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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
Memory Information
[D]8101
PLC type and
system version
26 16 16 – –––––
[D]8102
2....... 2K steps
4....... 4K steps
8....... 8K steps
16..... 16K steps
32..... 32K steps
64..... 64K steps
3
32
3
16
*1
64
3
16
*1
64
–
3
2
3
8
3
4
8
16
3
8
3
4
8
16
[D]8103 Not used
– – – – –––– –
[D]8104 Identity code for function extension memory
– – –
M8104
––
3
*2
–
3
*2
[D]8105
Version of function extension memory
(Version 1.00 = 100)
– – –––
3
*2
–
3
*2
[D]8106 Not used – – – – –––– –
[D]8107 Number of registered device comments
– 3 3 M8107–––– –
[D]8108 Number of special function units/blocks connected
3 3 3 – –––––
*1. When loading FX3U-FLROM-16
*2. Available in Ver. 3.00 or later
Output Refresh Error (Refer to Chapter 38 for details.)
[D]8109 Y number where output refresh error occurs
3 3 3 M8109 – – 3 – 3
[D]8110
Not used
– – – – –––– –
[D]8111
– – – – –––– –
Expansion Board Dedicated to FX1S and FX1N
[D]8112 FX1N-2AD-BD: Digital value of ch1 – – – M8112 33–––
[D]8113 FX
1N-2AD-BD: Digital value of ch2 – – – M8113 33–––
D 8114 FX
1N-1DA-BD: Digital value to be output – – – M8114 33–––
[D]8115 to [D]8119 Not used
– – – – –––– –
RS (FNC 80) and Computer Link [ch1] (Refer to Data Communication Edition for details.)
D 8120
*3
RS (FNC 80) instruction and computer link [ch1]
Communication format setting
3 3 3 – 3333 3
D 8121
*3
Computer link [ch1] Station number setting 3 3 3 – 3333 3
[D]8122
*4
RS (FNC 80) instruction:
Remaining points of transmit data
3 3 3 M8122 33333
[D]8123
*4
RS (FNC 80) instruction:
Monitoring receive data points
3 3 3 M8123 33333
D 8124 RS (FNC 80) instruction: Header <Default: STX>
3 3 3 – 3333 3
D 8125 RS (FNC 80) instruction: Terminator <Default: ETX>
3 3 3 – 3333 3
[D]8126 Not used
– – – – –––– –
D 8127
Computer link [ch1]
Specification of on-demand head device register
3 3 3
M8126 to
M8129
3333 3
D 8128
Computer link [ch1]
Specification of on-demand data length register
3 3 333333
D 8129
*3
RS (FNC 80) instruction, computer link [ch1]
Time-out time setting
3 3 333333
*3. Latch (battery or EEPROM backed) device. For details on backup against power failure, refer to Section 2.6.
*4. Cleared when the PLC switches from RUN to STOP.
Number and name Content of register
Applicable model
FX
3G
FX
3U
FX
3UC
Correspond-
ing special
device
FX
1S
FX
1N
FX
2N
FX
1NC
FX
2NC
BCD converted value1 6 1 0 0
Indicated
on the right
Version 1.00