Multi-Tech Systems 7500 Manual Do Utilizador
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.
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)
(bottom right)
DIGITAL OUTPUTS
D3
-
+
D2
-
+
D1
-
+
-
+
-
+
-
+
-
+
D4
-
+
Rear View of Meter
I/O Card
analog outputs