Changes for page 2. Installation and connection
Last modified by Admin on 2025/07/15 17:33
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... ... @@ -1,1 +1,1 @@ 1 - xwiki:drafts.bms-main-2.WebHome1 +Battery management systems.BMS Main 2\.1.WebHome - Content
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... ... @@ -1,17 +1,18 @@ 1 -== 2.1 Installation procedure == 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 = 2 2 3 - Overallnd mounting dimensionsof the BMS Main 2.1 are shown in Figure29.4 +== Installation procedure == 4 4 5 - [[Dimensions of the BMS Main 2.1>>image:1732198397369-222.png||data-xwiki-image-style-alignment="center"height="393"width="556"]]6 +Overall and mounting dimensions of the BMS Main 2.1 are shown below. 6 6 8 +[[image:1732198397369-222.png||data-xwiki-image-style-alignment="center" height="393" width="556"]] 9 + 7 7 |**Parameter**|**Value** 8 -|((( 9 -Overall dimensions (length × width × height), mm 10 -)))|120 × 120 × 32 11 +|Overall dimensions (length × width × height), mm|120 × 120 × 32 11 11 |Mounting dimensions (length × width), mm|114 × 114 12 12 |Mounting holes|M3 13 13 14 -== 2.2Connection procedure ==15 +== Connection procedure == 15 15 16 16 The mounting area of the BMS Main 2.1 must be protected from mechanical particles (dust, dirt, large objects) and water. The installation site must provide convenient access for subsequent connection to the device’s headers. 17 17 ... ... @@ -20,214 +20,199 @@ 20 20 1. Connect the BMS Main 2.1 to the on-board CAN network. Observe the rules for connecting CAN devices. If the BMS Main 2.1 is the last device on a bus, close pins 1-2 on the P21 jumper, otherwise leave the jumper on pins 2-3. 21 21 1. Connect a power supply to the P1 header. It is not recommended to power the BMS Main 2.1 from the battery only, since at a critical discharge of the battery, it is not possible to turn on the BMS and close the charging contactor. 22 22 23 -== 2.3Headers description ==24 +== Headers description == 24 24 25 25 The BMS Main 2.1 headers are shown in figure below. 26 26 27 -[[ The BMS Main 2.1 headers>>image:1731516393377-928.jpeg||alt="1731517946345-632.png" data-xwiki-image-style-alignment="center" height="417" width="451"]]28 +[[image:1731516393377-928.jpeg||alt="1731517946345-632.png" data-xwiki-image-style-alignment="center" height="417" width="451"]] 28 28 29 -(% class="wikigeneratedid" %) 30 -Following chapters describes the BMS Main 2.1 headers pinout. 30 +(% class="box warningmessage" %) 31 +((( 32 +**Attention!** 33 +All headers are shown from the device side! 34 +))) 31 31 32 -=== 2.3.1P1 – header for power supply ===36 +=== P1 – header for power supply === 33 33 34 -[[image:1732198827034-560.png||height="78" width="41"]] 38 +[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]] 35 35 36 -(% style="width:339px" %) 37 -|(% style="width:71px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:174px" %)**Description** 38 -|(% style="width:71px" %)**1**|(% style="width:91px" %)**GND**|(% style="width:174px" %)Ground 39 -|(% style="width:71px" %)**2**|(% style="width:91px" %)**V+**|(% style="width:174px" %)Supply voltage 9-30V 40 +|**Pin**|**Name**|**Description** 41 +|**1**|**GND**|Ground 42 +|**2**|**V+**|Supply voltage 9-30V 40 40 41 -=== 2.3.2P15 – header for BMS Logic ===44 +=== P15 – header for BMS Logic === 42 42 43 -[[image:17321988 49079-697.png||height="77" width="71"]]46 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]] 44 44 45 -(% style="width:524px" %) 46 -|(% style="width:69px" %)**Pin**|(% style="width:97px" %)**Name**|(% style="width:355px" %)**Description** 47 -|(% style="width:69px" %)**1**|(% style="width:97px" %)**RS485_A**|(% style="width:355px" %)RS-485 line A for communication with BMS Logic 48 -|(% style="width:69px" %)**2**|(% style="width:97px" %)**RS485_B**|(% style="width:355px" %)RS-485 line B for communication with BMS Logic 49 -|(% style="width:69px" %)**3**|(% style="width:97px" %)**+5V**|(% style="width:355px" %)Supply voltage for BMS Logic 50 -|(% style="width:69px" %)**4**|(% style="width:97px" %)**GND**|(% style="width:355px" %)Ground 48 +|**Pin**|**Name**|**Description** 49 +|**1**|**RS485_A**|RS-485 line A for communication with BMS Logic 50 +|**2**|**RS485_B**|RS-485 line B for communication with BMS Logic 51 +|**3**|**+5V**|Supply voltage for BMS Logic 52 +|**4**|**GND**|Ground 51 51 52 -=== 2.3.3P12 – header for current sensor ===54 +=== P12 – header for current sensor === 53 53 54 -[[image:1732198890482-787.png||height="77" width="71"]] 56 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]] 55 55 56 -(% style="width:531px" %) 57 -|(% style="width:75px" %)**Pin**|(% style="width:93px" %)**Name**|(% style="width:360px" %)**Description** 58 -|(% style="width:75px" %)**1**|(% style="width:93px" %)**+5V**|(% style="width:360px" %)Supply voltage for the current sensor 5V, max 50 mA 59 -|(% style="width:75px" %)**2**|(% style="width:93px" %)**GND**|(% style="width:360px" %)Ground 60 -|(% style="width:75px" %)**3**|(% style="width:93px" %)**Vcs**|(% style="width:360px" %)ADC input (current sensor output) 61 -|(% style="width:75px" %)**4**|(% style="width:93px" %)**Vref**|(% style="width:360px" %)ADC input (current sensor reference signal) 58 +|**Pin**|**Name**|**Description** 59 +|**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA 60 +|**2**|**GND**|Ground 61 +|**3**|**Vcs**|ADC input (current sensor output) 62 +|**4**|**Vref**|ADC input (current sensor reference signal) 62 62 63 -=== 2.3.4P13 – header for humidity sensor ===64 +=== P13 – header for humidity sensor === 64 64 65 -[[image:1732198896526-660.png||height="70" width="64"]] 66 +[[image:1732198896526-660.png||data-xwiki-image-style-alignment="center" height="70" width="64"]] 66 66 67 -(% style="width:531px" %) 68 -|(% style="width:77px" %)**Pin**|(% style="width:92px" %)**Name**|(% style="width:359px" %)**Description** 69 -|(% style="width:77px" %)**1**|(% style="width:92px" %)**+5V**|(% style="width:359px" %)Supply voltage 5 V, max 50 mA 70 -|(% style="width:77px" %)**2**|(% style="width:92px" %)**GND**|(% style="width:359px" %)Ground 71 -|(% style="width:77px" %)**3**|(% style="width:92px" %)**Vhs**|(% style="width:359px" %)ADC input (humidity sensor output) 72 -|(% style="width:77px" %)**4**|(% style="width:92px" %)**Vts**|(% style="width:359px" %)ADC input (temperature sensor output) 68 +|**Pin**|**Name**|**Description** 69 +|**1**|**+5V**|Supply voltage 5 V, max 50 mA 70 +|**2**|**GND**|Ground 71 +|**3**|**Vhs**|ADC input (humidity sensor output) 72 +|**4**|**Vts**|ADC input (temperature sensor output) 73 73 74 -=== 2.3.5P8 – header of relay 1 ===74 +=== P8 – header of relay 1 === 75 75 76 -[[image:1732198827034-560.png||height="78" width="41"]] 76 +[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]] 77 77 78 78 By default, relay 1 is used to control the discharging contactor. 