Mitsubishi FX1S Series User Manual

FX Series Programmable Controllers STL Programming 3
3-20
3.12 Advanced STL Use
STL programming can be enhanced by using the Initial State Applied Instruction. This
instruction has a mnemonic abbreviation of IST and a special function number of 60. When the
IST instruction is used an automatic assignment of state relays, special auxiliary relays (M
coils) is made. The IST instruction provides the user with a pre-formatted way of creating a
multi-mode program. The modes available are:
a) Automatic:
- Single step
- Single cycle
- Continuous
b) Manual:
- Operator controlled
- Zero return
More details on this instruction can be found on page 5-85.

Mitsubishi FX1S Series Specifications

General

Model	FX1S Series
I/O Points	10 to 30 points
Program Memory	2000 steps
Power Supply	AC
Communication	RS-422
Expansion	No expansion
Programming Language	Ladder Logic
Input Voltage	100-240V AC
Built-in High-Speed Counter	Up to 60 kHz (single-phase)
Weight	Approx. 0.3 kg
Dimensions	90 x 60 x 75 mm