9-Pin Serial Port Connector Pinouts; Figure 3-3 Alarm Inputs Connection; Figure 3-4 Alarm Output Connection - Honeywell HRDVS Reference Manual

HRDVS rear
alarm connector
Input 1
Input 2
Internal to HRDVS
Voltage Max = 5 VDC
100 mA max

9-Pin Serial Port Connector Pinouts

Rev 2.00
Figure 3-3 Alarm Inputs Connection
Inputs
To set NO/NC, see
1
Normally Open (NO).
If closed, alarm event is
detected.
2
4
Normally Closed (NC).
If open, alarm event is
detected.
3
External to HRDVS (Add this functionality yourself).
The HRDVS has one alarm output on the rear panel. Contact is always NO.
Figure 3-4 Alarm Output Connection
Output Normally Open (NO)
Internal to HRDVS External to HRDVS
The following table describes the 9-pin DTE connector pinouts for the HRDVS, RS-232C
Asynchronous serial port.
Pin # Name
1 DCD
2 RX
3 TX
4 DTR
5 Ground
6 DSR
7 RTS
8 CTS
9 RI
Setting Alarm Events, page 67.
5
6
Signal direction (DTE)
17
HRDVS Reference Guide
Document 900.0281
02/07