FP2/FP2SHSpecifications
10 − 10
10.3 Relays, Memory Areas and Constants
10.2 Relays, Memory Areas and Constants
Item Function
Numbering
FP2 FP2SH
Relay External input
relay
(X) Turn on or off based on external input. 2,048 points
(X0 to X127F)
8,192 points
(X0 to X511F)
External output
relay
(Y) Externally outputs on or off state. 2,048 points
(Y0 to Y127F)
8,192 points
(Y0 to Y511F)
Internal relay(R) (R) Relay which turns on or off only within pro- 4,048 points 14,192 points
(R0 to R886F)
Link relay
(* Note 1)
(L) This relay is a shared relay used for
MEWNET link system.
2,048 points
(L0 to L127F)
10,240 points
(L0 to L639F)
Timer (T)
(* Notes 1 and 2)
If a TM instruction has timed out, the con-
tact with the same number turns on.
1,024 points
(T0 to T999/
3,072 points
(T0 to T2999/
Counter (C) If a CT instruction has counted up, the
contact with the same number turn on.
Pulse relay (P) This relay is used to turn on only for one
scan duration programmed with the OT"
and OT# instructions.
1,024 points
(P0 to P63F)
2,048 points
(P0 to P127F)
Error alarm relay (E) If turned on while the unit is running, this
relay stores the history in a dedicated buff-
er. Program this relay so that it is turned
on at the time of abnormality.
2,048 points
(E0 to E2047)
Special internal
relay
(R) Relay which turns on or off based on spe-
cific conditions and is used as a flag.
176 points
(R9000 to
R910F)
176 points
(R9000 to
R910F)