Direct Wiring; Figure 32 Alarm Panels On Rs485 Bus - Direct Wiring - Thrane&Thrane SAILOR TT-3000E mini-C GMDSS System Installation Manual

TT-3000E mini-C GMDSS System
A setup as shown in Figure 31 can be made using
commercially available DeviceNet® cable components. For
more information on this solution please refer to Appendix D.
4.4.7.2 D
IRECT WIRING
Another kind of wiring is the one shown in Figure 32. There
are two pins for each signal in the DSUB9 connectors, thus
soldering of each wire in the cable can be performed in a
robust manner, provided the cable is not too thick.
TT-3616C
J302
Data-
Data+
+9V
GND
The following pins are internally connected in AP50XX: 1-2, 3-7, 4-5 & 8-9.
Pin 6 are internally connected to pin 5 via a termination resistor of 120 Ω -150 Ω.
Figure 32 Alarm panels on RS485 bus – direct wiring
Connect to
AP50xx
6
Shield
4 5
3 7
8 9
1 2
Male
DSUB9
Connect to
AP50xx
6
Shield
4 5
3 7
8 9
1 2
Male
DSUB9
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Installation Manual
Connect to
AP50xx
6
Data -
4 5
Data +
3 7
+9V
8 9
GND
1 2
Male
DSUB9
Connect to
AP50xx
6
Data -
4 5
Data +
3 7
+9V
8 9
GND
1 2
Male
DSUB9
Connect to
AP50xx
6
Data -
4 5
Data +
3 7
+9V
8 9
GND
1 2
Male
DSUB9
Strap activates
internal termination
resistor