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MILH/MILR/MILC
Instruction
MULTI-INTERLOCK
DIFFERENTIATION HOLD
MULTI-INTERLOCK
DIFFERENTIATION RELEASE
MULTI-INTERLOCK CLEAR
Symbol
Applicable Program Areas
Function block
Area
definitions
Usage
OK
Operands
Operand
N
Interlock number
D
Interlock status bit
N: Interlock Number
The interlock number must be between 0 and 15. Match the interlock number of the MILH(517) (or
MILR(518)) instruction with the same number in the corresponding MILC(519) instruction.
The interlock numbers can be used in any order.
D: Interlock Status Bit
• ON when the program section is not interlocked.
• OFF when the program section is interlocked.
When the interlock is engaged, the Interlock Status Bit can be force-set to release the interlock.
Conversely, when the interlock is not engaged, the Interlock Status Bit can be force-reset to engage the
interlock.
Operand Specifications
Word addresses
Area
CIO
WR
HR
AR
N
---
---
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D
OK
OK
OK
OK
Flags
Name
Error Flag
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Mnemonic
Variations
MILH
---
MILR
---
MILC
---
MILH
MILH(517)
N
D
N: Interlock Number
D: Interlock Status Bit
Block program areas
Step program areas
Not allowed
Not allowed
Description
T
C
DM
EM
---
---
---
---
---
Label
P_ER
OFF
Function
code
Interlocks all outputs between MILH(517) and
517
MILC(519) when the execution condition for
MILH(517) is OFF.
Interlocks all outputs between MILR(518) and
518
MILC(519) when the execution condition for
MILR(518) is OFF.
Indicates the end of a multi-interlock range by
519
means of an MILH or MILR instruction with the
same interlock number.
MILR
MILR(518)
N
D
N: Interlock Number
D: Interlock Status Bit
Subroutines
OK
Data type
--
BOOL
Indirect DM/EM
addresses
Con-
stants
@DM
*DM
DR
@EM
*EM
OK
---
---
---
---
Operation
3. Instructions
Function
MILC
MILC(519)
N
N: Interlock Number
SFC action or
Interrupt tasks
transition programs
OK
OK
Size
1
--
Registers
Flags
Pulse
bits
Indirect
IR
TK
CF
using IR
---
---
---
---
OK
3
TR
bits
---
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185
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