INSTALLATIONS
JP4, JP6: COM3/4 RS232 +5V/+12V Power Setting
JP4/JP6
Setting
Function
Pin 1-2
Short/Closed
+12V
Pin 3-4
Short/Closed
Normal
Pin 5-6
Short/Closed
+5V
JP7, JP8, JP9: RS232/422/485 (COM1) Selection
COM2, COM3, COM4 are fixed for RS-232 use only.
COM1 is selectable for RS232, RS-422 and RS-485.
The following table describes the jumper settings for COM1 selection.
COM1
Function
RS-232
RS-422
RS-485
Jumper
Setting
(pin closed)
JP7:
1-2
JP8:
3-5 & 4-6
JP9:
3-5 & 4-6
JP7:
3-4
JP8:
1-3 & 2-4
JP9:
1-3 & 2-4
JP7:
5-6
JP8:
1-3 & 2-4
JP9:
1-3 & 2-4
10
IB891 User’s Manual
Содержание IB891
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