Nortec Industries MES ElectrodeSteam Humidifiers User Manual download pdf (Page 10)

Software requirements for Modbus RTU

Modbus addresses:

4XXXX – R/W

3XXXX - R

Command Description MODBUS

address

Details

Output Control

OFF

Disables the

humidifier and

places the

humidifier in

standby mode

ON

Enables the

humidifier

(humidifier will

operate based

on the SET

OUTPUT

command

input)

After a microprocessor reset, the

default setting for Output Control

shall be OFF.

40262

255: inhibit actions of

humidifier

0: allow normal operation

Set Output Sets the desired steam output from

0-100%

This value shall be zero after a

microprocessor reset

40264

Remotely set humidity

reading over network.

Value of 0 to 100 (per

cent). If no network signal

for N minutes, reverts to 0.

Force Drain 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)

40276

255 will start the process,

0 will be accepted, to clear

if the request has not been

cleared itself

Set MODBUS

address *

Change the humidifier controller’s

MODBUS address.

Range is 1-247.

This setting shall be non-volatile

with a default setting of 1.

40550

The value changes will

only take effect following a

hardware reset of the

control board.

Set MODBUS

Baud rate *

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.

40552

The value changes will

only take effect following a

hardware reset of the

control board

-8-

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 19 20

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