Mitsubishi FX3UC SERIES User Manual page 164

FX Series Programmable Controllers
3UC
User's Manual - Hardware Edition
5.5.6 [Function switching] switching of allocation and functions of input terminals
When the software counters C244, C245, C248 and C253 are combined with the following special auxiliary
relays, the allocation of the input terminals and functions are changed.
Program the special auxiliary relays just before the counters.
Counter No.
C244(OP)
C245(OP)
C248(OP)
C253(OP)
158
When used as hardware counter
M8388
M8390
C244
K
M8388
M8391
C245
K
M8388
M8392
C248
K
M8388
M8392
C253
K
5 Input Specifications and External wiring
5.5 High-speed Counters (C235 to C255)
Details of change
• The count input terminal is changed from X000 to
X006.
• Reset input is not given.
• Start input is not given.
• The counter functions as a hardware counter.
• The count input terminal is changed from X002 to
X007.
• Reset input is not given.
• Start input is not given.
• The counter functions as a hardware counter.
• Reset input is not given.
• The counter functions as a hardware counter.
• Reset input is not given.
• The counter functions as a software counter.