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Relay Control 5-3
Figure 5-1
External source relay control
CAUTION For external source relay control:
-Do not exceed 100mA DC per channel
-Do not 24V DC
Relay 1
Relay
Coil
Power Supply Relay Control
24VDC
Max
Chassis
Ground
External Source
Relay 2
Relay 3
Relay 4
Pin 5
Pin 4
Pin 2
Pin 1
Pin 7
Pins 3, 6, 9
5
1
9
6
4 3 2
8 7
Relay 1
Relay
Coil
Power Supply Relay Control
+5VDC
Chassis
Ground
Relay 2
Relay 3
Relay 4
CAUTION
For internal source relay control:
-Do not exceed 100mA DC per channel
-Do not exceed 250mA DC total
Pin 5
Pin 4
Pin 2
Pin 1
Pin 7
Pins 3, 6, 9
Pin 8
5
1
9
6
4 3 2
8 7
Figure 5-2
Internal source relay control
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com
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