Condair Modbus RTU - Page 27

Modbus Installation | 24
The following points may be mapped for control:
Table 4: NHTC Humidifier Modbus Parameters
Variable
Name
Description
Addr.
Type
Format
Range
Unit
R/W
Details
CapLimitCyl1
Sets a manual
capacity
restriction for
cylinder 1.
40026
Holding
Register
Integer
50-100
%
Write
Limits output to
percentage of total
cylinder capacity
CapLimitCyl2
Sets a manual
capacity
restriction for
cylinder 2 (if
present).
41026
Holding
Register
Integer
50-100
%
Write
Limits output to
percentage of total
cylinder capacity for
cylinder 2 (NHTC-150
and NHTC-200 models
only)
RHDemCyl1
Write RH or
Demand signal
value to control
channel 1 for
cylinder 1
40264
Holding
Register
Integer
0 - 100
%
Write
Requires network
controls (NetSensor =
1), for most common
configurations this is
the primary control
signal
RHDemCyl2
Write RH or
Demand signal
value to control
channel 1 for
cylinder 2
41264
Holding
Register
Integer
0 - 100
%
Write
Requires network
controls (NetSensor =
1), only applies to
NHTC-150 and NHTC-
200 with cylinders in
independent operation
mode
RHDem2Cyl1
Write RH or
Demand signal
value to control
channel 2 for
cylinder 1
40265
Holding
Register
Integer
0 - 100
%
Write
Requires network
controls (NetSensor =
1), only applies to
NHTC-150 and NHTC-
200 with dual channel
control enabled
RHDem2Cyl2
Write RH or
Demand signal
value to control
channel 2 for
cylinder 2
41265
Holding
Register
Integer
0 - 100
%
Write
Requires network
controls (NetSensor =
1), only applies to
NHTC-150 and NHTC-
200 with cylinders
dual channel control
enabled and cylinders
in independent
operation mode
Set1Cyl1
Writes the
desired space
setpoint for
control channel
1 for cylinder 1
40024
Holding
Register
Integer
30-95
%
Write
Use only when sending
RH value to RHDem1,
for most common
configurations this is
the primary space
setpoint
Set1Cyl2
Writes the
desired space
setpoint for
control channel
1 for cylinder 2
41024
Holding
Register
Integer
30-95
%
Write
Use only with NHTC-
150 and NHTC-200
models when sending
RH value to RHDem1
and cylinders are in
independent operation
mode
Set2Cyl1
Writes the
desired space
setpoint for
control channel
2 for cylinder 1
40010
Holding
Register
Integer
30-95
%
Write
Use only when sending
RH value to RHDem2
with dual channel
control enabled