Nortec Modbus User Manual
Page 16
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
Signal_
Source
Selects signal
source to control
unit
40014
Holding
Register Integer
0 - 4
-
Write
0 = Analog
1 = Modbus
2 = BACnet/IP
3 = BACnet/MS
4 = LonWorks
Control_
Mode
Selects method
to control unit
40015
Holding
Register Integer
1 - 3
-
Write
1 = Demand
2 = RH P
3 = RH PI
Control_
Channel
Selects method
to control
channels
40016
Holding
Register Integer
0 - 1
-
Write
0 = Single Channel
1 = Dual Channel
Input_A1
Displays channel
1 demand for
cylinder A
30004
Input
Register Integer
0 - 100
%
Read
Displays channel 1
demand/sensed RH as
a percentage of cylinder
capacity for cylinder A
Input_A2
Displays channel
2 demand for
cylinder A
30005
Input
Register Integer
0 - 100
%
Read
Displays channel 2
demand/sensed RH as
a percentage of cylinder
capacity for cylinder A
Input_B1
Displays channel
1 demand for
cylinder B
30014
Input
Register Integer
0 - 100
%
Read
Displays channel 1
demand/sensed RH as
a percentage of cylinder
capacity for cylinder B
(NH-EL-150 and NH-EL-
200 models only)
Input_B2
Displays channel
2 demand for
cylinder B
30015
Input
Register Integer
0 - 100
%
Read
Displays channel 2
demand/sensed RH as
a percentage of cylinder
capacity for cylinder B
(NH-EL-150 and NH-EL-
200 models only)
Blower_
Pack_A
Reads the status
of the blower
pack for cylinder
A
30008
Input
Register Integer
0 or 1
-
Read
0 = Open
1 = Closed
Blower_
Pack_B
Reads the status
of the blower
pack for cylinder
B
30018
Input
Register Integer
0 or 1
-
Read
0 = Open
1 = Closed
Fan_
Activate_A
Indicates if air
handle or
furnace is
activated for
cylinder A
30009
Input
Register Integer
0 or 1
-
Read
0 = Not Activated
1 = Activated
Modbus Installation | 13