XK3190-A28E
- 4 -
III. Serial Communication Interface and connection with scoreboard
(function optional)
Serial communication interface
（RS232）
Communication interface with RS232C, all data are ASCII, each data are 10 bits, the first one is starting bit, the 10
th
Is stop bit, and the middle eight are data bits, no parity bit.
1.
Connection mode
XK3190-A28E communication interface uses 5-pin socket (pin). Lead pin is defined as follows: pin 2 is for
RS232 receiving wire, pin3 is for RS232 transmitting wire, and pin 5 is for ground wire; For the scoreboard
interface also uses 5-pin socket(pin): pin 4 is for signal wire”-”, Pin 1 is for signal wire “+”, See Figure 2-6
for details.
Figure 2-6 Communication and large screen connection
2. Interface parameter
①
Signal: RS232C
②
Baud rate:1200/2400/4800/9600
▲
！
The connections of load cell and indicator must be reliable, and the shielded cable of load
cell must be reliably grounded. Connections lines can not be plugged and pulled out when the
indicator is under the Power-up Status in order to prevent indicator or load cell damaged by
static electricity.
▲
！
Since both load cell and indicator is static-sensitive device, anti-static measures must be
practically taken in the use, and welding or other strong-electric operations on weighing
platform are strictly prohibited. In the thunderstorm season, reliable lightning protection
measures must be taken to prevent lightning damaging the load cell and indicator and to
ensure the operator safety and the safe operation of weighing equipment and related
equipment.
