Honeywell RS 485 Anleitung Seite 14

14
Item no. 026693
RS 485-interface
5-wire, potential separated
ST2
J7 J9 J8
1 1 1
3 3
3
DC/DC-converter
green
red
J6 J5
ST1
Jumper settings for item no. 026693 and 026840.09
J1, J2, J3, J4
J1, J2, J3, J4
J5, J6
Jumper settings for item no. 026693
J7
5-wire
position 2-3 position 1-2
Jumper settings for item no. 026840.09
J7,J8
5-wire
position 2-3 position 1-2
Mounting and Conection Instructions RS485/232/Current Loop Interfaces
J3
J4
J1
J2
green = receive data
red = transmit data
placed:
not placed:
J1 to J4 are only to be placed in the first and in the last
device of one bus-line!
All the remaining interface cards do not need placing the
jumpers.
not placed
3-wire 5-wire
open
3-wire
Item no. 026840.09
RS 485-interface
5-wire, potential separated
ST2
J7 J8
1 1
3 3
DC/DC-converter
J6 J5
ST1
157.00-80-01/05
terminating resistors placed
terminating resistors not placed
J8
3-wire
position 2-3
J3
J4
J1
J2
J9
5 wire: position 2-3
3 wire: position 1-2