ABB IRB 2000, Product Manual

Page: 238 / 270

Status signals from the control system
(EXT MOTOR ON 1, 2, EXT BRAKE)
Max. supply voltage
Max. current continuously
Max. potential in relation to ground
Signal class according to section 3.1
48VDC
1A
400 V
control signals
6.3
Signal description
6.3.1
Common signals
The following signals are for the external axes 7 -12:
LIM SW EXT(l-7)
The signal is common to all limit-position switches throughout the system. All limit-switches
are connected in series. An open circuit indicates that the external axis has reached the limit
of its working range, and this will tripthe safety chains in the robot. The signal must be
jumpered if not used. When the MOTOR ON-button in the control system is kept depressed,
the axis can be jogged past the limit-position switches back into working range.
Note: The dual safety chains requries on intermediate relay if a single limit switch is used.
Control system
XS3/XT3
EST0P1 A10
EXT LIM 1 A12
ESTOP 2 Bll
EXT LIM 2 B12
1
1
INSTALLATION S3
6:4