10
English
Seriell RS
-
422/485 PCI Board
485
-
2W
485
-
4W
422
JP7:
S1 Terminator
Enable/Disable
S1
JP5: RS
-
422/485
Mode Setting
J4: S2
J3: S1
3.1
Layout
JP8:
S2 Terminator
Enable/Disable
S1:
JP1 RS
-
485TXD Control
JP3 Echo
J1:
Factory Use Only
S2:
JP2 RS
-
485TXD Control
JP4 Echo
S2
JP6: RS
-
422/485
Mode Setting
There are 2 sets of the jumpers to set the settings for port 1 (S1) and port 2 (S2)
respectively.
1.
Mode Selection Jumper:
JP5 for S1 and JP6 for S2
2.
Termination Resistor Enable/Disable Jumper:
JP7 for S1 and JP8 for S2
3.
Echo or No Echo Selection Jumper:
JP3 for S1 and JP4 for S2
4.
TXD Control Selection Jumper:
JP1 for S1 and JP2 for S2
3.2
Jumper Setting
JP5 for S1 Port
JP6 for S2 Port
485
-
2W
=
RS
-
485 Mode with 2
-
wire
(Default)
485
-
4W
=
RS
-
485 Mode with 4
-
wire
422
=
RS
-
422 Mode
1. Mode Setting for S1 and S2 Ports:
3.
Layout and Jumpersetting