FX Series Programmable Controller Diagnostic Devices 6
6-16
6.10 Miscellaneous Devices
(M8100 to M8119 and D8100 to D8119)
6.11 Communication Adapter
Devices, i.e. 232ADP, 485ADP
(M8120 to M8129 and D8120 to D8129)
For symbol key see page 6-1.
Diagnostic
Device
Operation
Diagnostic
Device
Operation
D8102 (
7)
Memory
Capacity
0002: 2K steps (FX1S only)
0004: 4K steps (FX2N,FX2NC)
0008: 8K steps (FX1N,FX2N,FX2N)
0016: 16K steps (FX2N,FX2NC)
M8109 (7)
(Not FX1S,FX1N)
Output refresh error
D8109 (
7)
(Not FX1S,FX1N)
Output refresh error, lowest
device number; 0, 10, 20, etc.
Diagnostic
Device
Operation
Diagnostic
Device
Operation
M8120 Reserved D8120
Communications format
(RS instruction, Computer
link)
M8121(
7)(-R)
Data transmission delayed
(RS instruction)
D8121
Station number setting
(Computer link)
M8122 (-R)
Data transmission flag
(RS instruction)
D8122(
7)(-R)
Amount of remaining data to
be transmitted
(RS instruction)
M8123 (-R)
Finished receiving data
(RS instruction)
D8123(
7)(-R)
Amount of data already
received
(RS instruction)
M8124(
7)
Carrier detection flag
(RS instruction)
D8124 (-)
Data header, default STX
(02
H)
(RS instruction)
M8125 Reserved D8125 (-)
Data terminator, default ETX
(03
H)
(RS instruction)
M8126
Global flag
(Computer link)
D8126 Reserved
M8127 (-)
On Demand handshake flag
(Computer link)
D8127 (-)
On Demand head device
register
(Computer link)
M8128 (-)
On Demand error flag
(Computer link)
D8128 (-)
On Demand data length
register
(Computer link)
M8129 (-)
On Demand Byte/Word
change over
(Computer link),
Time out evaluation flag
(RS instruction)
D8129
Data network ‘time-out’ timer
value
(RS instruction, Computer
link)
FX1S
FX1N FX2N
FX2NC
FX
1S
FX1N FX2N
FX2NC
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