79 79 80 -(% style="width:527px" %) 81 -|(% style="width:82px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:351px" %)**Description** 82 -|(% style="width:82px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:351px" %)Switching voltage (up to 55V, max 2A) 83 -|(% style="width:82px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:351px" %)Normally open contact 80 +|**Pin**|**Name**|**Description** 81 +|**1**|**V+**|Switching voltage (up to 55V, max 2A) 82 +|**2**|**NO**|Normally open contact 84 84 85 -=== 2.3.6P9 – header of relay 2 ===84 +=== P9 – header of relay 2 === 86 86 87 -[[image:1732198827034-560.png||height="78" width="41"]] 86 +[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]] 88 88 89 89 By default, relay 2 is used to output the “Allow charging” signal. 90 90 91 -(% style="width:524px" %) 92 -|(% style="width:89px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:341px" %)**Description** 93 -|(% style="width:89px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:341px" %)Switching voltage (up to 55V, max 2A) 94 -|(% style="width:89px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:341px" %)Normally open contact 90 +|**Pin**|**Name**|**Description** 91 +|**1**|**V+**|Switching voltage (up to 55V, max 2A) 92 +|**2**|**NO**|Normally open contact 95 95 96 -=== 2.3.7P6 – header of relay 3 ===94 +=== P6 – header of relay 3 === 97 97 98 -[[image:1732198827034-560.png||height="78" width="41"]] 96 +[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]] 99 99 100 100 By default, relay 3 is used to control the charging contactor. 101 101 102 -(% style="width:524px" %) 103 -|(% style="width:101px" %)**Pin**|(% style="width:88px" %)**Name**|(% style="width:332px" %)**Description** 104 -|(% style="width:101px" %)**1**|(% style="width:88px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A) 105 -|(% style="width:101px" %)**2**|(% style="width:88px" %)**NO**|(% style="width:332px" %)Normally open contact 100 +|**Pin**|**Name**|**Description** 101 +|**1**|**V+**|Switching voltage (up to 55V, max 8A) 102 +|**2**|**NO**|Normally open contact 106 106 107 -=== 2.3.8P7 – header of relay 4 ===104 +=== P7 – header of relay 4 === 108 108 109 -[[image:1732198827034-560.png||height="78" width="41"]] 106 +[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]] 110 110 111 111 By default, relay 4 is used to control the heater. 112 112 113 -(% style="width:530px" %) 114 -|(% style="width:102px" %)**Pin**|(% style="width:93px" %)**Name**|(% style="width:332px" %)**Description** 115 -|(% style="width:102px" %)**1**|(% style="width:93px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A) 116 -|(% style="width:102px" %)**2**|(% style="width:93px" %)**NO**|(% style="width:332px" %)Normally open contact 110 +|**Pin**|**Name**|**Description** 111 +|**1**|**V+**|Switching voltage (up to 55V, max 8A) 112 +|**2**|**NO**|Normally open contact 117 117 118 -=== 2.3.9P14 – header for CAN and RS-485 interfaces ===114 +=== P14 – header for CAN and RS-485 interfaces === 119 119 120 -[[image:1731517180930-597.png||height="81" width="113"]] 116 +[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center" height="81" width="113"]] 121 121 122 122 (% style="width:641px" %) 123 -| (% style="width:107px" %)**Pin**|(% style="width:127px" %)**Name**|(% style="width:404px" %)**Description**124 -| (% style="width:107px" %)**1**|(% style="width:127px" %)**EXT_RS485_A**|(% style="width:404px" %)RS-485 line A for communication with external equipment125 -| (% style="width:107px" %)**2**|(% style="width:127px" %)**CAN_H**|(% style="width:404px" %)CAN