Chapter 5: Technical data, interfaces, and accessories
32
5
3
2
1
4
6
7
8
9
Standard ITB-scales are fitted with one voltage interface according to EIA RS-232C/
DIN 66020 (CCITT V24/V.28, maximum cable length 50 ft /15 m).
The illustration at left shows the numbering of the individual pins (looking onto the
socket). The pin designations for the different interfaces are shown in the
following tables.
Standard interface
Interface type:
RS232C
Pin 1
VCC
Pin 2
TxD 1
Pin 3
RxD 1
Pin 4
Not available for connection
Pin 5
GND
Pin 6
Not available for connection
Pin 7
Not available for connection
Pin 8
Not available for connection
Pin 9
VCC
TxD: transmit data RxD: receive data GND: signal ground VCC: supply v5V
5.3
RS232C interface