Restrictions On The Combination Of Extension Cassettes; Restrictions On Communication Functions To Be Used - Panasonic FP7 Series User Manual

Overview

1.2.4 Restrictions on the Combination of Extension Cassettes

There are following restrictions depending on units and cassettes to be used.
Unit type
CPU Unit
Serial
Communication
Unit

1.2.5 Restrictions on Communication Functions to be Used

There are the following restrictions on functions to be used when using the SCU or ET-LAN
that is built in the CPU unit, or the serial communication unit (SCU).
Function to be used
PLC link function
MEWTOCOL-COM master
MODBUS-RTU master
MEWTOCOL-COM slave
MEWTOCOL7-COM slave
MODBUS-RTU slave
General-purpose
communication
1-6
Number of
Communication
attachable
cassettes
Max. 1 unit
Max. 2 units per
unit
Restrictions
Up to two communication ports can be used. For using two ports, allocate
different link areas to them.
SCU built-in the CPU unit (COM.1 port)
Serial communication unit (COM.1 port)
A maximum of 16 communication ports and the number of connections in
combination can be used simultaneously.
SCU built-in the CPU unit (COM.1 port to COM. 2 port)
Serial communication unit (COM.1 port to COM.4 port)
ET-LAN built-in the CPU unit (User connections 1 to 16)
A maximum of 15 communication ports and the number of connections in
combination can be used simultaneously.
SCU built-in the CPU unit (COM.1 port to COM. 2 port)
Serial communication unit (COM.1 port to COM.4 port)
ET-LAN built-in the CPU unit
(System connections 1 to 4 / User connections 1 to 16)
There is no restriction.
Attachable add-on cassettes
Communication
cassette
AFP7CCS*
AFP7CCET
AFP7CCM*
Attachable
Attachable Not attachable
Application
cassette cassette
AFP7FC*
Attachable Attachable
Not attachable