Mitsubishi MELSEC-A A1SCPUC24-R2 User Manual page 77

(13) Mode setting switch
Mode Setting Switch Number
C
MODE
(14) Computer link LED
LED No.
0
1
2
3
0
1
4
2
3
4
5
5
6
7
8
6
9
10
7
8
9
10
Mode settings (factory setting: 0)
0
1
2
3
4
5
6 to E
F
Normal run
RUN Normal: ON
Error: OFF
Transmitting
SD
Flashes during data transmission
Receiving
RD
Flashes during data receive
Communications with programmable controller
CPU
CPU
Flashes during communications with
programmable controller CPU
Neutral
Transmission sequence initial state (waiting for
NEU
ENQ): ON
ENQ received: OFF
ACK
ACK After sending ACK: ON
After sending NAK: OFF
NAK
NAK After sending NAK: ON
After sending ACK: OFF
Result of programmable controller CPU
communications
C/N
Error: ON
Normal: OFF
Parity/Sum check error
P/S Error: ON
Normal: OFF
Protocol error
PRO Communications protocol error: ON
Normal: OFF
SIO error
SIO
Normal: OFF
51
Setting
Unusable
Protocol 1
Protocol 2
Protocol 3
Protocol 4
No-protocol or printer function
Unusable
Used for testing the independent
module
Description