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GFK-0825F Appendix A Scaling Analog Channels A-3
A
Scaling Values for 1mV or 1
µ
A Engineering Units: BIU
Version 2.0 or Later
For many applications, the engineering units are either millivolts or microAmps. These units are
easy to scale. Simply use the table below to find scaling values that are appropriate for the
channel's configured range.
Analog Current Input Module
Range
Selected
To measure
this current
Enter this engineering
units value
Internal Units
(microAmps)
4 to 20mA 4 mA Low +4,000 Low +4,000
20 mA High +20,000 High +20,000
0 to 20 mA 0 mA Low 0 Low 0
20 mA High +20,000 High +20,000
Analog Current Output Module
Range
Selected
To output this
current
Enter this engineering
units value
Internal Units
(microAmps)
4 to 20mA 4 mA Low +4000 Low +4000
20 mA High +20,000 High +20,000
0 to 20 mA* 0 mA Low 0 Low 0
20 mA High +20,000 High +20,000
Analog Current Source Output Module (IC670ALG320) in Voltage Mode
Range
Selected
To output this
voltage
Enter this engineering
units value
Internal Units
(microAmps)
4 to 20mA 0 volts Low 0 Low +4000
+10 volts High +10,000 High +20,000
0 to 20 mA* 0 volts Low 0 Low 0
+12.5 volts High +12,500 High +20,000
*
Connect the output load between Volt (V) and Return (RET) for the
channel being used. For 0 to +12.5 voltage, place a jumper between RET
and JMP on the terminal block.
Horner Analog Voltage Input Module (HE670ADC810)
Range
Selected
To measure
this voltage
Enter this engineering
units value
Internal Units
(microAmps)
0 to 10 volts 0 volts Low 0 Low 0
+10 volts High +10,000 High +10,000
-10 to +10 volts -10 volts Low -10,000 Low -10,000
+10 volts High +10,000 High +10,000