Rockwell Automation 1771-PM , D17716.5.18 U MNL 1771-PM CLUTCH/BRAKE MOD User Manual
Page 115
Troubleshooting
Chapter 7
7Ć31
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
Hex
Type
Code
Diagnostic Message (figure References)
1000 1000
88
L
Brake monitor cam switch bounced or motion reversed.
1000 1001
89
L
Alt
Brake monitor cam switch bounced or motion reversed.
Downstroke
10001010
8A
L
Brake monitor open when runĆon cam switch is closed.
1000 1011
8B
L
Brake monitor for this chassis open when runĆon cam switch for the other chassis is closed.
1000 1100
8C
L
Brake monitor for this chassis open when runĆon cam switch for the other chassis is closed.
1000 1101
8D
L
Alt
Brake monitor open when runĆon cam switch is closed.
1000 1110
8E
L
Brake monitor can switch open, showing reverse motion.
1000 1111
8F
L
Alt
Brake monitor can switch open, showing reverse motion.
Transition to Near Bottom Zone
1001 0000
90
L
Brake monitor cam switch open.
1001 0001
91
L
Alt
Brake monitor cam switch open.
1001 0010
92
L
RunĆon cam switch bounced or motion reversed.
1001 0011
93
L
Alt
RunĆon cam switch bounced or motion reversed.
Near Bottom Zone
1001 0100
94
L
Brake monitor and runĆon cam switches both open.
1001 0101
95
L
Brake monitor for this chassis and runĆon cam switch for the other chassis both open.
1001 0110
96
L
Brake monitor for this chassis and runĆon cam switch for the other chassis both open.
1001 0111
97
L
Alt
Brake monitor and runĆon cam switches both open.
1001 1000
98
L
RunĆon cam switch open, showing reverse motion.
1001 1001
99
L
Alt
RunĆon cam switch open, showing reverse motion.