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Schneider Electric ION7550 User Manual

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PowerLogic ION7550 / ION7650 Installation Guide
© 2007 Schneider Electric.  All rights reserved.
 9
Step 3: Wire the Digital I/O and Analog I/O 
Form C Digital Outputs: Mechanical Relays R1 - R3
Form A Digital Outputs: Solid State Relays D1 - D4 
 
Type
Form C (R1, R2, R3) 
Contacts
K (common), Y (NO), Z (NC)
Wire
Use wiring that is appropriate for the application
Connector
Ring or split ring connector
Voltage Rating
250 VAC / 30 VDC
Rated Load @
Rated Voltage
Resistive: 10 A (AC/DC)
Inductive (PF=0.4): 7.5 A (AC) / 5 A (DC)
Max. Voltage
380 VAC / 125 VDC between K and NO/NC
MOV Protection
300 V max. between NO and NC
Max. Load @
Max. Voltage
3 A (AC) / 0.2 A (DC)
Turn-On Time
15 ms max.
Isolation
5,000 VAC for 60 s
Turn-Off Time
5 ms max.
Lifetime
No load = 10,000,000 operations
Rated voltage and load = 100,000 operations
Update time
½ cycle or 1 s
R
11
R
12
R
13
R
21
R12
R11
R13
Internal Form C 
Mechanical 
Relay
External Supply
Alarm Lamp
NC
NO
Load
Meter
K
Mechanical 
relays should 
always be 
protected by 
external fuses
Type
Form A 
(D1, D2, D3, D4)
Wire
1.3 to 0.1 mm
2
 (16 to 28 AWG)
Signal Type
Continuous or pulse 
Max. Load Voltage
30 VDC
Max. Load Current
80 mA per channel
Isolation
Optically isolated; max. 5,000 V RMS isolation
(UL-E91231) 
Scan Time
½ cycle or 1 s
DIGITAL OUTPUTS
D3
- +
D2
- +
D4
- +
D1
- +
1.8 Wh
+
_
D1
Internal Form A 
Solid State Relay
+
+
_
D3
_
D2
+
_
_
+
_
+
_
+
_
D1
+
D4 output is factory-configured to pulse once every 1.8 Wh for Class 20 meters, 
or once every 0.18 Wh for Class 2 meters (for calibration testing purposes). 
Meter
External 
Relays
External Supply
30VDC max