1-2
Section
Basic PC Operation and I/O Processes
20
CPM1/CPM1A PCs
Set the input time constants for CPM1/CPM1A inputs from a Programming De-
vice.
Input Time Constants for IR 000
15
0
Bit
Time constant for IR 00007 to IR 00011 (1 digit BCD; see below.)
Time constant for IR 00005 to IR 00006 (1 digit BCD; see below.)
Time constant for IR 00003 to IR 00004 (1 digit BCD; see below.)
Time constant for IR 00000 to IR 00002 (1 digit BCD; see below.)
Default:
0000 (8 ms for each)
DM 6620
Input Time Constants for IR 001 to IR 009
15
0
Bit
DM 6621: IR 001 and IR 002
DM 6622: IR 003 and IR 004
DM 6623: IR 005 and IR 006
DM 6624: IR 007 and IR 008
DM 6625: IR 009
Time constant for IR 002, IR 004, IR 006, and IR 008
Time constant for IR 001, IR 003, IR 005, IR 007, and IR 009
Default:
0000 (8 ms for each)
DM 6621 to DM 6625
The nine possible settings for the input time constant are shown below. (Set only
the rightmost digit for each setting for IR 000.)
00: 8 ms
01: 1 ms
02: 2 ms
03: 4 ms
04: 8 ms
05: 16 ms
06: 32 ms
07: 64 ms
08: 128 ms
The CPM1/CPM1A’s I/O response time is the input time constant (1 ms to
128 ms; default is 8 ms) + the cycle time.
Refer to
8-1 CPM1/CPM1A Cycle Time and I/O Response Time
for more details.
CPM2A/CPM2C PCs
Set the input time constants for CPM2A/CPM2C inputs from a Programming De-
vice.
Input Time Constants for IR 000
15
0
Bit
Time constant for IR 00007 to IR 00011 (1 digit BCD; see below.)
Time constant for IR 00005 to IR 00006 (1 digit BCD; see below.)
Time constant for IR 00003 to IR 00004 (1 digit BCD; see below.)
Time constant for IR 00000 to IR 00002 (1 digit BCD; see below.)
Default:
0000 (10 ms for each)
DM 6620
Input Time Constants for IR 001 to IR 009
15
0
Bit
DM 6621: IR 001 and IR 002
DM 6622: IR 003 and IR 004
DM 6623: IR 005 and IR 006
DM 6624: IR 007 and IR 008
DM 6625: IR 009
Time constant for IR 002, IR 004, IR 006, and IR 008
Time constant for IR 001, IR 003, IR 005, IR 007, and IR 009
Default:
0000 (10 ms for each)
DM 6621 to DM 6625
Содержание SRM1 - PROGRAMING 02-2001
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Страница 2: ...CPM1 CPM1A CPM2A CPM2C SRM1 V2 Programmable Controllers Programming Manual Revised February 2008 ...
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