Owner's manual

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Modbus Card Quick Guide V.2.5

Thank you for purchasing Modbus Card. This manual contains instructions and warnings that

should be followed during the installation, operating and storage of the card. Please keep this

manual for further reference.

Special Precautions

 If the card must be stored prior to installation; storage must be in a dry place

 The admissible storage temperature range is from -10ºC to +70ºC.

1. Product Overview

RS-485 port

Golden finger

Address switch

Communication setting

Resistance switch

2. Product Introduction

The Modbus card provides UPS and PV inverter systems with the functionality of communication

with PCs through MODBUS protocol:

 Implements MODBUS RTU protocol

 Provides MODBUS functions including read Holding Registers and write Registers.

 Provides RS485 interface

 Provides surge protection

Summary of content (10 pages)

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Modbus Card Quick Guide V.2.5 Thank you for purchasing Modbus Card. This manual contains instructions and warnings that should be followed during the installation, operating and storage of the card. Please keep this manual for further reference. Special Precautions  If the card must be stored prior to installation; storage must be in a dry place  The admissible storage temperature range is from -10ºC to +70ºC. 1.
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Modbus Card Quick Guide V.2.5 3. Installation and Operation Follow below steps to install and use this modbus card: 1. Configure Modbus ID (Refer to section 4.1 for the details) 2. Configure communication format (Refer to section 4.2 for the details) 3. Insert this modbus card into intelligent slot 4. Connect modbus card to computer with RJ45 cable, and it is not necessary to turn the UPS or PV inverter off. (Refer to section 4.5 for the details) 4. Configuration 4.
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Modbus Card Quick Guide V.2.5 4.3 RS-485 Resistance Configuration Function Push up resistance Push down resistance Terminate resistance Bit # #6 #7 #8 Setting ON OFF ON OFF ON OFF Meaning Enable (Default) Disable Enable (Default) Disable Enable (Default) Disable 4.4 Interface Configuration RS-485 Pin Configuration Pin Function 4 RS-485 - B 5 RS-485 - A 8 GND 4.
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Modbus Card Quick Guide V.2.5 Then, follow below diagram to connect personal computer: Using RS-485 to RS-232 converter Use RS-485 to Modbus/TCP converter 5. Multiple Monitoring One modbus card only can be used in one UPS at the same time. When each UPS installed with one modbus card, up to 31 UPSs can be monitored from one computer.
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Modbus Card Quick Guide V.2.
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Modbus Card Quick Guide 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × × × × × √ √ √ √ × × × × √ √ √ √ × × × × √ √ √ √ × × × × √ √ √ √ × × × × √ √ √ √ × × V.2.
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Modbus Card Quick Guide 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ √ √ × × × × √ √ √ √ × × × × √ √ √ √ × × × × √ √ √ √ × × × × √ √ √ √ × × × × V.2.
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Modbus Card Quick Guide 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ √ √ × × × × √ √ √ √ × × × × √ √ √ √ × × × × √ √ √ √ × × × × √ √ √ √ × × × × √ √ V.2.
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Modbus Card Quick Guide 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ √ √ × × × × √ √ √ √ × × × × √ √ √ √ × × × × √ √ √ √ × × × × √ √ √ √ × × × × √ √ √ √ V.2.
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Modbus Card Quick Guide 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × √ √ × × × × √ √ √ √ × × × × √ √ √ √ × × × × √ √ √ √ × × × × √ √ √ √ × × × × √ √ √ √ V.2.