H line for communication with external equipment126 -| (% style="width:107px" %)**3**|(% style="width:127px" %)**+5V_CAN**|(% style="width:404px" %)Supply voltage 5V for external devices, max 200 mA127 -| (% style="width:107px" %)**4**|(% style="width:127px" %)**EXT_RS485_B**|(% style="width:404px" %)RS-485 line B for communication with external equipment128 -| (% style="width:107px" %)**5**|(% style="width:127px" %)**CAN_L**|(% style="width:404px" %)CAN L line for communication with external equipment129 -| (% style="width:107px" %)**6**|(% style="width:127px" %)**GND_CAN**|(% style="width:404px" %)Ground119 +|**Pin**|**Name**|**Description** 120 +|**1**|**EXT_RS485_A**|RS-485 line A for communication with external equipment 121 +|**2**|**CAN_H**|CAN H line for communication with external equipment 122 +|**3**|**+5V_CAN**|Supply voltage 5V for external devices, max 200 mA 123 +|**4**|**EXT_RS485_B**|RS-485 line B for communication with external equipment 124 +|**5**|**CAN_L**|CAN L line for communication with external equipment 125 +|**6**|**GND_CAN**|Ground 130 130 131 -=== 2.3.10P21 – CAN termination resistor jumper ===127 +=== P21 – CAN termination resistor jumper === 132 132 133 -[[image:1731517188900-976.png||height="78" width="149"]] 129 +[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center" height="78" width="149"]] 134 134 135 135 To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout: 136 136 137 -(% style="width:643px" %) 138 -|**Pin**|(% style="width:122px" %)**Name**|(% style="width:400px" %)**Description** 139 -|**1-2**|(% style="width:122px" %)**120 Ohm**|(% style="width:400px" %)Termination resistor 120 Ohm is connected 140 -|**2-3**|(% style="width:122px" %)**-**|(% style="width:400px" %)Termination resistor 120 Ohm is not connected 133 +|**Pin**|**Name**|**Description** 134 +|**1-2**|**120 Ohm**|Termination resistor 120 Ohm is connected 135 +|**2-3**|**-**|Termination resistor 120 Ohm is not connected 141 141 142 -=== 2.3.11P22 - RS-485 termination resistor jumper ===137 +=== P22 - RS-485 termination resistor jumper === 143 143 144 -[[image:1731517195672-298.png||height="81" width="155"]] 139 +[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center" height="81" width="155"]] 145 145 146 146 To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout: 147 147 148 -(% style="width:644px" %) 149 -|**Pin**|(% style="width:121px" %)**Name**|(% style="width:402px" %)**Description** 150 -|**1-2**|(% style="width:121px" %)**120 Ohm**|(% style="width:402px" %)Terminating resistor 120 Ohm is connected 151 -|**2-3**|(% style="width:121px" %)**-**|(% style="width:402px" %)Terminating resistor 120 Ohm is not connected 143 +|**Pin**|**Name**|**Description** 144 +|**1-2**|**120 Ohm**|Terminating resistor 120 Ohm is connected 145 +|**2-3**|**-**|Terminating resistor 120 Ohm is not connected 152 152 153 -=== 2.3.12P11 – header for discrete inputs/outputs ===147 +=== P11 – header for discrete inputs/outputs === 154 154 155 -[[image:1732198937514-731.png||height="85" width="272"]] 149 +[[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]] 156 156 157 -(% style="width:584px" %) 158 -|(% style="width:98px" %)**Pin**|(% style="width:157px" %)**Name**|(% style="width:326px" %)**Description** 159 -|(% style="width:98px" %)**16**|(% style="width:157px" %)**IN_1**|(% style="width:326px" %)Discrete input #1 “dry contact” (+5V) 160 -|(% style="width:98px" %)**8**|(% style="width:157px" %)**GND_1**|(% style="width:326px" %)Discrete