Mitsubishi Q Series Programming Guide

APP -2 APP -2
A
PPENDICES
MELSEC-Q
APPENDIX 1.1 Special Relays (SM)
Compatible CPU
No. Name Content Description
Setting Side
(Setting
Timing)
Basic model QCPU
High Performance
model QCPU
Process CPU
Redundant CPU
Universal model QCPU
SM90
Step transition watch
dog timer START
(corresponds to SD90)
SM91
Step transition watch
dog timer START
(corresponds to SD91)
SM92
Step transition watch
dog timer START
(corresponds to SD92)
SM93
Step transition watch
dog timer START
(corresponds to SD93)
SM94
Step transition watch
dog timer START
(corresponds to SD94)
SM95
Step transition watch
dog timer START
(corresponds to SD95)
SM96
Step transition watch
dog timer START
(corresponds to SD96)
SM97
Step transition watch
dog timer START
(corresponds to SD97)
OFF: Not started
(Watch dog timer
reset)
ON : Started
(Watch dog timer
start)
Switched ON to begin the step
transition watch dog timer count.
Watch dog timer is reset when
switched OFF.
User
APP

Mitsubishi Q Series Specifications

General

I/O Points	Up to 4096 points
Communication	Ethernet, RS-232, RS-485
I/O Modules	Digital, Analog, Specialized
Programming Language	Function Block Diagram, Structured Text
Power Supply	24V DC, 100-240V AC
Operating Temperature	0°C to 55°C
Shock Resistance	147 m/s2 acceleration, 3 times in each of X, Y, and Z directions
Program Capacity	Up to 252K steps