316
Modbus I/O Access
A4D2/A4R2 Registers
The following coils and registers are supported by the IOLAN A4D2 and A4R2 I/O models:
*For DI alarm state, read will get state, write will clear alarm.
Data Model
A1
A2
A3
A4
D1/R1 D2/R2 R/W
Coils:
MB_REG_DI_SENSOR
-----
-----
-----
-----
6149
6150
R
*
MB_REG_DI_SENSOR_ALARM_STATE
-----
-----
-----
-----
6213
6214
R/W
MB_REG_DO_SENSOR
-----
-----
-----
-----
6661
6662
R/W
Holding Registers:
MB_REG_HR_DI_SENSOR_LATCH
-----
-----
-----
-----
6149
6150
R/W
MB_REG_HR_DO_SENSOR_PULSE_ISW
-----
-----
-----
-----
6213
6214
R/W
MB_REG_HR_DO_SENSOR_PULSE_ASW
-----
-----
-----
-----
6277
6278
R/W
MB_REG_HR_DO_SENSOR_PULSE_COUNT -----
-----
-----
-----
6341
6342
R/W
MB_REG_HR_AI_CLEAR_ALARM_LATCH
2049
2050 2051 2052 -----
-----
W
MB_REG_HR_AI_CLEAR_MAX
2113
2114
2115 2116 -----
-----
W
MB_REG_HR_AI_CLEAR_MIN
2177
2178 2179 2180 -----
-----
W
Input Registers:
MB_REG_IR_CURR_ENG
2080
2112
2144 2176 -----
-----
R
MB_REG_IR_MIN_ENG
2082
2114
2146 2178 -----
-----
R
MB_REG_IR_MAX_ENG
2084
2116
2148 2180 -----
-----
R
MB_REG_IR_CURR_RAW
2086
2118
2150 2182 -----
-----
R
MB_REG_IR_MIN_RAW
2087
2119
2151 2183 -----
-----
R
MB_REG_IR_MAX_RAW
2088
2120 2152 2184 -----
-----
R
MB_REG_IR_ALARM_LEVEL
2089
2121 2153 2185 -----
-----
R