EX-2001 NC RACER ZSME300000091
22
EXCELL PRECISION CO., LTD.
DATA OUT
REAR PANEL
1
2
3
4
5
9
8
7
6
4
3
2
1
8
9
7
6
5
CHAPTER 7 INTERFACES
7-1 OP-01 RS-422 & RS-485 INTERFACE
2
OP-01 RS-422 / RS-485
With this interface up to 10 indicators can be connected together and data transferred to a
host controller.
FUNC. 70 should be set to “ 1 ”
2
Connector pin assignment
Pin number
Function
1
T+ / DA
2
T - / DB
3
R+
4
R -
5 TRM
6
7
8
FG
9 RDB’
Remark:
♦
The host computer has a built-in terminator. The host computer does not have signal
ground (SG).
♦
When RS-422 is transferred to RS-485, Pin1, 3 (short) and Pin 2, 4 (open).
♦
When connecting the last EX-2001 indicator, the fifth Pin (TRM) and the ninth Pin
(RDB’) should be connected together.
REAR PANEL
DATA
OUT
