Chapter 10 Function Cards
10-3
10.1 Introduction
Function cards are extension cards such as analog input/output (AI/AO) and communication cards for the AS Series
PLC.
10.2 Specification and Function
10.2.1 AS-F232
The AS Series PLC is built with COM1 (RS-485) and COM2 (RS-485) ports. You can use the AS-F232 extension card for
communication other interfaces such as RS-232, PC, and so on. Except for the communication interface, however, the
communication functions are the same as the built-in ones. You can set up the communication port as either a slave or a
master node. After installing the extension card, use HWCONFIG in ISPSoft to configure the communication.
Wiring example
DB9 male to DB9 female (standard cable)
AS-F232
(DB9 female)
+ +
Superior
machine
10.2.2 AS-F422
Use the AS-F422 extension card to communicate with Delta HMI devices or other devices that use an RS-422
communication port. Other than the different communication interface, the communication functions remain the same as
the built-in ones. You can set the communication port as either a slave or a master node. After installing the extension
card, use HWCONFIG in ISPSoft to configure the communication.
Wiring example for communication with Delta HMI DOPA series via COM2
3
4
1
2
6
7
8
9
COM2/DB-9
AS-F422
Delta HMI seriesDOPA
2
1
3
4
T+
T-
R+
R-
Rx+
Rx-
Tx+
Tx-
RTS-
RTS+
CTS+
CTS-
10.2.3 AS-F485
With its own standalone communication port, the AS-F485 card can work independently and can be either a slave or a
master node. After installing the extension card, use HWCONFIG in ISPSoft to configure the communication.
Wiring example
D+
D-
SG
D+ D- SG SG D+ D-
Master node
Slave node Slave node
Shielded
cable
Shielded
cable
Terminal
resistor
(120 ohm)
Terminal
resistor
(120 ohm)
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