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Last modified by Admin on 2025/03/18 12:51
From version 56.1
edited by Admin
on 2025/02/20 13:10
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To version 29.1
edited by Admin
on 2024/12/04 15:36
Change comment: There is no comment for this version

Summary

Details

Page properties
Parent
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1 -Battery management systems.BMS Main 3.WebHome
1 +drafts.bms-main-3.WebHome
Content
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1 -(% data-numbered-headings-start="2" style="--numbered-headings-start: 1;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
2 -= Installation and connection =
3 -
1 +(% data-numbered-headings-start="1" style="--numbered-headings-start: 1;font-size: 0px;color: rgba(0, 0, 0, 0.0)" %)
2 += =
4 4  == Installation procedure ==
5 5  
6 -The mounting location of the BMS Main 3 / BMS Main 3X device must be protected from mechanical particles (dust, dirt, large objects) and water. The installation location must provide easy access for subsequent connection to the device connectors.
5 +The mounting location of the BMS Main 3.0 device must be protected from mechanical particles (dust, dirt, large objects) and water. The installation location must provide easy access for subsequent connection to the device connectors.
7 7  
8 8  Overall and mounting dimensions are shown in figure below.
9 9  
... ... @@ -14,9 +14,9 @@
14 14  |Mounting dimensions (length × width), mm|194 × 114
15 15  |Mounting holes|M3
16 16  
17 -== Headers ==
16 +== 2.2 Headers ==
18 18  
19 -The location and designation of connectors on the BMS Main 3 / BMS Main 3X device are shown below.
18 +The location and designation of connectors on the BMS Main 3.0 device are shown below.
20 20  
21 21  (% contenteditable="false" tabindex="-1" %)
22 22  (((
... ... @@ -29,10 +29,8 @@
29 29  All headers are shown from the device side!
30 30  )))
31 31  
32 -=== X1 – header to power the device ===
31 +=== 2.2.1 X1 – header to power the device ===
33 33  
34 -Receptacle Housing: Hirose ZE05-8DS-HU/R. Terminals: Hirose ZE05-2022SCF
35 -
36 36  (% class="wikigeneratedid" id="H" %)
37 37  (% data-widget="image" contenteditable="false" tabindex="-1" %)[[image:1732121673277-246.png||data-xwiki-image-style-alignment="center" height="85" width="200"]]
38 38  
... ... @@ -46,10 +46,8 @@
46 46  
47 47  (% aria-label="1732120054870-496.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732120054870-496.png||data-xwiki-image-style-alignment="center" height="169" width="327"]]
48 48  
49 -=== X2 – header for contactors ===
46 +=== (% title="Click and drag to resize" %)​(%%)2.2.2 X2 – header for contactors ===
50 50  
51 -Receptacle Housing: Hirose ZE05-12DS-HU/R. Terminals: Hirose ZE05-2022SCF
52 -
53 53  (% aria-label="1732121695049-411.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121695049-411.png||data-xwiki-image-style-alignment="center" height="87" width="267"]](% title="Click and drag to resize" %)​
54 54  
55 55  |**Pin**|**Name**|**Description**
... ... @@ -65,20 +65,18 @@
65 65  
66 66  (% aria-label="1732121755886-234.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121755886-234.png||data-xwiki-image-style-alignment="center" height="82" width="260"]]
67 67  
68 -=== (% title="Click and drag to resize" %)​(%%)X3 – header for discrete inputs and outputs ===
63 +=== (% title="Click and drag to resize" %)​(%%)2.2.3 X3 – header for discrete inputs and outputs ===
69 69  