input #1 “dry contact” (ground) 161 -|(% style="width:98px" %)**15**|(% style="width:157px" %)**IN_2**|(% style="width:326px" %)Discrete input #2 “dry contact” (+5V) 162 -|(% style="width:98px" %)**7**|(% style="width:157px" %)**GND_2**|(% style="width:326px" %)Discrete input #2 “dry contact” (ground) 163 -|(% style="width:98px" %)**14**|(% style="width:157px" %)**IN_3**|(% style="width:326px" %)Discrete input #3 “dry contact” (+5V) 164 -|(% style="width:98px" %)**6**|(% style="width:157px" %)**GND_3**|(% style="width:326px" %)Discrete input #3 “dry contact” (ground) 165 -|(% style="width:98px" %)**13**|(% style="width:157px" %)**IN_4**|(% style="width:326px" %)Discrete input #4 “dry contact” (+5V) 166 -|(% style="width:98px" %)**5**|(% style="width:157px" %)**GND_4**|(% style="width:326px" %)Discrete input #4 “dry contact” (ground) 167 -|(% style="width:98px" %)**12**|(% style="width:157px" %)**OUT_4**|(% style="width:326px" %)Discrete output #4 (+5V, 20mA) 168 -|(% style="width:98px" %)**4**|(% style="width:157px" %)**GND_OUT_4**|(% style="width:326px" %)Discrete output #4 (ground) 169 -|(% style="width:98px" %)**11**|(% style="width:157px" %)**OUT_3**|(% style="width:326px" %)Discrete output #3 (+5V, 20mA) 170 -|(% style="width:98px" %)**3**|(% style="width:157px" %)**GND_OUT_3**|(% style="width:326px" %)Discrete output #3 (ground) 171 -|(% style="width:98px" %)**10**|(% style="width:157px" %)**OUT_2**|(% style="width:326px" %)Discrete output #2 (+5V, 20mA) 172 -|(% style="width:98px" %)**2**|(% style="width:157px" %)**GND_OUT_2**|(% style="width:326px" %)Discrete output #2 (ground) 173 -|(% style="width:98px" %)**9**|(% style="width:157px" %)**OUT_1**|(% style="width:326px" %)Discrete output #1 (+5V, 20mA) 174 -|(% style="width:98px" %)**1**|(% style="width:157px" %)**GND_OUT_1**|(% style="width:326px" %)Discrete output #1 (ground) 151 +|**Pin**|**Name**|**Description** 152 +|**16**|**IN_1**|Discrete input #1 “dry contact” (+5V) 153 +|**8**|**GND_1**|Discrete input #1 “dry contact” (ground) 154 +|**15**|**IN_2**|Discrete input #2 “dry contact” (+5V) 155 +|**7**|**GND_2**|Discrete input #2 “dry contact” (ground) 156 +|**14**|**IN_3**|Discrete input #3 “dry contact” (+5V) 157 +|**6**|**GND_3**|Discrete input #3 “dry contact” (ground) 158 +|**13**|**IN_4**|Discrete input #4 “dry contact” (+5V) 159 +|**5**|**GND_4**|Discrete input #4 “dry contact” (ground) 160 +|**12**|**OUT_4**|Discrete output #4 (+5V, 20mA) 161 +|**4**|**GND_OUT_4**|Discrete output #4 (ground) 162 +|**11**|**OUT_3**|Discrete output #3 (+5V, 20mA) 163 +|**3**|**GND_OUT_3**|Discrete output #3 (ground) 164 +|**10**|**OUT_2**|Discrete output #2 (+5V, 20mA) 165 +|**2**|**GND_OUT_2**|Discrete output #2 (ground) 166 +|**9**|**OUT_1**|Discrete output #1 (+5V, 20mA) 167 +|**1**|**GND_OUT_1**|Discrete output #1 (ground) 175 175 176 -= 2.4Indicators =169 +== Indicators == 177 177 178 -=== 2.4.1DS1 – power indicator ===171 +=== DS1 – power indicator === 179 179 180 -(% style="width:442px" %) 181 -|(% style="width:138px" %)**State**|(% style="width:301px" %)**Description** 182 -|(% style="width:138px" %)**Lights red**|(% style="width:301px" %)The device is powered 183 -|(% style="width:138px" %)**Off**|(% style="width:301px" %)The device is not powered 173 +|**State**|**Description** 174 +|**Lights red**|The device is powered 175 +|**Off**|The device is not powered 184 184 185 -=== 2.4.2DS2 – operation indicator ===177 +=== DS2 – operation indicator === 