Excell FDH3-W User Manual

EXCELL PRECISION CO., LTD.
0201813X ZSME300000366
23
Appendix 1 Option Card Description
RS232 Output
1. Weighing scale (AW, HW, FD, RW, TW)
RS232 card’s 6PIN cable connect to CN3 of mainboard
SCALE
RS232
PRINTER
SCALE
PC
DB 9 (female)
DB 9 (female)
DB 9 (female)
DB 9 (male)
2 TX

3 RX
2 TX

2 RX
3 RX

2 TX
3 RX

3 TX
5 GND

5 GND
5 GND

5 GND
 Please refer to F5 function settings for transmission mode, baud rate setting and data
format.
Relay Output
Principle of Relay operation
Use checkweighing pre-set key (TW, AW) or though F4 from the menu (TW, AW, RW,
HW) to get in checkweighing mode to set the HIGH and LOW limit points. Between HIGH and
LOW limits are OK range.
If the weight is below LOW limit, the data will output in LOW port;
If the weight is between HIGH and LOW limits (OK range), the data will output in OK port;
If the weight is above HIGH limit, the data will output in HIGH port
 Please refer to the operation of Pre-set key and F4 function.
Weighing scale (AW, HW, FD, RW, TW)
1. PIN definition
PIN 1  OK output
PIN 2  High output
PIN 3  Low output
PIN 4  VDD
PIN 5  GND
PIN 6  COMMON
2. Connection
3. Power supply for Relay
The power supply for RELAY can be by an external power source or by the system itself.
 Externally power supply
PIN4, PIN5 connect to external power supply
J1, J2 OPEN
CN6
CN4

Excell FDH3-W Specifications

General

Brand	Excell
Model	FDH3-W
Category	Scales
Language	English