User guide

2
12345 6
SW2
Pr ot ocol Sel ect
ON
12345 678 910
SW1
ON
DI P - - DI P 9 :
Ad d r e s s Se l e c t
120Ω termi nal resi stor is
connectedonRS485Bus
120Ω terminal resi stor i s
opened for RS485 bus
12345 678 910
ON
1234 5 678 910
ON
Figure 1
As shown in Figure 1, SW1 is used to set address of the P/T from 1 – 511. The
ID-CODE from DIP-9 to DIP-1 are equivalent to a 9-bit binary digit. DIP-9 is MSB
while DIP-1 is LSB. The state “ON” of each bit means 1 while “OFF” means 0.
Following table shows states of coding switches of some addresses.
P/T
Address
Status of ID-CODE
DIP1 DIP2 DIP3 DIP4 DIP5 DIP6 DIP7 DIP8 DIP9
1 ON OFF OFF OFF OFF OFF OFF OFF OFF
2 OFF ON OFF OFF OFF OFF OFF OFF OFF
3 ON ON OFF OFF OFF OFF OFF OFF OFF
4 OFF OFF ON OFF OFF OFF OFF OFF OFF
5 ON OFF ON OFF OFF OFF OFF OFF OFF
6 OFF ON ON OFF OFF OFF OFF OFF OFF
7 ON ON ON OFF OFF OFF OFF OFF OFF
8 OFF OFF OFF ON OFF OFF OFF OFF OFF
9 ON OFF OFF ON OFF OFF OFF OFF OFF
10 OFF ON OFF ON OFF OFF OFF OFF OFF
11 ON ON OFF ON OFF OFF OFF OFF OFF
12 OFF OFF ON ON OFF OFF OFF OFF OFF
13 ON OFF ON ON OFF OFF OFF OFF OFF
14 OFF ON ON ON OFF OFF OFF OFF OFF
15 ON ON ON ON OFF OFF OFF OFF OFF
16 OFF OFF OFF OFF ON OFF OFF OFF OFF
17 ON OFF OFF OFF ON OFF OFF OFF OFF
18 OFF ON OFF OFF ON OFF OFF OFF OFF
… … … … … … … … … …
511 ON ON ON ON ON ON ON ON ON
Table 1
For Example: