BILS-10003 rev E
23
Table 305-1
DB 9 serial communications port pin-outs **
Pin #
Description
1
N/A
2
TD – Transmit data
3
RD – Receive data
4
N/A
5
Signal Ground
6
N/A
7
N/A
8
N/A
9
N/A
** Not to exceed NEC Class 2 wiring methods
Table305- 2
User interface wiring connection block **
Terminal #
Description
1
Alarm on /
normally closed contact -
100ma 30Vac / 30Vdc
2
Alarm on /
common -
100ma 30Vac / 30Vdc
3
Alarm on /
normally open contact -
100ma 30Vac / 30Vdc
4
Inverter on /
normally open contact -
100ma 30Vac / 30Vdc
5
Inverter on /
common -
100ma 30Vac / 30Vdc
6
Inverter on /
normally closed contact
- 100ma 30Vac / 30Vdc
7
EPO
8
Remote On / Off
9
Isolated ground / return for pin 1
10
+12 vdc supply / 100ma
** Not to exceed NEC Class 2 wiring methods
EPO – connect terminal #7 to terminal #10 through customer supplied EPO contactor
Remote On / Off - connect terminal #8 to terminal #10 through customer supplied switch