Basic SFC Functions
4-4. 【OR】,【ORI】
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Mnemonic Function Format and Devices
OR
(OR)
Parallel connection of
NO (Normally Open)
contacts
Devices: X, Y, M, S, T, C, Dn.m, FDn.m
ORI
(OR Inverse)
Parallel connection of
NC (Normally Closed)
contacts
Devices: X, Y, M, S, T, C, Dn.m, FDn.m
Program
Mnemonic
and
Function
Description
z Use the OR and ORI instructions for parallel connection of contacts.
To connect a block that contains more than one contact connected in
series to another circuit block in parallel, use an ORB instruction.
z OR and ORI start from the instruction’s step, parallel connect with the
LD and LDI instruction’s step said before. There is no limit for the
parallel connect times.
LD X5
OR X6
OR M11
OUT Y6
LDI Y6
AND M4
OR M12
ANI X7
OR M13