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2 SYSTEM CONFIGURATION
(3) Devices applicable to ST programs only
In ST programs, the contacts, coils and present values of the timers and counters
are represented and used as individual devices.
The device representations and types of the contacts, coils and present values of
the timers and counters are as indicated below.
Classification Type
Device Representation
Timer contact
TS
Timer coil
TC
Retentive timer contact
STS
Retentive timer coil
STC
Counter contact
CS
Bit
Counter coil
CC
Timer present value
TN/T
Retentive timer present value
STN/ST
Internal user device
Word
Counter present value
CN/C
Examples of use
(1) [ST program]
[Equivalent list program]
M0: = TS0;
LD T0
OUT M0
(2) [ST program]
[Equivalent list program]
COUNTER_M(X0, CC20, 10);
LD X0
OUT C20 K10
For details of compatible instructions, refer to the following manual:
• MELSEC-Q/L Programming Manual (Common Instructions)
Содержание MELSEC L series
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