Option board for COMx serial communication TA5141-RS232I is equipped with 1 RS-232 serial
interface with handshake.
NOTICE!
Damage to the serial communication interface by using 5-pin terminal
block of the TA5101-4DI!
If the 5-pin terminal block of the TA5101-4DI option board is plugged into a
option board for COMx serial communication TA5141-RS232I, TA5142-RS485I
or TA5142-RS485, the communication interface will be damaged by the 24 V.
Please do not confuse the 5-pin terminal block of the TA5101-4DI with the 5-pin
terminal block for serial communication interface of TA5141-RS232I, TA5142-
RS485I or TA5142-RS485.
Table 33: TA5141-RS232I
Serial interface Pin Signal Description
1 RTS Request To Send
DCE is ready to accept data from the DTE
2 TxD Transmit data (output)
3 GND Common Ground
4 RxD Receive data (input)
5 CTS Clear To Send (input)
DCE is ready to accept data from the DTE
The maximum possible cable length of a serial connection subnet within a segment depends on
the transmission rate.
RS-232 for point-to-point connection:
Parameter Value
Transmission rate 9.6 kBit/s to 115.2 kBit/s
Maximum cable length On request
The arrangement of the parameter data is performed with Automation Builder software.
1. In the device tree, double-click the desired option board.
2. Select the “TA51xx Parameters” tab to edit the parameterization of the desired option
board.
Intended pur-
pose
Connections
Serial interfaces
Cable length
Parameteriza-
tion
Processor modules > AC500-eCo
2022/01/313ADR010278, 3, en_US76
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