A4d2/a4r2 registers – Perle Systems IOLAN SCS User Manual
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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