FX Series Programmable Controllers

Devices in Detail 4

4.10Counters

FX1S

FX1N

FX2N

FX2NC

Device Mnemonic: C

Purpose: Event driven delays

Alias: Counter(s)

C

Available forms: A driven coil sets internal PLC contacts (NO and NC contacts available). Various counter resolutions are possible including;

General/latched 16bit up counters - see page 4-20 General/latched 32bit bi-directional counters - see page 4-21

(The availability and use of all these counters is PLC specific - please check availability before use)

Devices numbered in: Decimal, i.e C0 to C9, C10 to C19

Further uses: None

Example device usage:

X1

C12

K345

X2

RST C12

Available devices:

 

 

 

 

 

 

 

 

 

Counter Resolution

FX1S

FX1N

FX2N

 

FX2NC

 

 

General 16bit up

16

16

100

 

 

 

counter

(C0 - 15)

(C0 - 15)

(C0 - 99)

 

 

 

 

 

 

 

 

 

Latched 16bit up

16

184

100

 

 

 

counter

(C16 - 31)

(C16 - 199)

(C100 - 199)

 

 

 

 

 

 

 

 

 

 

General 32bit

N/A

 

20

 

 

 

 

bi-directional counter

 

(C200 - 219)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Latched 32bit

N/A

 

15

 

 

 

 

bi-directional counter

 

(C220 - 234)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

High speed counters:

• For high speed counters please see page 4-22.

Setting ranges for counters:

16bit and 32bit up counters:1 to +32,767

32bit bi-directionalcounters: -2,147,483,648 to +2,147,483,647

4-19

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Mitsubishi Electronics FX1S manual Counters, High speed counters, Setting ranges for counters, Device Mnemonic C