FX1S-30MR-ES/UL MITSUBISHI, FX1S-30MR-ES/UL Datasheet - Page 131
![PLC, 16 IN, 14 RELAY OUT, 110V/2](/photos/21/27/212723/42419294_sml.jpg)
FX1S-30MR-ES/UL
Manufacturer Part Number
FX1S-30MR-ES/UL
Description
PLC, 16 IN, 14 RELAY OUT, 110V/2
Manufacturer
MITSUBISHI
Datasheet
1.FX1S-30MR-ESUL.pdf
(380 pages)
Specifications of FX1S-30MR-ES/UL
No. Of Analogue Inputs
16
No. Of Analogue Outputs
14
Ip/nema Rating
IP10
Approval Bodies
CE, CUL, UL
External Depth
49mm
External Length / Height
90mm
External Width
60mm
Mounting Type
Panel
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5.1.4
FX Series Programmable Controlers
IRET, EI, DI
(FNC 03, 04, 05)
General description of an interrupt routine:
An interrupt routine is a section of program which is, when triggered, operated immediately
interrupting the main program flow. Once the interrupt has been processed the main program
flow continues from where it was, just before the interrupt originally occurred.
Operation:
Interrupts are triggered by different input conditions, sometimes a direct input such as X0 is
used other times a timed interval e.g. 30 msec can be used. The availability of different
interrupt types and the number operational points for each PLC type are detailed on page 4-
12, Interrupt Pointers. To program and operate interrupt routines requires up to 3 dedicated
instructions (those detailed in this section) and an interrupt pointer.
Defining an interrupt routine:
An interrupt routine is specified between its own
unique interrupt pointer and the first occurrence of an
IRET instruction.
Interrupt routines are ALWAYS programmed after an
FEND instruction.
The IRET instruction may only be used within
interrupt routines.
IRET
FNC 03
(Interrupt
return)
EI
FNC 04
(Enable
interrupts)
DI
FNC 05
(Disable
interrupts)
I
(Interrupt
pointer)
Mnemonic
Forces the
program to return
from the active
interrupt routine
Enables interrupt
inputs to be pro-
cessed
Disables the
processing of
interrupt routines
Identifies the
beginning of an
interrupt routine
Function
N/A
Automatically returns to the main program step
which was being processed at the time of the
interrupt call.
N/A
Any interrupt input being activated after an EI
instruction and before FEND or DI instructions
will be processed immediately unless it has
been specifically disabled.
N/A
Any interrupt input being activated after a DI
instruction and before an EI instruction will be
stored until the next sequential EI instruction is
processed.
A 3 digit numeric code relating to the interrupt
type and operation.
Operands
D
Applied Instructions 5
IRET:
1 step
EI:
1 step
DI:
1 step
I
1 step
Program steps
5-9
:
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