Connection Instructions - Mitsubishi Electric M800VW Series Programming Manual

M800V/M80V Series PLC Programming Manual (1/2)
7 Basic Instructions

7.2 Connection Instructions

7.2 Connection Instructions
ANB, ORB: Ladder block series connections and parallel connections
Setting
Bit device
data
X Y M L F
Instruction symbol Execution condition
ANB
ORI
 Functions
ANB
 Performs an AND operation on block A and block B, and takes the resulting value as the operation result.
 The symbol for ANB is not the contact symbol, but rather is the connection symbol.
 When programming in the list mode, up to 7 instructions of ANB and ORB combined (8 blocks) can be used consecutively.
ORB
 Conducts an OR operation on block A and block B, and takes the resulting value as the operation result.
 ORB is used to perform parallel connections for ladder blocks with two or more contacts.
For ladder blocks with only one contact, use OR or ORI; there is no need for ORB in such cases.
[Ladder Mode]
X1
X0
0
X2 X3
X4
 The ORB symbol is not the contact symbol, but rather is the connection symbol.
 When programming in the list mode, up to 7 instructions of ANB and ORB combined (8 blocks) can be used consecutively.
IB-1501667-B
Usable devices
B SB T SM V T C
Block A
Block A
Block B
Y10
Con-
Word device
stant
D R/ZR W SW SD Z K
ANB
Block B
ORB
1 contact series
connections use OR or ORI.
[List Mode]
X0
0 LD
1 AND X1
X2
2 LD
3 AND X3
4 ORB
X4
5 OR
6 OUT Y10
126
Digit
Pointer designa- Index
tion
H P