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Units Description Definition
1 4 to 20 mA Analog unit. Modbus register contents are scaled such that 0 represents 4 mA and 65535 represents 20
mA.
LCD: 4.00mA–20.00mA
2 0 to 20 mA Default analog input unit. Modbus register contents are scaled such that 0 represents 0 mA and 65535
represents 20 mA.
LCD: 0.00mA–20.00mA
3 Discrete (ON/
OFF) Default discrete input unit.
LCD: ON/OFF
4 0 to 10 V
(Volts) Analog input using 0 to 10 V instead of current. Modbus register contents are scaled such that 0
represents 0V and 65535 represents 10V.
LCD: 0.00V–10.00V
6 Temp °C Celsius, high resolution. Analog input for temperature devices such as thermocouples, RTD, and
thermistors. In high resolution mode, temperature = (Modbus register value) ÷ 20.
LCD: 0000.0C
7 Temp °F Fahrenheit, high resolution. Analog input for temperature devices such as thermocouples, RTD, and
thermistors. In high resolution mode, temperature = (Modbus register value) ÷ 20.
LCD: 0000.0F
8 Temp °C (Low
Res) Celsuis, low resolution. To measure a greater temperature range, use the low resolution unit. In low
resolution mode, temperature = (Modbus register value) ÷ 2.
LCD: 0000.0C
9 Temp °F (Low
Res) Fahrenheit, low resolution. To measure a greater temperature range, use the low resolution unit. In low
resolution mode, temperature = (Modbus register value) ÷ 2.
LCD: 0000.0F
10 Asynchronous
Counter, 32-bit The 32-bit counter value records counts up to 4.29 billion.
LCD: 0000 0000
11 Asynchronous
Counter, 16-bit The 16-bit counter value records counts up to 65535.
LCD: 0000
5.9 Output Units
Units Description Definition
0 Raw Displays the raw A/D conversion data with data ranges from 0 to 65535. This units type is typically used
only for factory calibration.
LCD: Raw A/D hex value
1 4 to 20 mA Analog unit. Modbus register contents are scaled such that 0 represents 4 mA and 65535 represents 20
mA.
LCD: 4.00mA–20.00mA
SureCross Wireless I/O Networks
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