Mitsubishi Electric FX3G SERIES Programming Manual page 846

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
Number and name
Pulse width/Pulse period measurement [FX
*1
Lower [X000] Ring counter value for rising edge
D 8074
*1
Upper
D 8075
*1
Lower [X000] Ring counter value for falling edge
D 8076
*1
Upper
D 8077
*1
Lower [X000] Pulse width/Pulse period
D 8078
*1
Upper
D 8079
*1
Lower [X001] Ring counter value for rising edge
D 8080
*1
Upper
D 8081
*1
Lower [X001] Ring counter value for falling edge
D 8082
*1
Upper
D 8083
*1
Lower [X001] Pulse width/Pulse period
D 8084
*1
Upper
D 8085
*1
Lower [X003] Ring counter value for rising edge
D 8086
*1
Upper
D 8087
*1
Lower [X003] Ring counter value for falling edge
D 8088
*1
Upper
D 8089
*1
Lower [X003] Pulse width/Pulse period
D 8090
*1
Upper
D 8091
*1
Lower [X004] Ring counter value for rising edge
D 8092
*1
Upper
D 8093
*1
Lower [X004] Ring counter value for falling edge
D 8094
*1
Upper
D 8095
*1
Lower [X004] Pulse width/Pulse period
D 8096
*1
Upper
D 8097
D 8098 Not used
*1. Cleared when PLC switches from STOP to RUN.
*2. Available in Ver. 1.10 or later.
High-Speed Ring Counter
Up-operation high-speed ring counter of 0 to 32,767 (in
D 8099
units of 0.1ms, 16-bit)
[D]8100 Not used
*3. For FX
2N
M8099 is ON.
For FX
3U
844
Content of register
PLCs ]
3G
(1/6 μs unit)
(1/6 μs unit)
(10 μs unit)
(1/6 μs unit)
(1/6 μs unit)
(10 μs unit)
(1/6 μs unit)
(1/6 μs unit)
(10 μs unit)
(1/6 μs unit)
(1/6 μs unit)
(10 μs unit)
*3
/FX , 0.1ms high-speed ring counter D8099 will operate after END instruction is executed while
2NC
/FX , 0.1ms high-speed ring counter D8099 will operate after M8099 turns ON.
3UC
37 Operation of Special Devices (M8000 -, D8000 -)
37.1 Special Device List (M8000 -, D8000 -)
Applicable model
Correspond-
FX FX FX ing special
3G 3U 3UC
device
– –
*2
– –
– –
M8076
*2
M8080
– –
– –
*2
– –
– –
*2
– –
– –
M8077
*2
M8081
– –
– –
*2
– –
– –
*2
– –
– –
M8078
*2
M8082
– –
– –
*2
– –
– –
*2
– –
– –
M8079
*2
M8083
– –
– –
*2
– –
– – – –
– M8099
– – – –
FX FX FX FX FX
1S 1N 2N 1NC 2NC
– – – – –
– – – – –
– – – – –
– – – – –
– – – – –
– – – – –
– – – – –
– – – – –
– – – – –
– – – – –
– – – – –
– – – – –
– – – – –
– – – – –
– – – – –
– – – – –
– – – – –
– – – – –
– – – – –
– – – – –
– – – – –
– – – – –
– – – – –
– – – – –
– – – – –
– – –
– – – – –