User`s guide

5-2 Electrical and Mechanical Interfaces
PLCTA-20 Adapter Board Layout
Figure 5.1 shows the layout of the PLCTA-20 adapter models 74401, 74402, 74403,
and 74404. Model 74404 (TP-RS485) includes jumpers that must be configured to
set the correct speed on the RS-485 channel (figure 5.2).
Figure 5.1 PCLTA-20 Models 74401-74404 Mechanical Layout and Interfaces
XID3
XID4
XID2
XID1
XID0
1
JP1
JP2
JP3
XID3
XID4
XID2
XID1
XID0
1
JP1 JP
2
JP3
XID3
XID4
XID2
XID1
XID0
1
JP1 JP2 JP3
XID3
XID4
XID2
XID1
XID0
1
JP1 JP2
JP3
TP/RS485-39
ID = 5 (default)
TP/RS485-78
ID = 12
TP/RS485-625
ID = 10
TP/RS485-1250
ID = 11
Figure 5.2 PCLTA-20 TP-RS485 Jumper Settings