IMP Pumps NMTC module - Manual (Page 34)

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Address Register name Range Resolution Description
001 SlaveDelay 0..10000 1 ms
Delay in milliseconds for slave reply. This delay
will be added to every Modbus reply
[default = 0].
002 RESERVED
003 ModbusAddress 1..247 1 Modbus address [default = 245].
004 BitRate 0..5 1
Modbus transmission speed enumeration.
0 = 1200 baud
1 = 2400 baud
2 = 4800 baud
3 = 9600 baud
4 = 19200 baud [default]
5 = 38400 baud
005..
008
RESERVED
009 Parity 0..2 1
Parity setting to be used for communication.
0 = No parity
1 = Even parity [default]
2 = Odd parity
010 StopBits 1..2 2
Stop bits used for communication. 2 stop
bits will only be used when “Parity” is set to
0.
1 = 1 stop bit [default]
2 = 2 stop bits
011 RESERVED
012 RelayControl 0..2 1
Configures module relay output.
0 = indicates fault
1 = indicates pump ready
2 = indicates pump operation
See section “5 Relay output”.
7.8 NMTC Status register block
Registers in this block are read with either function codes 0x03 or 0x04. They are read-
only. This block can be used for various kinds of fault finding.
Address Register name
Resolution Description
021..
022
RESERVED
023 SoftwareVersion 0.1 Module software version
024..
029 RESERVED
030 ProductVersion 1
Product version
[32x for NMTC module, x denotes hardware revision]
031 RESERVED
032 SoftwareVersion 0.1
Module software version
[10 = 1.0]
7.9 Pump control register block
Registers in this block are read with either function codes 0x03 or 0x04. They can be written as
holding registers with function codes 0x06 and 0x10.