70 -Receptacle Housing: Hirose ZE05-24DS-HU/R. Terminals: Hirose ZE05-2022SCF
71 -
72 72  (% aria-label="1732121811285-182.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121811285-182.png||data-xwiki-image-style-alignment="center" height="94" width="531"]]
73 73  
74 74  |**Pin**|**Name**|**Description**
75 75  |**1–8, 12, 16–17, 21**|**DIO_GND**|Ground of input and output signals
76 -|**9**|**DIN1_SIGNAL**|Discrete input 1 “dry contact”
77 -|**10**|**DIN2_SIGNAL**|Discrete input 2 “dry contact”
78 -|**11**|**DIN3_SIGNAL**|Discrete input 3 “dry contact”
79 -|**13**|**DIN4_SIGNAL**|Discrete input 4 “dry contact”
80 -|**14**|**DIN5_SIGNAL**|Discrete input 5 “dry contact”
81 -|**15**|**DIN6_SIGNAL**|Discrete input 6 “dry contact”
69 +|**9**|**DIN1_SIGNAL**|Discrete input 1 “dry contact” (+5 V)
70 +|**10**|**DIN2_SIGNAL**|Discrete input 2 “dry contact” (+5 V)
71 +|**11**|**DIN3_SIGNAL**|Discrete input 3 “dry contact” (+5 V)
72 +|**13**|**DIN4_SIGNAL**|Discrete input 4 “dry contact” (+5 V)
73 +|**14**|**DIN5_SIGNAL**|Discrete input 5 “dry contact” (+5 V)
74 +|**15**|**DIN6_SIGNAL**|Discrete input 6 “dry contact” (+5 V)
82 82  |**18**|**DIN7_VIN**|Discrete input 7 (signal detection with voltage 9-32V)
83 83  |**19**|**DIN8_VIN**|Discrete input 8 (signal detection with voltage 9-32V)
84 84  |**20**|**DOUT1_OD**|Discrete output 1 “open drain” (60 V, 1A)
... ... @@ -94,14 +94,10 @@
94 94  
95 95  (% aria-label="1732121926812-202.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121926812-202.png||data-xwiki-image-style-alignment="center" height="76" width="242"]](% title="Click and drag to resize" %)​(%%)Connection diagram for discrete output:
96 96  
97 -[[image:1739361269041-663.png||data-xwiki-image-style-alignment="center" height="93" width="275"]]
90 + (% aria-label="1732121942791-517.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121942791-517.png||data-xwiki-image-style-alignment="center" height="90" width="269"]](% title="Click and drag to resize" %)​(% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)2.2.4 X4 – header for HVIL
98 98  
99 -=== X4 – header for HVIL ===
92 +(% aria-label="1732122015188-642.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732122015188-642.png||data-xwiki-image-style-alignment="center" height="64" width="150"]](% title="Click and drag to resize" %)​
100 100  
101 -Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
102 -
103 -[[image:1732122015188-642.png||data-xwiki-image-style-alignment="center" height="64" width="150"]]
104 -
105 105  |**Pin**|**Name**|**Description**
106 106  |**1**|**-**|Not used
107 107  |**2**|**HVIL_OUT**|Output of the current measurement circuit in the current loop (lower potential, measuring shunt output)
... ... @@ -108,18 +108,14 @@
108 108  |**3**|**HVIL_IN**|Input of the current measurement circuit in the current loop (higher potential, measuring shunt input)
109 109  |**4**|**HVIL_PWR**|Current loop power supply (max 5V, 25mA)
110 110  
111 - If the BMS Main 3 / BMS Main 3X device generates current in a current loop, the current loop must be connected to the **HVIL_PWR** and **HVIL_IN** pins. If BMS Main 3 / BMS Main 3X is a passive current loop meter, then the current loop must be connected to the **HVIL_IN** and **HVIL_OUT** pins.
100 + If the BMS Main 3 device generates current in a current loop, the current loop must be connected to the **HVIL_PWR** and **HVIL_IN** pins. If BMS Main 3 is a passive current loop meter, then the current loop must be connected to the **HVIL_IN** and **HVIL_OUT** pins.
