Perle Systems STS, SCS manual D4/D2R2 Registers, Serial Pin Signals, Data Model D3/R1 D4/R2 Coils

Modbus I/O Access

D4/D2R2 Registers

The following coils and registers are supported by the IOLAN D4 and D2R2 I/O models:

	Data Model	D1	D2	D3/R1	D4/R2	R/W
Coils:
	MB_REG_DI_SENSOR	6145	6146	6147	6148	R
*	MB_REG_DI_SENSOR_ALARM_STATE	6209	6210	6211	6212	R/W
	MB_REG_DO_SENSOR	6657	6658	6659	6660	R/W
Holding Registers:
	MB_REG_HR_DI_SENSOR_LATCH	6145	6146	6147	6148	R/W
	MB_REG_HR_DO_SENSOR_PULSE_ISW	6209	6210	6211	6212	R/W
	MB_REG_HR_DO_SENSOR_PULSE_ASW	6273	6274	6275	6276	R/W
	MB_REG_HR_DO_SENSOR_PULSE_COUNT	6337	6338	6339	6340	R/W

*For DI alarm state, read will get state, write will clear alarm.

Serial Pin Signals

The following coils and registers are supported by the IOLAN I/O models:

	Data Model	Pin	R/W
Coils:
	MB_REG_DI_DSR	4225	R
	MB_REG_DI_DSR_ALARM_STATE	4289	R/W
	MB_REG_DI_DCD	4353	R
	MB_REG_DI_DCD_ALARM_STATE	4417	R/W
	MB_REG_DI_CTS	4481	R
	MB_REG_DI_CTS_ALARM_STATE	4545	R/W
	MB_REG_DO_DTR	4673	R/W
	MB_REG_DO_RTS	4737	R/W
Holding Registers:
	MB_REG_HR_DI_DSR_LATCH	4097	R/W
	MB_REG_HR_DI_DCD_LATCH	4609	R/W
	MB_REG_HR_DI_CTS_LATCH	5121	R/W

272 IOLAN SDS/SCS/STS User’s Guide, Version 3.6