Multi-Tech Systems 7500 - Manual (Page 172)

I/O Specifications ION 7500 / ION 7600 User’s Guide
Page 172 Chapter 6 - Hardware Reference
Connections to the terminal strip are made as shown in the following diagram.
Analog Outputs
The I/O expansion card can be ordered with 4 analog outputs.
C AUTION
Due to internal circuit design, it is recommended that the analog inputs of the I/O Card NOT be driven
with the outputs on the same card.
Specification 0 to 20 mA Analog Outputs -1 to 1 mA Analog Outputs
Scalable To 4-20 mA To 0-1 mA
Signal Type Continuous DC Continuous DC
Driving Capability 500 Ω 10 k Ω
Accuracy +/– 0.30% of full scale
Connection Type Captured-wire
Wire Type AWG 14 to AWG 12
External
relays
80mA max
Excitation voltage
(30 V max)
1.8 Wh pulsing
rear of unit
(bottom right)
DIGITAL OUTPUTS
D3
- +
D2
- +
D1
- +
- + - + - + - +
D4
- +
Rear View of Meter
I/O Card
analog outputs