Condair Modbus RTU - Page 21

Modbus Installation | 18
The following points may be mapped for control:
Table 3: NH-EL Humidifier Modbus Parameters
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
SP_Chan_B
1
Writes the
desired space
setpoint for
control channel
1 for cylinder B
40008
Holding
Register
Integer
0 - 95
%
Write
Use only with NH-EL-150 and
NH-EL-200 models when
sending RH value to
Dinput_B1 and cylinders are
in independent operation
mode
SP_Chan_B
2
Writes the
desired space
setpoint for
control channel
2 for cylinder B
40009
Holding
Register
Integer
10 - 95
%
Write
Use only with NH-EL-150 and
NH-EL-200 models when
sending RH value to
Dinput_B2 with dual channel
control enabled and cylinders
are in independent operation
mode