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FX3S/FX3G/FX3GC/FX3U/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
37 Operation of Special Devices (M8000 -, D8000 -)
37.1 Special Device List (M8000 -, D8000 -)
Memory Information
[D]8101
PLC type and
system version
28 26 26 16 16 – –––––
[D]8102
Memory
capacity
2 ...... 2K steps
4 ...... 4K steps
8 ...... 8K steps
16 .... 16K steps
32 .... 32K steps
64 .... 64K steps
4
*1
32
32
16
*2
64
16
*2
64
–
2
8
8
4
8
16
4
8
16
[D]8103 Not used – – – – – – –––––
[D]8104 Identity code for function extension memory – – – – –
M8104
–––
*3
*3
[D]8105
Version of function extension memory
(Version 1.00 = 100)
– – – – ––––
*3
*3
[D]8106 Not used – – – – – – –––––
[D]8107 Number of registered device comments – – – M8107 – – – – –
[D]8108
Number of special function units/blocks
connected
– – –––––
*1. "4" is displayed even when the memory capacity is set to 16K steps in the parameter setting.
*2. When loading FX
3U-FLROM-16.
*3. 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 – M8109 – – –
[D]8110
Not used
– – – – – – –––––
[D]8111 – – – – – – –––––
Expansion Board Dedicated to FX1S/FX1N
[D]8112 FX1N-2AD-BD: Digital value of ch1 – – – – – M8112 –––
[D]8113 FX1N-2AD-BD: Digital value of ch2 – – – – – M8113 –––
D 8114 FX1N-1DA-BD: Digital value to be output – – – – – M8114 –––
[D]8115 to [D]8119 Not used
– – – – – – –––––
RS (FNC 80) and Computer Link [ch1] (Refer to Data Communication Edition for details.)
D 8120
*4
RS (FNC 80) instruction and computer link
[ch1]
Communication format setting
–
D 8121
*4
Computer link [ch1] Station number setting –
[D]8122
*5
RS (FNC 80) instruction:
Remaining points of transmit data
M8122
[D]8123
*5
RS (FNC 80) instruction:
Monitoring receive data points
M8123
D 8124
RS (FNC 80) instruction: Header
<Default: STX>
–
D 8125
RS (FNC 80) instruction: Terminator
<Default: ETX>
–
[D]8126 Not used – – – – – – –––––
D 8127
Computer link [ch1]
Specification of on-demand head device
register
M8126 to
M8129
D 8128
Computer link [ch1]
Specification of on-demand data length
register
D 8129
*4
RS (FNC 80) instruction, computer link [ch1]
Time-out time setting
*4. Latch (battery or EEPROM backed) device. For details on backup against power failure, refer to Section 2.6.
*5. Cleared when the PLC switches from RUN to STOP.
Number and
name
Content of register
Applicable model
FX
3S
FX
3G
FX
3GC
FX
3U
FX
3UC
Correspond-
ing special
device
FX
1S
FX
1N
FX
1NC
FX
2N
FX
2NC
1 6 1 0 0
Indicated
on the right
Version 1.00