112 112  
113 113  Connection diagram to the current loop:
114 114  
115 -[[image:1739361367866-742.png||data-xwiki-image-style-alignment="center" height="210" width="281"]]
104 +(% aria-label="1732122067418-263.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732122067418-263.png||data-xwiki-image-style-alignment="center" height="264" width="356"]](% title="Click and drag to resize" %)​(% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)2.2.5 X5 – header for current and temperature sensors
116 116  
117 -=== X5 – header for current and temperature sensors ===
106 +(% aria-label="image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1733311958053-469.png||data-xwiki-image-style-alignment="center" height="83" width="349"]](% title="Click and drag to resize" %)​
118 118  
119 -Receptacle Housing: Hirose ZE05-16DS-HU/R. Terminals: Hirose ZE05-2022SCF
120 -
121 -[[image:1733311958053-469.png||data-xwiki-image-style-alignment="center" height="83" width="349"]]
122 -
123 123  (% style="width:539px" %)
124 124  |**Pin**|**Name**|(% style="width:402px" %)**Description**
125 125  |**1**|**CS1_5V**|(% style="width:402px" %)Current sensor 1 power line (5 V, max 50 mA)
... ... @@ -147,10 +147,8 @@
147 147  
148 148  [[image:1733316189878-329.png||data-xwiki-image-style-alignment="center" height="130" width="260"]]
149 149  
150 -=== X6 – header for CAN1 and RS-485-1 (external buses) ===
135 +=== 2.2.6 X6 – header for CAN1 and RS-485-1 (external buses) ===
151 151  
152 -Receptacle Housing: Hirose ZE05-5S-HU/R. Terminals: Hirose ZE05-2022SCF
153 -
154 154  [[image:1733316218666-814.png||data-xwiki-image-style-alignment="center" height="55" width="162"]]
155 155  
156 156  |**Pin**|**Name**|**Description**
... ... @@ -168,15 +168,13 @@
168 168  
169 169  [[image:1733316483336-290.png||data-xwiki-image-style-alignment="center" height="152" width="417"]]
170 170  
171 -=== X7 – header for CAN2 (internal bus) ===
154 +=== 2.2.7 X7 – header for CAN2 (internal bus) ===
172 172  
173 -Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
174 -
175 175  [[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
176 176  
177 177  |**Pin**|**Name**|**Description**
178 -|**1**|**CAN2_H**|CAN2 line H for communication with other BMS devices
179 -|**2**|**CAN2_L**|CAN2 line L for communication with other BMS devices
159 +|**1**|**CAN2_H**|CAN2 line H for communication with BMS devices
160 +|**2**|**CAN2_L**|CAN2 line L for communication with BMS devices
180 180  |**3**|**GND**|Ground
181 181  |**4**|**CAN2_5V**|CAN2 power line (5 V, max 400 mA)
182 182  
... ... @@ -184,33 +184,27 @@
184 184  
185 185  [[image:1733316563149-458.png||data-xwiki-image-style-alignment="center" height="158" width="392"]]
186 186  
187 -=== X8 – header for CAN3 ===
168 +=== 2.2.8 X8 – header for CAN3 ===
188 188  
189 -Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
190 -
191 191  [[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
192 192  
193 193  |**Pin**|**Name**|**Description**
194 -|**1**|**CAN3_H**|CAN3 line H
195 -|**2**|**CAN3_L**|CAN3 line L
173 +|**1**|**CAN3_H**|CAN3 line H for communication with battery modules (for BMS Main 3X)
174 +|**2**|**CAN3_L**|CAN3 line L for communication with battery modules (for BMS Main 3X)
196 196  |**3**|**GND**|Ground
197 197  |**4**|**CAN3_5V**|CAN3 power line (5 V, max 400 mA)
198 198  
199 199  (% class="box infomessage" %)
200 200  (((
201 -**Note:**
202 -CAN3 operates differently depending on used firmware:
203 -
204 -* **BMS Main 3:** CAN3 bus is reserved;
205 -* **BMS Main 3X:** CAN3 bus is used to connect with BMS Main 3 inside parallel strings. Diagram for connecting battery modules to the CAN3 bus:
206 -
207 -[[image:1733316622613-181.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="417"]]
180 +If the BMS Main 3 device acts as a controller for a battery system consisting of several battery modules connected in parallel, then the parallel battery BMS must be connected to the CAN3 bus.
