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FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
37 Operation of Special Devices (M8000 -, D8000 -)
37.1 Special Device List (M8000 -, D8000 -)
31
FNC275-FNC279
Data
Transfer 3
32
FNC280-FNC289
High Speed
Processing 2
33
FNC290-FNC299
Extension File
Register
34
FNC300-FNC305
FX
3U
-CF-ADP
35
SFC•STL
Programming
36
Interrupt
Function
37
Special Device
38
Error Code
A
Version Up
Information
B
Execution Times
High Speed Counter Up/down Counter Counting Direction (Refer to Section 4.7 for details.)
M 8235 C235
When M8 is ON, the corresponding
C is changed to down mode.
• ON: Down count operation
• OFF: Up count operation
3 3 3 – 33333
M 8236 C236
3 3 3 – 33333
M 8237 C237
3 3 3 – 33333
M 8238 C238
3 3 3 – 33333
M 8239 C239 3 3 3 – 3333 3
M 8240 C240
3 3 3 – 33333
M 8241 C241
3 3 3 – 33333
M 8242 C242
3 3 3 – 33333
M 8243 C243 3 3 3 – 3333 3
M 8244 C244
3 3 3 – 33333
M 8245 C245
3 3 3 – 33333
High Speed Counter Up/down Counter Monitoring (Refer to Section 4.7 for details.)
[M]8246 C246
When C of 1-phase 2-input or 2-phase
2-input counter is in down mode, the
corresponding M8 turns ON.
• ON: Down count operation
• OFF: Up count operation
3 3 3 – 33333
[M]8247 C247
3 3 3 – 33333
[M]8248 C248
3 3 3 – 33333
[M]8249 C249
3 3 3 – 33333
[M]8250 C250 3 3 3 – 3333 3
[M]8251 C251
3 3 3 – 33333
[M]8252 C252
3 3 3 – 33333
[M]8253 C253
3 3 3 – 33333
[M]8254 C254 3 3 3 – 3333 3
[M]8255 C255
3 3 3 – 33333
[M]8256 to [M]8259 Not used
– – – – –––––
Analog Special Adapter [FX3U, FX3UC](Refer to Subsection 37.2.19 for applicability of each analog special adapter.)
M 8260 to M 8269
1st special adapter
*1
– 3
3
*2
– –––– –
M 8270 to M 8279
2nd special adapter
*1
– 3
3
*2
– –––– –
M 8280 to M 8289
3rd special adapter
*1
– 3
3
*2
– –––– –
M 8290 to M 8299
4th special adapter
*1
– 3
3
*2
– –––– –
Analog Special Adapter, Analog Expansion Board [FX3G]
(Refer to Subsection 37.2.18 for applicability of each analog special adapter.and analog expansion board)
M 8260 to M 8269
1st expansion board
*3
3
*6
– – – –––––
M 8270 to M 8279
2nd expansion board
*4*5
3
*6
– – – –––––
M 8280 to M 8289
1st special adapter
*1
3 – – – –––– –
M 8290 to M 8299
2nd special adapter
*1*5
3 – – – –––– –
*1. Count the number of connected analog special adapter from the main unit.
*2. Available in Ver. 1.20 or later.
*3. Expansion board connected to the BD connector of a 14-point or 24-point type main unit or the BD1
connector of a 40-point or 60-point type main unit.
*4. Expansion board connected to the BD2 connector of a 40-point or 60-point type main unit.
*5. Only a 40-point or 60-point type FX
3G PLC can be connected.
*6. Available in Ver. 1.10 or later.
Number and name Operation and function
Applicable model
FX
3G FX3U
FX
3UC
Correspond-
ing special
device
FX
1S
FX
1N
FX
2N
FX
1NC
FX
2NC