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8 ACCESSIBLE DEVICES AND RANGES
MELSOFT
8.12 For Modem Communication
This section explains the accessible devices and accessible ranges for modem
communication.
8.12.1 Accessible devices
The following table indicates the accessible devices for modem communication.
Access Target
Device
(Device Name)
A1N
A0J2H
A1S(-S1)
A1SH
A1SJ(H)
A2C(J)
A2N(-S1)
A2S(-S1)
A2SH(-S1)
A1FX
A2A(-S1)
A2U(-S1)
A2US(-S1)
A2AS
(-S1/-S30)
A2USH-S1
Q02(H)-A
Q06H-A
A3N
A3A
A3U
A4U
Q2A(-S1)
Q2AS(-S1)
Q2ASH(-S1)
Q3A
Q4A
Q4AR
Q00J
Q00
Q01
Q02(H)
Q06H
Q12H
Q25H
Q12PH
Q25PH
FX0(S)
FX0N
FX1
FX1S
FX1N(C)
FX2(C)
FX2N(C)
A171SH
A172SH
A173UH
(-S1)
A273UH(-S3)
Function input (FX)
Function output (FY)
Function register (FD)
Special relay (SM)
Special register (SD)
Input relay (X)
1
Output relay (Y)
1
Internal relay (M)
1
Latch relay (L)
Annunciator (F)
Edge relay (V)
Link relay (B)
Data register (D)
1
Link register (W)
Contact (TS)
1
Coil (TC)
1
Timer
Present value
1
(TN)
Contact (CS)
1
Coil (CC)
1
Counter
Present value
1
(CN)
Contact (SS)
Retentive
Coil (SC)
timer
Present value
(SN)
Link special relay (SB)
Link special register (SW)
Step relay (S)
1
Direct input (DX)
Direct output (DY)
Accumulator (A)
(Z)
1 2
Index register
(V)
1 2
(R)
4
3
File register
(ZR)
4
1: Only the FX1S, FX1N, FX1NC, FX2N or FX2NC can be used.
2: WriteDeviceBlock or WriteDeviceBlock2 cannot be used to write data to 2 or more points consecutively. (Data can be written to one
point only.)
3: When specifying the file register, specify the data register (D).
4: Disabled for use of Q00JCPU
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