I-7021/22/24, M-7022/24/28 User Manual, Rev: B2.3
4
2.35 ~AA0 ............................................................................ 121
2.36 ~AA1 ............................................................................ 123
2.37 ~AA2 ............................................................................ 125
2.38 ~AA3EVV .................................................................... 127
2.39 ~AA4 ............................................................................ 129
2.40 ~AA4 ............................................................................ 131
2.41 ~AA4N ......................................................................... 133
2.42 ~AA5 ............................................................................ 135
2.43 ~AA5N ......................................................................... 137
2.44 ~AA5PPSS ................................................................... 139
2.45 @AABB ....................................................................... 141
2.46 @AABBHH ................................................................. 143
2.47 @AACECN .................................................................. 145
2.48 @AADI ........................................................................ 147
2.49 @AADODD ................................................................. 149
2.50 @AARECN .................................................................. 151
3. Modbus RTU Protocol .......................................................................... 153
3.1 01 (0x01) Read Coils ..................................................... 154
3.2 02 (0x02) Read Discrete Inputs ..................................... 155
3.3 03 (0x03) Read Output Channels .................................. 156
3.4 04 (0x04) Read Input Channels ..................................... 157
3.5 05 (0x05) Write Single Coil ........................................... 158
3.6 06 (0x06) Write Single Register .................................... 159
3.7 15 (0x0F) Write Multiple Coils ..................................... 160
3.8 16 (0x10) Write Multiple Registers ............................... 161
3.9 M-7022 Address Mappings ........................................... 162
3.10 M-7024/M-7024L Address Mappings ......................... 164
3.11 M-7024R Address Mappings ....................................... 166
3.12 M-7024U Address Mappings....................................... 169
3.13 M-7028 Address Mappings ......................................... 173
4. Troubleshooting .................................................................................... 175
4.1 Communicating with the module ................................... 176
A. Appendix .............................................................................................. 177
A.1 INIT Mode .................................................................... 177
A.2 Dual Watchdog Operation ............................................ 179
A.3 Module Output Status ................................................... 180
A.4 Reset Status ................................................................... 181
A.5 Analog Output ............................................................... 182
Summary of Contents for M-7024
Page 9: ...I 7021 22 24 M 7022 24 28 User Manual Rev B2 3 9 1 2 Terminal Assignment 7021 7021P 7022 ...
Page 10: ...I 7021 22 24 M 7022 24 28 User Manual Rev B2 3 10 7024 7024L 7024R ...
Page 11: ...I 7021 22 24 M 7022 24 28 User Manual Rev B2 3 11 7024U 7028 ...
Page 46: ...I 7021 22 24 M 7022 24 28 User Manual Rev B2 3 46 1 13 3 Wall Mounting ...