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PowerLogic ION7550 / ION7650 Installation Guide
© 2007 Schneider Electric. All rights reserved. 11
Analog Inputs (Meter Ordering Option): AI1 to AI4
NOTE
Do not connect the analog inputs of the I/O card to the analog outputs on
the same I/O card.
Analog Outputs (Meter Ordering Option): AO1 to AO4
NOTE
Do not connect the analog outputs of the I/O card to the analog inputs on
the same I/O card.
Type Captured wire connector
Wire
1.3 to 0.1 mm
2
(16 to 28 AWG)
Signal Type DC current
Available Options
0 to 20 mA (scalable 4-20 mA) or 0 to 1 mA
Input Impedance 24 Ω (0-20 mA option) or 475 Ω (0-1 mA option)
Accuracy +/– 0.3% of full scale
Update Rate 1 s
Isolation to Ground 750 V
Isolation Impedance max 400 kΩ (channel/channel)
AI4
AI3
AI2
AI1
AI3
+
-
AI1
+
-
mV
mA
Example
application:
temperature
sensing
Thermocoupler
Voltage-to-
Current
Transducer
Meter
Type Captured wire connector
Wire
1.3 to 0.1 mm
2
(16 to 28 AWG)
Signal Type DC current
Available Options
0 to 20 mA (scalable 4-20 mA) or -1 to 1 mA
(scalable 0-1 mA)
Driving Capability
500 Ω (0-20 mA option) or 10 kΩ (-1 to 1 mA
option)
Accuracy +/– 0.30% of full scale
Update Rate ½ cycle or 1 s
Latency
min. 1 cycle for measurement + ½ cycle for ION
+ 1 s delay for hardware
Isolation to Ground 750 V
AO3
OUT COM
AO4
A03
A02
AO1
AO1
OUT
COM
+
Example application: driving an
analog meter with the DC
current output
Meter
Analog
Meter