Software Requirement For Modbus Rtu - Nortec MES Electrode Installation And Operation Manual

Modbus addresses:
4XXXX - R/W
3XXXX - R
Command
Output Control
Set Output
Force Drain
Set MODBUS address*
Set MODBUS Baud rate*
Set MODBUS parity*
SOFTWARE REQUIRMENTS FOR MODBUS RTU
Description
OFF ON
Disables the Enables the
humidifier and humidifier
places the (humidifier will
humidifier in operate based
standby mode on the SET
OUTPUT
command
input)
After a microprocessor reset, the
default setting for Output Control
shall be OFF.
Sets the desired steam output
from 0-100%
This value shall be zero after a
microprocessor reset
When written to (FF), will interrupt
the humidification process and
activate the humidifier drain valve.
After 20 minutes the controller will
reset this value (00).
After a microprocessor reset, the
default setting shall be (00)
Change the humidifier controller's
MODBUS address.
Range is 1-247.
This setting shall be non-volatile
with a default setting of 1.
Changes the humidifier's baud
rate.
Range is 4800, 9600, and 19200
B/sec.
This setting shall be non-volatile
with a default value of 9600 B/sec.
Change the humidifier controller's
MODBUS parity.
Range is None, Even, Odd
This setting shall be non-volatile
with a default setting of Even.
MODBUS
address
40262
40264
40276
40550
40552
40554
- 8 -
Details
255: inhibit actions of
humidifier
0: allow normal operation
Remotely set humidity reading
over network. Value of 0 to
100 (per cent). If no network
signal for N minutes, reverts to
0.
255 will start the process, 0
will be accepted, to clear if the
request has not been cleared
itself
The value changes will only
take effect following a
hardware reset of the control
board.
The value changes will only
take effect following a
hardware reset of the control
board
The value changes will only
take effect following a hard-
ware reset of the control board