Connections md-63 profibus, Line connection, Connections cable types – Westermo MD-63 Profibus User Manual
Page 6: Connection example, 24awg)
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Connections MD-63 Profibus
MD-63 Profibus is specially developed for communi-
cation to units communicating with Profibus-DP or
FMS. The connection is easily made via a Profibus
cable connected to the 9-position D-sub on the unit.
Possibility to connect to a 9-position screw block is
also available.
1
2
3
4
5
6
7
8
9
Line connection
Connections
Cable types
Designation
9-pos D-sub
9-pos screw block
Description
T/R-P
38
Line connection – P
T/R-N
8
7
Line connection – N
VP
6
9
+5V supply
DGND
5
6
Signal ground
Designation
Impedance
Capacity
Resistance
Conductor area
Cable type A
135–165
Ω
(3–20MHz)
<30pF/m
<110
Ω
/km
≥0,34 mm
2
(22AWG)
Cable type B
100–130
Ω
(>100kHz)
<60pF7m
–
≥0,22 mm
2
(24AWG)
Connection example
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
Profibus-DP/FMS
Profibus DP/FMS
Connection to 9-pos D-sub
Connection to screw block