Base Board Input Connection
Modbus Register
Range
Description
4
0–65535
Universal input 4
Universal Input Register Ranges
Register Types
Unit
Minimum Value
Maximum Value
Discrete input/output
0
1
Universal input 0 to 10 V
mV
0
10000 *
Universal input 0 to 20 mA
µA
0
20000 *
Universal input temperature (–40 °C to +85 °C)
C or F, signed, in tenths of a degree
–400
850
Universal potentiometer
unsigned
0
65535
* Setting Enable Full Scale to 1 sets the ranges to a linear scale of 0 to 65535.
B1 Controller Base Board Output Connection
Modbus Register
Range
Description
501
0–1
NMOS Output 1
502
0–1
NMOS Output 2
503
0–1
NMOS Output 3
504
0–1
NMOS Output 4
505
0–1
Switched Power 1 (5 V or 16 V)
506
0–1
Switched Power 2 (5 V or 16 V)
507
0–20000
Analog Output 1 default (0-20.000 mA)
0–10000
Analog Output 1 (0-10.000 V)
508
0–20000
Analog Output 2 default (0-20.000 mA)
0–10000
Analog Output 2 (0-10.000 V)
9.2.7 Modbus I/O Registers for the B2 I/O Base Board
The I/O base board stores the input and output values in Modbus holding registers. Since the I/O base board is defined as a
separate device, configure the DXM to read or write the values on the I/O base board.
Base Board Input Connection
Modbus Register
Range
Description
1
0–65535
Universal input 1
2
0–65535
Universal input 2
3
0–65535
Universal input 3
4
0–65535
Universal input 4
Universal Input Register Ranges
Register Types
Unit
Minimum Value
Maximum Value
Discrete input/output
0
1
Universal input 0 to 10 V
mV
0
10000 *
Universal input 0 to 20 mA
µA
0
20000 *
Sure Cross
®
DXM100-Bx and DXM1000-Bx Wireless Controllers
78
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