CommStat
™
4
Modbus Adapter
Installation & Operation
Page 15
Technical Specifications
Electrical
Voltage:
24VDC to 60VDC (nominal 24VDC or 48VDC)
Current:
1A typical
Environmental
Temperature:
-30C (-22F) to 70C (158F)
Relative Humidity:
0% to 95%, non-condensing
Mechanical
Dimensions:
10.00 inches x 6.00 inches x 3.00 inches (25.40 cm x 15.24 cm x 7.62 cm)
Weight:
1.37 lbs (0.62 kg)
Construction Material: POLYLAK
®
PA-765 ABS Thermoplastic (flammability rating UL94-5VA)
External Connections
Power Supply Terminal Block
The two-position power input terminal block has the following connections:
Wire Color
Label
Description
Black
V+
Power Input
White
COM
Power Return
Figure 11: Power Input Terminal Block Connections
Modbus RTU
Interface Terminal Block
The two-position
CommStat
™
4
interface terminal block has the following connections:
Wire Color
Label
Description
Black
A
RS-485 RX/TX A
White
B
RS-485 RX/TX B
Figure 12:
Modbus RTU
Interface Terminal Block Connections
The preset Modbus RTU serial configuration is 9600, N, 8, 1.
