Mitsubishi FX3UC SERIES User Manual page 440

FX Series Programmable Controllers
3UC
User's Manual - Hardware Edition
Number and
Content of register
name
*1
Sampling Trace
[D]8074
[D]8075
[D]8076
[D]8077
[D]8078
[D]8079
[D]8080
[D]8081
[D]8082
[D]8083
[D]8084
These devices are occupied by the
[D]8085
PLC system when the sampling
[D]8086
trace function is used in the
[D]8087
personal computer
[D]8088
[D]8089
[D]8090
[D]8091
[D]8092
[D]8093
[D]8094
[D]8095
[D]8096
[D]8097
[D]8098
*1. The sampling trace devices are used by peripheral
equipment.
High Speed Ring Counter
Up-operation
counter of 0 to 32,767 (in units of
D 8099
0.1ms, 16-bit)
[D]8100 Not used
*2. 0.1ms high speed ring counter D8099 will operate after
M8099 turns ON.
Memory Information
[D]8101
1 6
PLC type and
system version
FX
3UC
2...... 2K steps
4...... 4K steps
[D]8102 8...... 8K steps
16.... 16K steps
64.... 64K steps
[D]8103
[D]8104
Not used
[D]8105
[D]8106
[D]8107 Number of registered device comments
Number of special function units/
[D]8108
blocks connected
434
*1
.
high speed ring
*2
BCD converted
1 0 0
value
Version 1.00
C Operation of Special Devices (M8000 -, D8000 -)
Correspond-
Number and
ing special
name
device
Output Refresh Error
[D]8109
[D]8110 to [D]8119 Not used
RS (FNC 80) and Computer Link [ch1]
*3
D 8120
*3
D 8121
*4
[D]8122
*4
[D]8123
M8075 to
D 8124
M8079
D 8125
[D]8126
D 8127
D 8128
*3
D 8129
*3. Latch (battery backed) device
*4. Cleared when PLC switches from RUN to STOP.
M8099
–
–
–
–
–
–
–
M8107
–
C-2 Special Data Register (D8000 to D8511)
Content of register
Y number where output refresh
error occurs
RS (FNC 80) instruction and
computer link [ch1]
Communication format setting
Computer link [ch1]
Station number setting
RS (FNC 80) instruction:
Remaining points of transmit data
RS (FNC 80) instruction:
Monitoring receive data points
RS (FNC 80) instruction:
Header <Default: STX>
RS (FNC 80) instruction:
Terminator <Default: ETX>
Not used
Computer link [ch1]
Specification of on-demand head
device register
Computer link [ch1]
Specification of on-demand data
length register
RS (FNC 80) instruction, computer
link [ch1]
Time-out time setting
Correspond-
ing special
device
M8109
–
–
–
M8122
M8123
–
–
–
M8126 to
M8129