M88950 MODBUS Register Map

Communication Setting : Baud Rate=57600 (Settable), Parity=None (Settable), Data Bit=8, Stop Bit=1

Function 03 : Data Read , Function 06 : Data Write

Sr. No.	Parameters	Function	Register Numbers				Values
			CH-1	CH-2	CH-3	CH-4
1	Relay Delay	03/06	0	1	2	3	0 to 250 Seconds
2	Relay Hysterisis	03/06	4	5	6	7	-10 to 10
3	Relay Logic	03/06	8	9	10	11	Fail Safe=0, Non Fail Safe=1, Off=2
4	Relay Latching Yes or NO	03/06	14	15	16	17	Latching Yes=0 , Latching No=1
5	Alarm Set Point	03/06	18	19	20	21	-999 to 9999
6	Trip Set Point	03/06	22	23	24	25	-999 to 9999
7	Range Low	03/06	26	27	28	29	-999 to 9999
8	Range High	03/06	30	31	32	33	0-9999
9	Sensor Select	03/06	38	39	40	41	RTD=0, RTD.1=1
10	Unit Selection	03/06	42	43	44	45	C=0, F=1
11	4 mA Output Counts	03/06	46	47	48	49
12	20 mA Output Counts	03/06	50	51	52	53
13	PRG COPY FROM (CH-A)	03/06	55				CH-B=0, CH-C=1, CH-D=2, None=3
14	PRG COPY FROM (CH-B)		56				CH-A=0, CH-C=1, CH-D=2, None=3
15	PRG COPY FROM (CH-C)		57				CH-A=0, CH-B=1, CH-D=2, None=3
16	PRG COPY FROM (CH-D)		58				CH-A=0, CH-B=1, CH-C=2, None=3
17	IPC	03/06	60	61	62	63	Input Error Correction
18	Process Value	03	64	65	66	67	Process Value

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