Condair Modbus RTU - Page 51

Modbus Installation | 48
The following points may be mapped for control:
Table 9: NHRS Humidifier Modbus Parameters
Variable
Name
Description
Addr
Type
Format
Range
Unit
R/W
Details
CapLimit
Set a manual
capacity restriction
for the humidifier
40006
Holding
Register
Integer
50-100
%
Write
Limits output to
percentage of total
capacity
RHDem
Write RH or
Demand signal
value to humidifier
40038
Holding
Register
Integer
0-100
%
Write
Requires network
controls (NetSensor = 1)
Set
Writes the desired
space setpoint
when using sensor
controls
40024
Holding
Register
Integer
30-95
%
Write
Use only when sending
RH value to RHDem
NetSensor
Switches between
hard wired or
network control
signal
40039
Holding
Register
Integer
0,1
-
Write
1 = Use Modbus to write
sensor or demand value
0 = Hard wired sensor or
wired demand signal
RHDem
Read RH or
Demand signal
value from
humidifier
40008
Input
Register
Integer
0-100
%
Read
Used with hardwired or
network control signal
Set
Read space
setpoint (sensor
type controls only)
40024
Input
Register
Integer
30-95
%
Read
Sensor controls only, not
for demand type controls
CapLimit
Reads the manual
capacity restriction
for humidifier
40006
Input
Register
Integer
50-100
%
Read
Adjust using writeable
CapLimit variable
NetSensor
Confirms humidifier
control mode
40039
Input
Register
Integer
0,1
-
Read
1 = Use Modbus to write
sensor or demand value
0 = Hard wired sensor or
wired demand signal
SysDemand
Read system ouput
/ demand
40007
Input
Register
Integer
0-100
%
Read
Displays output as
percentage of capacity
HourOpt
Read operation
hours of unit
40009
Input
Register
Integer
0-infinity
hrs
Read
Displays cumulative
hours since startup
SmallHrs
Read minor
maintenance hours
remaining
40013
Input
Register
Integer
0-6000
hrs
Read
Displays hours until next
minor maintenance
LargeHrs
Read major
maintenance hours
remaining
40015
Input
Register
Integer
0-6000
hrs
Read
Displays hours until next
major maintenance
Status
Read
humidification
status
40036
Input
Register
Integer
0,1
-
Read
0 = Idle / Standby
1 = Active / Humidifying
Service
Read service
warning status
40037
Input
Register
Integer
0,1
-
Read
0 = No Service Warning
1 = Service Required
Fault
Read fault status
40035
Input
Register
Integer
0,1
-
Read
0 = No Fault
1 = Fault Detected
InputType
Read control signal
mode
40025
Input
Register
Integer
0,1
-
Read
0 = Demand Signal
1 = RH Sensor Signal
("Transducer Control")
Connection
Read
communication
status
40015
Input
Register
Integer
0,1
-
Read
0 = Communication Error
1 = Normal
Communications