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Outputs
Register
(4xxxx)
Output # I/O Type
Units
I/O Range
Holding Register Rep-
resentation
Pins
Min. Value Max. Value Min.
(Dec.)
Max.
(Dec.)
501
1
502
2
503
3
Discrete OUT 3
-
0
1
0
1
Pin 8
504
4
Discrete OUT 4
-
0
1
0
1
Pin 9
505
5
Switch Power 1
Pin 6
506
6
Switch Power 2
Pin 7
Modbus Addressing Convention
All Modbus addresses refer to Modbus holding registers. When writing your own Modbus scripts, use the appropriate commands for
interfacing to holding registers. (Because Modbus numbering begins at 1, users need to subtract 1 from the register address given to
form the numeric value entered into the “address” field of the Modbus RTU protocol command string.) Parameter description headings
refer to addresses in the range of 40000 as is customary with Modbus convention.
Modbus Register Configuration
The factory default settings for the inputs, outputs, and device operations can be changed by the user through the device Modbus regis-
ters.
To change parameters, the data radio network must be set to Modbus mode and the data radio must be assigned a valid Modbus slave
ID.
Generic input or output parameters are grouped together based on the device input or output number: input 1, input 2, output 1 etc.
Operation type specific parameters (discrete, counter, analog 4 to 20 mA) are grouped together based on the I/O type number: analog 1,
analog 2, counter 1, etc. Not all inputs or outputs may be available for all models. To determine which specific I/O is available on your
model, refer to the Modbus Input/Output Register Maps listed in the device's data sheet.
For more information about registers, refer to the MultiHop Product Manual, Banner part number 151317.
Factory Default Configuration
Discrete Inputs (NPN)
Enable
Sample
Boost Ena-
ble
Boost
Warmup
Boost Volt-
age
Extended
Input Read
NPN/PNP
Sample
High
Sample Low
ON
40 ms
OFF
OFF
OFF
OFF
NPN
OFF
OFF
Analog Inputs
Enable
Sample
Boost Ena-
ble
Boost
Warmup
Boost Volt-
age
Extended
Input Read
Analog Max Analog Min Enable Full-
scale
ON
1 sec
OFF
OFF
OFF
OFF
20000
0
ON
Discrete Outputs
Enable
Flash Enable
ON
OFF
SureCross MultiHop Data Radio Module
8
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