Nortec Modbus User Manual

Page 15

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The following points may be mapped for control:

Parameter

Name

Description

Modbus

Addr.

Type

Format Range Unit

R/W

Details

Dinput_A1

Write RH or

Demand signal

value to control

channel 1 for

cylinder A

40005

Holding

Register Integer 0 - 100

%

Write

Requires Modbus or

BACnet to be enabled.

For most common

configurations, this is the

primary control signal

Dinput_A2

Write RH or

Demand signal

value to control

channel 2 for

cylinder A

40006

Holding

Register Integer 0 - 100

%

Write

Requires Modbus or

BACnet to be enabled.

Only applies to NH-EL-

150 and NH-EL-200 with

cylinders in independent

operation mode

Dinput_B1

Write RH or

Demand signal

value to control

channel 1 for

cylinder B

40010

Holding

Register Integer 0 - 100

%

Write

Requires Modbus or

BACnet to be enabled.

Only applies to NH-EL-

150 and NH-EL-200 with

dual channel control

enabled

Dinput_B2

Write RH or

Demand signal

value to control

channel 2 for

cylinder B

40011

Holding

Register Integer 0 - 100

%

Write

Requires Modbus or

BACnet to be enabled.

Only applies to NH-EL-

150 and NH-EL-200 with

cylinders dual channel

control enabled and

cylinders in independent

operation mode

Manual_

Capcity_A

Sets a manual

capacity limit

restriction for

cylinder A

40002

Holding

Register Integer 0 - 100

%

Write

Limits output to

percentage of total

cylinder capacity for

cylinder A (NH-EL-150

and NH-EL-200 models

only)

Manual_

Capcity_B

Sets a manual

capacity limit

restriction for

cylinder B (if

present)

40007

Holding

Register Integer 0 - 100

%

Write

Limits output to

percentage of total

cylinder capacity for

cylinder B (NH-EL-150

and NH-EL-200 models

only)

BMS_

Timeout

BMS timeout

for Modbus and

BACnet

40013

Holding

Register Integer 0 - 300

s

Write

It is recommend to not

change the value from

the factory default (300)

Remote_

Disable

Remotely disable

steam production

for the unit

40001

Holding

Register Integer 0 or 1

-

Write

0 = Idle/Humidify

1 = Disable

SP_Chan_A

1

Writes the

desired space

setpoint for

control channel 1

for cylinder A

40003

Holding

Register Integer 0 - 95

%

Write

Use only when sending

RH values to Dinput_A1.

For most common

configurations this is the

primary space setpoint

SP_Chan_A

2

Writes the

desired space

setpoint for

control channel 2

for cylinder A

40004

Holding

Register Integer 10 - 95

%

Write

Use only when sending

RH value to Dinput_A2

with dual channel control

enabled

12

|Modbus Installation

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