186 186 187 -(% style="width:442px" %) 188 -|(% style="width:137px" %)**State**|(% style="width:302px" %)**Description** 189 -|(% style="width:137px" %)**Blinking green**|(% style="width:302px" %)The BMS firmware is running 190 -|(% style="width:137px" %)**Off**|(% style="width:302px" %)The BMS firmware is not running 179 +|**State**|**Description** 180 +|**Blinking green**|The BMS firmware is running 181 +|**Off**|The BMS firmware is not running 191 191 192 -=== 2.4.3DS3 – communication indicator ===183 +=== DS3 – communication indicator === 193 193 194 -(% style="width:539px" %) 195 -|(% style="width:175px" %)**State**|(% style="width:361px" %)**Description** 196 -|(% style="width:175px" %)**Blinking yellow (2Hz)**|(% style="width:361px" %)Initializing communication with BMS Logic boards 197 -|(% style="width:175px" %)**Blinking yellow (25Hz)**|(% style="width:361px" %)Communication with BMS Logic is established 185 +|**State**|**Description** 186 +|**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards 187 +|**Blinking yellow (25Hz)**|Communication with BMS Logic is established 198 198 199 -=== 2.4.4DS4 – error indicator ===189 +=== DS4 – error indicator === 200 200 201 -(% style="width:539px" %) 202 -|(% style="width:176px" %)**State**|(% style="width:360px" %)**Description** 203 -|(% style="width:176px" %)**Blinking red**|(% style="width:360px" %)Errors in communication with BMS Logic 204 204 205 -=== 2.4.5 DS7 – relay 1 indicator === 192 +|(**State**|**Description** 193 +|(**Blinking red**|Errors in communication with BMS Logic 206 206 207 -(% style="width:541px" %) 208 -|(% style="width:179px" %)**State**|(% style="width:359px" %)**Description** 209 -|(% style="width:179px" %)**Lights green**|(% style="width:359px" %)Relay #1 is closed 210 -|(% style="width:179px" %)**Off**|(% style="width:359px" %)Relay #1 is opened 195 +=== DS7 – relay 1 indicator === 211 211 212 -=== 2.4.6 DS8 – relay 2 indicator === 197 +|**State**|**Description** 198 +|**Lights green**|Relay #1 is closed 199 +|**Off**|Relay #1 is opened 213 213 214 -(% style="width:542px" %) 215 -|(% style="width:180px" %)**State**|(% style="width:359px" %)**Description** 216 -|(% style="width:180px" %)**Lights green**|(% style="width:359px" %)Relay #2 is closed 217 -|(% style="width:180px" %)**Off**|(% style="width:359px" %)Relay #2 is opened 201 +=== DS8 – relay 2 indicator === 218 218 219 -=== 2.4.7 DS5 – relay 3 indicator === 203 +|**State**|**Description** 204 +|**Lights green**|Relay #2 is closed 205 +|**Off**|Relay #2 is opened 220 220 221 -(% style="width:542px" %) 222 -|(% style="width:183px" %)**State**|(% style="width:356px" %)**Description** 223 -|(% style="width:183px" %)**Lights green**|(% style="width:356px" %)Relay #3 is closed 224 -|(% style="width:183px" %)**Off**|(% style="width:356px" %)Relay #3 is opened 207 +=== DS5 – relay 3 indicator === 225 225 226 -=== 2.4.8 DS6 – relay 4 indicator === 209 +|**State**|**Description** 210 +|**Lights green**|Relay #3 is closed 211 +|**Off**|Relay #3 is opened 227 227 228 -(% style="width:542px" %) 229 -|(% style="width:187px" %)**State**|(% style="width:352px" %)**Description** 230 -|(% style="width:187px" %)**Lights green**|(% style="width:352px" %)Relay #4 is closed 231 -|(% style="width:187px" %)**Off**|(% style="width:352px" %)Relay #4 is opened 213 +=== DS6 – relay 4 indicator === 232 232 215 +|**State**|**Description** 216 +|**Lights green**|Relay #4 is closed 217 +|**Off**|Relay #4 is opened 218 + 233 233