Alarm Connection - OSD NETWORKS OSD2258EP Operator's Manual

2.2.5

ALARM CONNECTION

The OSD2258EP has two monitoring alarm outputs: 1) Ring to Bus Alarm and 2)
Temperature Alarm. The alarm connections and conditions for alarm outputs are as set out in
Table 3. There are four pins on the 3.5mm terminal block used alarm output. Maximum
ratings the OSD2258EP relay can drive is 100mA @ 46V
polarity.
Alarm
Output
Open
Closed
*Note: Bus alarm is only triggered after a ring connection is established.
PAGE 12
TABLE 3: ALARM CONNECTIONS
Alarm 1
Ring /Bus Status
Ring
Bus*
FIGURE 5: ALARM OUTPUTS
OSD2258EP
FIGURE 6: CONTACT CLOSURE OUTPUT
OSD2258EP Operator Manual
. Note: Alarm output has no
(max)
Alarm 2
Temperature
Less than 80C
Higher than 80C
Alm1
Alm2
10119802