Electrical
Troubleshooting Guide
IRB6400 M94A
Page 5 - 6
Motors ON/Dual Run Chain Circuitry
5.2.2 Run Chain 1 - Manual Stop Circuit
Between terminals A1 and A2 the customer may wire
into our Manual Stop (MS) circuit. This circuit can be
used as a second Enable Device wired to safety mats,
safety gates, safety switches or other safety circuitry
that is only to be used while in Manual Reduced or
Manual Full Speed modes.
If this circuitry is not used, a jumper is required from
XS3/XT3 terminal A1 to A2. 24 VDC then goes to the
System board (DSQC 256A) AP41:XP1 pin A14 and
turns on the MS LED on the front of the System board
(DSQC 256A). If the MS LED light is OFF when the
Enable Device is held closed, then the circuit needs
repair or the Manual Stop circuit has been opened.
Sheet 7, line 05 ............
Fig. 5-5 ............
Sheet 7, line 05 ............
Fig. 5-5 ............
Fig. 5-1 ............
Fig. 5-2 ............
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