Mitsubishi FX3U Series Programming Manual page 819

FX /FX Series Programmable Controllers
3U 3UC
Programming Manual - Basic & Applied Instruction Edition
Number and name
Stepladder and Annunciator
*1
[D]8040
ON state number 1
*1
[D]8041
ON state number 2
*1
[D]8042
ON state number 3
The smallest number out of active state ranging from
*1
[D]8043
S0 to S899 and S1000 to S4095
ON state number 4
and the second-smallest state number is stored in
D8041.
*1
[D]8044
Active state numbers are then sequentially stored in
ON state number 5
registers up to D8047 (Max. 8 points).
*1
[D]8045
ON state number 6
*1
[D]8046
ON state number 7
*1
[D]8047
ON state number 8
[D]8048 Not used
*1
When M8049 is ON, the smallest number out of
[D]8049
active annunciator relay ranging from S900 to S999
On state minimum
is stored in D8049.
number
[D]8050 to [D]8059 Not used
*1. Executed at END instruction.
*2. S1000 to S4095 are available only in FX
Error Detection (Refer to Chapter 37 for details.)
If the unit or block corresponding to a programmed
I/O number is not actually loaded, M8060 is set to ON
and the first device number of the erroneous block is
written to D8060.
Example: If X020 is unconnected.
[D]8060
1 0 2 0
[D]8061 Error code for PLC hardware error
[D]8062 Error code for PLC/PP communication error
[D]8063 Error code for serial communication error 1 [ch1]
[D]8064 Error code for parameter error
[D]8065 Error code for syntax error
[D]8066 Error code for ladder error
[D]8067 Error code for operation error
*3
Operation error step number latched
D 8068
*3
Error step number of M8065 to M8067
[D]8069
*3. Cleared when PLC switches from STOP to RUN.
*4. In case of 32K steps or more, step number is stored in [D8313, D8312].
*5. In case of 32K steps or more, step number is stored in [D8315, D8314].
Content of register
*2
is stored in D8040
/FX
3U
BCD converted value
Device number 10 to 337
1: Input X 0: Output Y
36 Operation of Special Devices (M8000 -, D8000 -)
36.1 Special Device List (M8000 -, D8000 -)
Applicable model
Correspond-
FX FX ing special FX
3U 3UC
device
M8047
– – –
M8049
– – –
PLCs.
3UC
M8060
M8061
M8062
M8063
M8064
M8065
M8066
M8067
*4 *4
M8068
M8065 to
*5 *5
M8067
FX FX FX FX
1S 1N 2N 1NC 2NC
– – – – –
– – –
– – – – –
– – –
– – –
817
31
32
33
34
35
36
37
A
B
C