Schneider Electric ION7650 Manual De Usuario
PowerLogic ION7550 / ION7650 Installation Guide
© 2007 Schneider Electric. All rights reserved.
11
Analog Inputs (Meter Ordering Option): AI1 to AI4
N
OTE
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
N
OTE
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)
(scalable 0-1 mA)
Driving Capability
500 Ω (0-20 mA option) or 10 kΩ (-1 to 1 mA
option)
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
+ 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