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Chapter 5 External Device Interface
In order for the main unit to communicate with an external device, it is necessary to connect the two devices
by referring to the following.
5.1 Serial Interface
5.1.1 RS-232C
Protocol
Communication Distance
Type of connection
Control Code
Baud Rate
Data Type
Connector
5.1.2 RS-422/485
Protocol
Communication Distance
Type of connection
Control Code
Baud Rate
Data Type
Connector
5.1.3 COM1 Connector pin number and Signal name
Type
9Pin Female
*1 If VCC is required for an external device, connect pin 7(+ 5.0V) and pin 5(* 0.2A output).
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Items
Synch.
2400,4800,9600,19200,38400,57600,76800,115200 bps
Data Bit
Parity Bit
Stop Bit
Items
Synch.
2400,4800,9600,19200,38400,57600,76800,115200 bps
Data Bit
Parity Bit
Stop Bit
Pin No.
Signal
1
RDA(RD+)
2
RD(RxD)
3
SD(TxD)
4
RDB(RD-)
5
6
SDA(SD+)
7
VCC
8
N.C
9
SDB(SD-)
TOPR Series (Process Module) Hardware Manual
Contents
Full Duplex
Asynchronous
About 15M
1:1
ASCII Code or HEXA Code
7, 8 bit
NONE, ODD, EVEN Parity
1, 2 bit
DSUB 9pin
Contents
Full / Half Duplex
Asynchronous
About 500M
1:N (N ≤ 31)
ASCII Code or HEXA Code
7, 8 bit
NONE, ODD, EVEN Parity
1, 2 bit
DSUB 9pin
Direction
Input
RS-422/485 Receive Data(+)
Input
RS-232C Receive Data
Output
RS-232C Send Data
Input
RS-422/485 Receive Data(-)
SG
-
Signal Ground
Output
RS-422/485 Send Data(+)
*1
-
+5V, 0.2A
-
N.C
Output
RS-422/485 Send Data(-)
Description
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