External device setup manual – IDEC High Performance Series User Manual
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Con
nection
to a PLC
External Device Setup Manual
2.5.7
MELSEC-Q/QnA (Link)
Bit Device
Device Name
Device Symbol
Address Range
Read
/Write
Address
Gradual
MICRO/I
PLC
Internal Relay
M
M
0 - 32767
R/W
Input Relay
X
X
0 - 1FFF
R
*1
*1. Set this device using hexadecimal.
Output Relay
Y
Y
0 - 1FFF
R/W
Link Special Relay
SB
SB
0 - 7FF
R/W
Link Relay
B
B
0 - 7FFF
R/W
Latch Relay
L
L
0 - 32767
R/W
Timer (contact)
TS
T
0 - 8191
R
Timer (coil)
TC
T
0 - 8191
R/W
Counter (contact)
CS
C
0 - 8191
R
Counter (coil)
CC
C
0 - 8191
R/W
Special Relay
SM
SM
0 - 2047
R
Annunciator
F
F
0 - 32767
R/W
Retentive Timer (contact)
SS
ST
0 - 2047
R
Retentive Timer (coil)
SC
ST
0 - 2047
R/W
Step Relay
S
S
0 - 32767
R/W
Edge Relay
V
V
0 - 32767
R/W
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