ABB IRB6400 - Relay Labeling; E5. Relay Labeling

Circuit Diagrams
Appendix E - 7
Electrical
Troubleshooting Guide
IRB6400 M94A
A2
Backside
A-A View A-A
A1
Contact
Terminal
2 4 6 8
1- 2- 3- 4-
-2
-2 -4 -4
-1 -1 -3 -3
1 3 5 7
1- 2- 3- 4-
Contacts for Coil
ex: 907, sheet 9, area 7
Note: Underline indicates
normally closed contact
Dotted line to connect
coil with contacts
Noise
Suppressor
Relay Coil (KM2)
Coil Terminals A & A2
KM2 Contacts
Terminal 44 & 43
A2
A1
Terminal
44
E5. Relay Labeling
The relays used in the robot are made by ABB. The labeling of these relays is shown below. When a
relay terminal is described, (example: terminal 43) the two digit number is split into two separate level
numbers. The first number (4) is for the lower level of the relay and the second number (3) is for the
top level of the relay.
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