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5 Safety functions
5.1 The safety control chain of operation
The safety control chain of operation is based on dual electrical safety chains which
interact with the robot computer to enable the robot to be put and stay in the MOTOR
ON mode.
These electrical safety chains are continuously monitored and the robot reverts to the
MOTOR OFF mode when a fault detected by the control computer arises. MOTOR OFF
mode means that drive power is removed from the robot's motors and the brakes are
applied.
The electrical safety chains consist of several switches connected in series in such a way
that they must all be closed before the robot can be put into MOTOR ON mode and power
supplied to the motors.
THE ELECTRICAL SAFETY CHAINS
OPERATING
MODE
SELECTOR
2 4 V
OV
AUTO
MANUAL REDUCED SPEED
MANUAL FULL SPEED
GS ES LJMSW
COMPUTER
OUTPUTS
ENABLE
MOTOR
ON
GS ES LIMSW ENABLE
MOTOR
ON
MCI
-B-
MC2
-B-
OV
24 V
AS = AUTO MODE SAFEGUARDED SPACE STOP
MS
=
MANUAL MODE SAFEGUARDED SPACE STOP
GS - GENERAL MODE SAFEGUARDED SPACE STOP
ES = EMERGENCY STOP BUTTONS
MCI = MOTOR CONTACTOR 1
MC2 = MOTOR CONTACTOR 2
BC = BRAKE CONTACTOR
MCI MC2
3x240 V A C
24 V DC
V f / ) / • DRIVE UNTTS
I BC
• BRAKES
The position of the switches is indicated by the light diodes on the front of the system
board in the control cabinet.
When any contact in the safety chain of operation is opened the system will always revert
to the MOTOR OFF mode.
After a stop, the switch has to be reset at the unit which caused the stop before the
system can be ordered to start again.
Safety
IRB2000
1KB 3200
IRB3000
1KB 6000
Summary of Contents for IRB 2000
Page 8: ...Description 1KB 2000 ...
Page 10: ...Description 1KB 2000 ...
Page 12: ...Description 1KB 2000 6 ...
Page 20: ...Description 1KB 2000 14 ...
Page 32: ...Description 1KB 2000 26 ...
Page 40: ...5 3 2 Dimensional drawings Description 34 1KB 2000 ...
Page 41: ..._200 _D D_ Description 35 1KB 2000 ...
Page 44: ...Description 1KB 2000 38 ...
Page 64: ...Description 1KB 2000 58 ...
Page 77: ...Safety 1KB 2000 IBB 3000 12 1KB 3200 1KB 6000 ...
Page 80: ...Installation H B 2000 ...
Page 82: ...Installation 1KB 2000 ...
Page 91: ...Installation 1KB 2000 12 ...
Page 95: ...Installation 1KB 2000 16 ...
Page 110: ...INSTALLATION S3 0 4 ...
Page 112: ...INSTALLATION S3 1 2 ...
Page 160: ...INSTALLATION 3 46 ...
Page 234: ...INSTALLATION 5 70 ...
Page 262: ...INSTALLATION S3 7 6 ...