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10
MODBUS Holding Registers
Parameter
Function
Range
Type
Access
Address
Address
Device Slave Address
1 - 247
8 bit
R/W
40001
Serial#
Device Serial Number
ASCII
8 char
R
40004
DOM
Date of Manufacture
ASCII
8 char
R
40008
HW Version
Hardware Version
ASCII
8 char
R
40012
FW Version
Firmware Version
ASCII
8 char
R
40016
Motor Speed (%)
Pump 1
0 - 100
16 bit, unsigned
R/W
40101
Pump 2
16 bit, unsigned
40102
Pump 3
16 bit, unsigned
40103
Pump 4
16 bit, unsigned
40104
Pump 5
16 bit, unsigned
40105
Pump 6
16 bit, unsigned
40106
Timeout (seconds)
Turn off pumps if no communication
0 - 32767
16 bit, unsigned
R/W
41001
Accumulated Run Time
(seconds)
Pump 1
Unsigned Int
32 bit, unsigned
R
49001
Pump 2
49003
Pump 3
49005
Pump 4
49007
Pump 5
49009
Pump 6
49011
A request to read or write a register that is not available will return an illegal address error (0x02.)
