Yaskawa YASNAC PC NC Maintenance Manual - Manual (Page 40)

Chapter 4: Troubleshooting PC NC Maintenance Manual
4-19
(c) There is no input to handle PG
• Check the input voltage (5V) at the handle PG terminal.
• Check the handle PG signal cable connector to see if it is
securely plugged in.
(d) Handle PG is faulty
Verify the following (counter monitor) on the I/O screen if the
values change according to the operation of the pulse handle.
#3037 (No. 1 handle)
#3038 (No. 2 handle)
#3039 (No. 3 handle)
(e) Other related parameters
Verify the setting for the following parameters.
(3) Jog Operation is Impossible
(a) Jog mode signal is not input
Verify the bit status of I/O monitor #3000.
Dl = l
Other bits (DO, D2 to D7) = O
Maximum feedrate for handle operation Parameter pm2860 (linear axis) Parame-
ter pm2861 (rotary axis)
Acceleration/deceleration time constant Parameters pm2561 to pm2565
Pulse multiplication ratio of “×100” is set (pm2003
D7 = 1) Parameter pm2549