Carmanah G Series User Manual page 30

Related functions within the Input/Output terminal block are grouped together:
INPT+
INPT−
OUT1
OUT2
DC+
DC−
DC−
SWDC+
Due to the diversity of devices that can be connected at the Input/Output terminal block, the
label's wire color assignments aren't correct for every installation scenario.
The push button input (INPT+, INPT-) is not a dry contact type. There is always 12-15VDC
present between these terminals, regardless of input configuration (NO, NC, or Button, see
Section 6.1). When connecting input devices other than standard traffic push buttons,
consideration must be given to electrical compatibility. Failure to isolate input signals
operating at different voltages or connection of devices that are designed to operate in a
different voltage range could result in poor performance or equipment damage. Please
contact Carmanah for additional support on connection of non-standard input devices.
The voltage available at the OUT2 terminal changes depending on the current flowing through
OUT2. The voltage available at OUT2 can be approximated by the formula:
Where:
For proper load operation, ensure there is sufficient voltage available at the OUT2 terminal to
operate the load at its rated current when battery voltage is 11.7V (the LVD threshold). It is
recommended that you contact Carmanah for assistance with custom I/O applications.
Carmanah Technologies Corp. | 250 Bay St, Victoria, BC V9A 3K5, Canada | 1.250.380.0052 |
These are the hardware push button or switch inputs that are referenced in the INPT
(Input) section of the user interface instructions. Multiple connections are made in
parallel. For information on configuring the behaviour of the INPT terminals, see
Type in Section 6.1.
Used for Applied Information time switches only. Pulsed signaling information appears
on this terminal to provide alarm monitoring. References to DC−. As long as pulses are
present, no fault is triggered. The left-hand side of the OUT1 terminal is pre-wired to
the AI harness at time of manufacture.
12 volts DC is present when the fixtures are flashing. The 12 volts is referenced to
DC−, which is the battery negative terminal. See note below regarding OUT2 load
voltage and current considerations. For information on configuring, see
in Section 6.1.
The DC+ / DC− terminals provide 12V battery power for devices such as third-party
time switches.
The DC− terminal is jumpered to the DC− terminal above.
Wired to output of DC solid state relay for units with optional DC Relay Kit, see
5.7 DC Relay Kit.
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3.0 SOLAR PANEL AND CABINET INSTALLATION
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customerservice@carmanah.com
G SERIES USER MANUAL
Digital Output
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Input
Section
30