208 208  )))
209 209  
210 -=== X9 – header for BMS Logic (RS-485-2) ===
183 +Diagram for connecting battery modules to the CAN3 bus:
211 211  
212 -Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
185 +[[image:1733316622613-181.png||data-xwiki-image-style-alignment="center" height="153" width="417"]]
213 213  
187 +=== 2.2.9 X9 – header for BMS Logic (RS-485-2) ===
188 +
214 214  [[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
215 215  
216 216  |**Pin**|**Name**|**Description**
... ... @@ -219,25 +219,16 @@
219 219  |**3**|**GND**|Ground
220 220  |**4**|**LOGIC_5V**|BMS Logic power line (+5V, max 400mA)
221 221  
222 -(% class="box infomessage" %)
223 -(((
224 -**Note:**
225 -RS-485-2 operates differently depending on used firmware:
197 +Connection diagram for BMS Logic devices:
226 226  
227 -* **BMS Main 3X:** RS-485-2 bus is reserved;
228 -* **BMS Main 3:** RS-485-2 bus is used to connect with BMS Logics in a battery pack. Connection diagram for BMS Logic devices:
199 +[[image:1733316674363-604.png||data-xwiki-image-style-alignment="center" height="163" width="400"]]
229 229  
230 -[[image:1733316674363-604.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="163" width="400"]]
231 -)))
201 +=== 2.2.10 X10 – miniUSB connector ===
232 232  
233 -=== X10 – miniUSB connector ===
203 +The miniUSB connector is used to configure the parameters of the BMS Main 3.0 device.
234 234  
235 -The miniUSB connector is used to configure the parameters of the BMS Main 3 / BMS Main 3X device.
205 +=== 2.2.11 X11 – header for high-voltage bus before contactors (plus) ===
236 236  
237 -=== X11 – header for high-voltage bus before contactors (plus) ===
238 -
239 -Receptacle Housing: Molex 436450200. Terminals: Molex 43030
240 -
241 241  [[image:1733316780753-798.png||data-xwiki-image-style-alignment="center" height="60" width="91"]]
242 242  
243 243  |**Pin**|**Name**|**Description**
... ... @@ -249,10 +249,8 @@
249 249  The connected voltage must not exceed 1000V.
250 250  )))
251 251  
252 -=== X12 – header for high-voltage bus before contactors (minus) ===
218 +=== 2.2.12 X12 – header for high-voltage bus before contactors (minus) ===
253 253  
254 -Receptacle Housing: Molex 436450200. Terminals: Molex 43030
255 -
256 256  [[image:1733316843397-336.png||data-xwiki-image-style-alignment="center" height="53" width="79"]]
257 257  
258 258  |**Pin**|**Name**|**Description**
... ... @@ -264,10 +264,8 @@
264 264  The connected voltage must not exceed 1000V.
265 265  )))
266 266  
267 -=== X13 – header for high-voltage bus after contactors (plus) ===
231 +=== 2.2.13 X13 – header for high-voltage bus after contactors (plus) ===
268 268  
269 -Receptacle Housing: Molex 436450200. Terminals: Molex 43030
270 -
271 271  [[image:1733316780753-798.png||data-xwiki-image-style-alignment="center" height="60" width="91"]]
272 272  
273 273  |**Pin**|**Name**|**Description**
... ... @@ -279,10 +279,8 @@
279 279  The connected voltage must not exceed 1000V.
