P
P
E
E
S
S
1
1
9
9
0
0
0
0
G
G
i
i
G
G
S
S
M
M
R
R
e
e
p
p
e
e
a
a
t
t
e
e
r
r
— Chapter 7. Connecting External Alarms
PES1900NR Operations Manual
106
User-Controlled Relay Outputs
The repeater also provides two user-controlled relay outputs, with Form-C contacts. These relays
respond to user commands through the RepeaterNet software, similar to those described above for
digital outputs. When the RepeaterNet software sets one of these relay switches to ON, the transistor
saturates, and energizes the relay. Figure 87 shows the relay in the energized or ON state.
Figure 87 Typical Relay Output
The maximum switching characteristics for each of the user-controlled relays are:
Maximum current
30 VDC @ 2 Amperes or 125 VAC @ 0.5 Ampere
Maximum switching voltage
220 VDC
•
Figure 88-A shows a circuit that uses user-controlled relay output number 2 to control a lamp
at the repeater site.
•
Figure 88-B shows a circuit that uses user-controlled relay output number 1 to control a fan
or blower at the repeater site.
Refer to the
“ACU Status Screen”
in RepeaterNet Craft, for instructions about activating the digital
outputs of a repeater.