Rockwell Automation 1771-PM , D17716.5.18 U MNL 1771-PM CLUTCH/BRAKE MOD - Manual (Page 114)

Troubleshooting
Chapter 7
7Ć30
diagnostic message codes are displayed by indicators connected to module group 5, slot 1 (figure 6.18), or by displaying the corresponding
data table word using the industrial terminal.
Use this table in conjunction with figure 7.1 and figure references shown in parentheses.
Type of Message
N = NonĆlatched
L = Latched
T = Trip Condition
Code
P = at PowerĆup
Alt = Alternate chassis
Ethr = Either chassis
Top = Top chassis
Bot = Bottom chassis
Binary Diagnostic Message (figure References) Code Type Hex
0111 0110 76 L Motion detector signal missing during onĆtheĆhop downstroke. (5.1, 6.17)
0111 0111 77 L Motion detector signal missing during second downstroke. (5.1, 6.17)
0111 1000 78 L Motion detector signal missing during continuous cycle. (5.1, 6.17)
0111 1001 79 L Motion detector signal missing at near bottom. (5.1, 6.17)
0111 1010 7A L Motion detector signal missing at near top. (5.1, 6.17)
0111 1011 7B T Motion detector signal comes on while press is stopped. (6.17)
0111 1100 7C T Motion detector signal remains on after press stops. (6.17)
0111 1101 7D Not used.
0111 1110 7E Not used
0111 1111 7F Not used
Faulty Cam Limit Switch
Near Top Position
(Figures 5.1, 6.11)
1000 0000 80 L Brake monitor and runĆon cam switches both closed.
1000 0001 81 L Brake monitor for this chassis and runĆon cam switch for the other chassis both closed.
1000 0010 82 L Brake monitor for this chassis and runĆon cam switch for the other chassis both closed.
1000 0011 83 L Alt Brake monitor and runĆon cam switches both closed.
1000 0100 84 L RunĆon cam switch closed, showing reverse motion.
1000 0101 85 L Alt RunĆon cam switch closed, showing reverse motion.
Transition to Downstroke
(Figures 5.1, 6.11)
1000 0110 86 L RunĆon cam switch closed.
1000 0111 87 L Alt RunĆon cam switch closed.