Comau C3G Plus - Function of Microswitches; LED Lighting up Sequence

LED LIGHTING UP SEQUENCE
When the DRIVES ON button is pressed on PTU4 or from REMOTE the following sequence may be seen on
the Connector Test:
-
leds TP8 - TP11 On
-
leds TP20 - TP21 - TP30 - TP23 - TP22 - TP24 - TP25 - TP26 - TP27 - TP31 - TP32 On
-
leds TP8 - TP11 Off
FUNCTION OF MICROSWITCHES
The first microswitch starting from the top of the connector test device is to check whether the electronics
and safety relay contacts of modules RBC2, SCC2 and SAU2 are OK without turning the robot motors on.
The 2nd microswitch in the centre of the connector test device is to temporarily bridge the safety relays of
module SCC2 and SAU2 machine 1, thus locating the cause of the problem.
The 3rd microswitch at the bottom of the connector test device is for temporarily bridging the safety relays of
module SCC2 and SAU2 machine 2, if present.
The 2nd and 3rd microswitches bridge certain controller safety devices, use with the ut
-
most caution.
MAINTENANCE C3G Plus
7-34 01/0498
diagnostic