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LOGO!Soft Comfort Online Help
Operating Instructions, 11/2017
117
Note
Address Type:
I: input
AI: analog input
Q: output
M: M flag
V: variable bit memory
VW: variable word memory
AQ: analog output
AM: analog M flag
Local address + Data length
- 1 ≤ 850
The table below describes the range and local address restrictions of client connection.
Write requests
:
Local address (LOGO!)
Remote address (Modbus compatible device)
Address Type
Range
Address Type
Range
I
Q
M
V
1 - 24 bit
1 - 20 bit
1 - 64 bit
0.0 - 850.7 bit
Coil
1 to 65535 bit
VW
AQ
AM
AI
0 - 850 word
1 - 8 word
1 - 64 word
1 - 8 word
Holding Register
(HR)
1 to 65535 word
Note
The values should follow the rule: Local address + Data length
- 1 ≤ Max value of Local
address type.
2.8.5.38
Tools -> Parameter VM Mapping (0BA7 and later versions only)
VM overview
LOGO! Base Module uses VM (Variable Memory) as a local data communication interface
for data exchange by means of connections/data-transfer configuration.
You can use LOGO!Soft Comfort with the Ethernet connections menu command following
instructions in the Tools -> Ethernet Connections (0BA7 and later versions only) (Page 109)
section to construct the network topology.
117


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