A&D Weighing AD-4406 - Manual (Page 46)

Page 44 AD-4406 Weighing Indicator
13. RS-232C Interface (OP-04, OP-05, OP-08)
RS-232C Interface (OP-04, OP-05, OP-08) RS-232C Interface (OP-04, OP-05, OP-08) RS-232C Interface (OP-04, OP-05, OP-08)
13.1. 13.1. 13.1. 13.1. Specifications Specifications Specifications Specifications
Transmission Asynchronous, bi-directional, half-duplex
Baud rate 600, 1200, 2400, 4800, 9600 bps
Data bits 7 bits, 8 bits
Parity bits 1 bit, Even or Odd (for 7 data bits) or Non parity (for 8 data bits)
Start bit 1 bit
Stop bit 1 bit
Code ASCII
Terminator CR LF, CR (CR: 0Dh, LF: 0Ah)
Connector D-sub 9 pin connector
Circuit and Pin Connection
Pin No. Signal name Direction Description
2 TXD Output Transmit data
3 RXD Input Received data
5 SG - Signal ground
6 DSR Output Data set ready
7 RTS
8 CTS
- Pin 7 is connected to pin 8
Other Not used
Case Shield
Bit Format
data 7 bits
data 8 bits
13. RS-232C Interface (OP-04, OP-05, OP-08)
8
9
(male contact)