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PowerLogic ION7550 / ION7650 Installation Guide
10 © 2007 Schneider Electric. All rights reserved.
Digital Inputs: S1 - S8
Digital Inputs (Meter Ordering Option): DI1 - DI8
Type Self-excited (internal 30 VDC supply)
Application Dry contact sensing, or with external excitation
Wire
1.3 to 0.1 mm
2
(16 to 28 AWG)
Min. Pulse Width
1 ms
Max. Pulse Rate 20 pulses per second
Timing Resolution 1 ms
Updated ½ cycle (after timing resolution)
Isolation to Ground max. 200 VDC for 10s
Max. External Voltage 130 VDC continuous
S
C
O
M
S
1
S
2
S
3
S
4
S
5
S
6
S
7
S
8
DIGITAL INPUTS
_
+
S8
S7
SCOM
+
_
30 VDC
+
_
+
_
S8
S7
SCOM
+
_
30 VDC
+
_
+
_
Internal Excitation External Excitation
Optically-
coupled switch
External Supply
130 VDC max
Meter Meter
Optically-
coupled switch
Type Self excited (internal 30 VDC supply)
Application Dry contact sensing, or with external excitation
Wire
1.3 to 0.1 mm
2
(16 to 28 AWG)
Min. Pulse Width 20 ms
Max. Pulse Rate 25 pulses per second
Timing Resolution 2 ms
Updated ½ cycle (after timing resolution)
Isolation to Ground 750 VDC
Max. External Voltage 50 VDC continuous
Internal Excitation
External Excitation
Optically-
coupled switch
Optically-
coupled switch
External Supply
50 VDC max
Meter
Meter