280 280  )))
281 281  
282 -=== X14 – header for high-voltage bus after contactors (minus) ===
244 +=== 2.2.14  X14 – header for high-voltage bus after contactors (minus) ===
283 283  
284 -Receptacle Housing: Molex 436450200. Terminals: Molex 43030
285 -
286 286  [[image:1733316843397-336.png||data-xwiki-image-style-alignment="center" height="53" width="79"]]
287 287  
288 288  |**Pin**|**Name**|**Description**
... ... @@ -294,7 +294,7 @@
294 294  The connected voltage must not exceed 1000V.
295 295  )))
296 296  
297 -=== J1 – jumper for switching RS-485-1 bus terminal resistor ===
257 +=== 2.2.15 J1 – jumper for switching RS-485-1 bus terminal resistor ===
298 298  
299 299  [[image:1733316982359-759.png||data-xwiki-image-style-alignment="center" height="77" width="148"]]
300 300  
... ... @@ -304,7 +304,7 @@
304 304  |**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the RS-485-1 bus is connected
305 305  |**2-3**|**-**|The 120 Ohm terminal resistor of the RS-485-1 bus is disconnected
306 306  
307 -=== J2 – jumper for switching CAN1 bus terminal resistor ===
267 +=== 2.2.16 J2 – jumper for switching CAN1 bus terminal resistor ===
308 308  
309 309  
310 310  [[image:1733316982359-759.png||data-xwiki-image-style-alignment="center" height="77" width="148"]]To connect a terminal resistor between the **CAN1_H** and **CAN1_L** lines, install a jumper. The jumper is installed according to the table:
... ... @@ -313,7 +313,7 @@
313 313  |**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the CAN1 bus is connected
314 314  |**2-3**|**-**|The 120 Ohm terminal resistor of the CAN1 bus is disconnected
315 315  
316 -=== J3 – jumper for switching CAN2 bus terminal resistor ===
276 +=== 2.2.17 J3 – jumper for switching CAN2 bus terminal resistor ===
317 317  
318 318  
319 319  [[image:1733316982359-759.png||data-xwiki-image-style-alignment="center" height="77" width="148"]]To connect a terminal resistor between the **CAN2_H** and **CAN2_L** lines, install a jumper. The jumper is installed according to the table:
... ... @@ -322,62 +322,53 @@
322 322  |**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the CAN2 bus is connected
323 323  |**2-3**|**-**|The 120 Ohm terminal resistor of the CAN2 bus is disconnected
324 324  
325 -=== J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
285 +=== 2.2.18 J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
326 326  
327 -The BMS Main 3 / BMS Main 3X device implements a circuit for hardware opening of power contactors when the discrete input signal DIN7 and/or DIN8 (voltage level 9-32V) is removed. To enable this function, jumper J5 and/or J6 must be installed.
287 +The BMS Main 3 device implements a circuit for hardware opening of power contactors when the discrete input signal DIN7 and/or DIN8 (voltage level 9-32V) is removed. To enable this function, jumper J5 and/or J6 must be installed.
