Overview Of Communication Functions; Plc Link Functions (Mewnet-W0); Mewtocol Master/Slave Communication - Panasonic FP7 Series User Manual

1.2 Overview of Communication Functions

1.2.1 PLC Link Functions (MEWNET-W0)

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Overview of function
● A system can be configured for the PLC link (MEWNET-W0).
● Exclusive internal relays "link relays (L)" and data registers "link registers (LD)" are shared
between the connected PLCs.
● Among up to 16 PLCs, data can be exchanged with 1,008 link relay points and 128 link
register words.
(Unit No. 1)
Send area
Receive area
PLC
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Applications of PLC Link Functions (MEWNET-W0)
Among our FP series PLC, it can be used for link functions with the following models. It is also
capable of 1:1 communication via RS-232C port.
● FP0H (Using communication cassette RS-485 type)
● FP-X0 (L40MR / L60MR)
● FP0R (RS-485 type)
● FPsigma (communication cassette RS-485 type is used)
● FP-X (Using Communication cassette RS-485 type)
● FP2 Multi Communication Unit (Using Communication cassette RS-485 type)

1.2.2 MEWTOCOL Master/Slave Communication

■
Overview of function
● Execute communication using MEWTOCOL-COM, a communication protocol used by our
PLC.
● In master communication, PLC executes communication by sending commands to devices
that support MEWTOCOL, and receiving responses. Messages in accordance with the
WUME-FP7COM-07
(Unit No. 2)
No.1
Receive area
No.2
Send area
No.3
Receive area
PLC

1.2 Overview of Communication Functions

(Unit No. 3)
No.1
Receive area
No.2
No.3
Send area
PLC
RS-485
(Unit No. 4)
No.1
No.2
Receive area
No.3
PLC
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