Mitsubishi FX1N Series Programming Manual

FX Series Programmable Controllers Execution Times And Instructional Hierarchy 7
7-15
7.6 Limits Of Instruction Usage
7.6.1 Instructions Which Can Only Be Used Once In The Main Program Area
The following instructions can only be used once in the main program area. For PLC
applicability please check either the detailed explanations of the instructions or the instruction
execution tables list earlier.
• Instructions which can only be used once are:
FNC 52 MTR FNC 60 IST FNC 70 TKY
FNC 57 PLSY FNC 61 SORT FNC 71 HKY
FNC 58 PWM FNC 62 ABSD FNC 72 DSW
FNC 59 PLSR FNC 63 INCD FNC 74 SEGL
FNC 68 ROTC FNC 75 ARWS
• Only one of either FNC 57 PLSY or FNC 59 PLSR can be programmed at once.
Both instructions can not be present in the same active program.
7.6.2 Instructions Which Are Not Suitable
For Use With 110V AC Input Units
When using 110V AC input units certain operations, functions and instructions are not
recommended for use due to long energize/de-energize (ON/OFF) times of the 110V input
devices.
• Program operations not recommended for use are:
- Interrupt routines
- High speed counters
• Instructions not recommended for use are:
FNC 51 REFF FNC 68 ROTC FNC 72 DSW
FNC 52 MTR FNC 70 TKY FNC 75 ARWS
FNC 56 SPD FNC 71 HKY
FX 1S
FX 1N FX 2N
FX 2NC
FX 1S
FX 1N FX 2N
FX 2NC

Mitsubishi FX1N Series Specifications

General

Programming Language	Ladder Logic
Output Type	Relay, Transistor
Operating Temperature	0 to 55°C
Power Supply	100-240V AC or 24V DC
Program Capacity	8K steps
Communication Ports	RS-422
Data Memory	8000 words
High-speed Counters	Up to 6 channels
Expansion Modules	Available
Pulse Output	2 points