328 328  
329 -== Indicators ==
289 +== 2.3 Indicators ==
330 330  
331 -=== DS1 – LED indicating device power ===
291 +=== 2.3.1 DS1 – LED indicating device power ===
332 332  
333 333  |**State**|**Description**
334 334  |**Lights up green**|Device power (+5V) is present
335 335  |**Doesn’t light up**|No device power
336 336  
337 -=== DS2 – LED indicating device work ===
297 +=== 2.3.2 DS2 – LED indicating device work ===
338 338  
339 339  |**State**|**Description**
340 340  |**Blinking green**|Executing the battery management program
341 341  |**No blinking**|Program execution error
342 342  
343 -=== DS3 – LED indicating interaction with child devices ===
303 +=== 2.3.3 DS3 – LED indicating interaction with BMS Logic ===
344 344  
345 -(% style="width:447px" %)
346 -|**State**|(% style="width:166px" %)**Description (Main 3)**|(% style="width:168px" %)**Description (Main 3X)**
347 -|**Blinking yellow**|(% style="width:166px" %)The device interacts with BMS Logic devices|(% style="width:168px" %)The device interacts with BMS Main 3 devices
348 -|**No blinking**|(% style="width:166px" %)-|(% style="width:168px" %)-
305 +|**State**|**Description**
306 +|**Blinking yellow**|The device interacts with BMS Logic devices
307 +|**No blinking**|-
349 349  
350 -=== DS4 – LED indicating loss of connection with child devices ===
309 +=== 2.3.4 DS4 – LED indicating loss of connection with BMS Logic ===
351 351  
352 -(% style="width:601px" %)
353 -|**State**|(% style="width:220px" %)**Description (Main 3)**|(% style="width:218px" %)**Description (Main 3X)**
354 -|**Blinking/lights up red**|(% style="width:220px" %)Communication with one or more BMS Logic devices is lost|(% style="width:218px" %)Communication with one or more BMS Main 3 devices is lost
355 -|**No blinking**|(% style="width:220px" %)Communication with BMS Logic devices is stable|(% style="width:218px" %)Communication with BMS Main 3 devices is stable
311 +|**State**|**Description**
312 +|**Blinking/lights up red**|Communication with one or more BMS Logic devices is lost
313 +|**No blinking**|Communication with BMS Logic is stable
356 356  
357 -=== DS5-DS10 – LEDs indicating contactor switches 1-6 ===
315 +=== 2.3.5 DS5-DS10 – LEDs indicating contactor switches 1-6 ===
358 358  
359 359  |**State**|**Description**
360 360  |**Lights up green**|The switch supplies voltage to the contactor winding
361 361  |**Doesn’t light up**|The switch doesn’t supply voltage to the contactor winding
362 362  
363 -=== DS11 – LED indicating the presence of power supply for contactors ===
321 +=== 2.3.6 DS11 – LED indicating the presence of power supply for contactors ===
364 364  
365 365  |**State**|**Description**
366 366  |**Lights up green**|Power supply for contactor switches (9-32V) is present
367 367  |**Doesn’t light up**|Power supply for contactor switches (9-32V) is not present
368 368  
369 -== Connection procedure ==
327 +== 2.4 Connection procedure ==
370 370  
371 -The BMS can connect to batteries with voltage levels dangerous to life and health. When working with high voltage batteries, follow electrical safety rules, use safety glasses, protective clothing, insulated tools and devices.
372 -
373 -(% class="box errormessage" %)
374 -(((
375 -**The system is not designed to operate with batteries with total voltage more than 3000V.**
376 -)))
377 -
378 378  (% class="box warningmessage" %)
379 379  (((
380 -Before connection, configure the device (see [[Settings>>doc:Battery management systems.BMS Main 3.3\. Configuration.WebHome]]). Correct operation of the BMS system is only possible with correct configuration.
331 +Before connection, configure the device (see ). Correct operation of the BMS system is only possible with correct configuration.
381 381  )))
382 382  
383 383  All operations to connect the device must be carried out with the supply voltage removed.
... ... @@ -390,5 +390,5 @@
390 390  * Connect the high-voltage network integrity circuit (if necessary) to header X4.
391 391  * Connect external devices (if necessary) to header X6.
392 392  * Connect other devices (BMS Indication, BMS Display, if necessary) to header X7.
393 -* If the BMS Main 3 / BMS Main 3X is the last device on the RS-485-1, CAN1, or CAN2 bus, install jumpers J1-J3.
344 +* If the BMS Main 3.0 is the last device on the RS-485-1, CAN1, or CAN2 bus, install jumpers J1-J3.
394 394  * Connect an external power supply to header X1. The device will start when there is a 9-32V power supply and one of the KEYRUN or CHARGE_ON signals with a voltage of more than 8.5V is supplied.
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