Filter
Top Products
CONTROL FEA TURES (continued)
5 --- 2
Optional Accessory 11BG – SOURCE AVAILABILITY SIGNAL
& PROGRAMMABLE ENGINE EXERCISER MODULE
2–line
display
3 buttons
connections
for source
availability
signal contacts
Figure 5–2. Accessory 11BG module (mounted behind operator interface and connected to the controller)
includes source availability signal contacts and a programmable engine exerciser.
Source Availability Signal Contacts
ThemoduleprovidesoneFormCcontacteachforthe
normal and emergency sources signal the acceptability of
the source assensed by the controller. The signal contacts
operate in conjunction with the Source Accepted lights on
the operator interface. Field wiring terminals are
provided as shown in Figure 5–3 and the wiring diagram.
Contact ratings:
2 amps @ 30 Vdc, 0.5 amp. @ 125 Vac resistive
SOURCE
AVAILABILITY SIGNALS
2 AMPS @ 30 VDC, resistive
0.5 AMP @125 VAC,resistive
contactsshownde–energized
Figure 5–3. Source availability signal contacts.
ProgrammableEngineExerciser
Themoduleincludesaprogrammableengineexerciser
that provides for weekly or biweekly operation. This
optional exercise timer may have to be turned on
(enabled) by setting the S1 DIP switch actuator 7 to off,
and S2 DIP switch actuator 5 to off. A backup battery
in
the controller (see page 4–2 and page 5–3) must be turned
on tomaintainthe settingsand toallowprogrammingwith
the normal and emergency power turned off (page 5–1).
Theprogrammableengineexerciserincorporatesa7day
or 14 day time base. Proper controller settings must be
made to determine whether or not the test will be done
with or without load transfer (S1 DIP switch actuator 8).
Seenextpageforinstructionsonsettingthetimer.
DIP Switch Settings in the Controller
(see page 4–2)
FUNCTION
S1 DIP
SWITCH
S2 DIP
SWITCH
Opt. Timer
Enabled
Actuator
7off
7
Actuator
5off
5
Opt. Timer
Disabled
Actuator
7off
7
Actuator
5on
5
Exercise
without
Load
Actuator
8off
8
Exercise
with
Load
Actuator
8on
8
Shaded DIP switches are standard factory settings.