The A103 Preset Timers are amazingly compact in size and low in cost,
with a full complement of popular features such as field programmable
Up or Down timing and Interval or ON-delay operation. The A103
series also includes matching indicators for count-totalizing, timing, and
rate metering, as well as preset-counter models. All are in a uniform 36
x 72 millimeters bezel size package, enhancing your control panel with
a family of devices that look and program alike.
A supertwist LCD display with thick 12mm (.47") high digits allows for
easy viewing at a glance and feature display-backlight capability by
simply connecting an external 12VDC supply.
Powered by an internal 3 volt battery, the A103's unique design has two
battery slots; this allows battery changeover without loss of memory.
Numerous types of inputs can be accepted giving you a totally selfcontained
system not requiring external power.
■ Matching totalizing counter, time and rate indicators, and presetcounters
available – look great together on a panel
■ SSR relay output – selectable Interval or ON-delay operation
■ High visibility 7-digit LCD display with backlighting capability standard
■ Long life 3 Volt lithium battery eliminates the need for external power
■ Accepts input signals from a variety of sources: Dry Contact, PNP or
NPN Sensors, Encoders
■ Programmable Up or Down timing
■ Resettable remotely or from the front panel
■ Programmable security of front panel reset button and preset entry
■ Option modules provide additional functionality and added convenience
– fast, easy installation
■ NEMA 4/IP65 rated front panel for use in washdown environments
The A103 Preset Timers are further enhanced by a series of quickattach
option modules. These can provide a power supply for sensors
and display backlighting, provision for high or low voltage AC or DC
timing signals, and mechanical relay output.
Start/Stop Input: NPN, Contact Closure; Accumulates time when connected
to common; Low State: < 1.0 VDC, High State: > 2.0 VDC (28VDC max)
Security Input: Allows access to panel reset and programming features
Remote Reset Input: NPN or Contact Closure to common; edge sensitive
Control Output: Isolated Photomos relay; 0.1 amp @ 30 VAC/DC, >50Ω on
resistance. Programmable Interval or ON-delay operation
Power Source: Single or dual 3V Lithium battery; typical 5 years life w/single
battery, 10 years w/dual batteries
Ranges & Resolution: Seconds, minutes to 1/10, hours to 1/10,
hours: minutes: seconds
Backlighting: Green Illumination over whole viewable area. Requires 10 to
28 VDC power source
Dimensions & Mounting: See dimensions figure. Panel Mount with
supplied mounting bracket and gasket
Connections: Screw terminals
Weight: Approximately 64 grams (2.25 ounces)
OPTION MODULE SPECIFICATIONS
Option modules accessories provide a convenient integrated solution to
applications that require AC or high-voltage DC signals, a mechanical
relay output, and/or a voltage source for use with external sensors or
the A103's display backlight feature. Specifications for each option
module feature follow, while specific combinations of features are listed
in the "Models" table, below.
AC Power Supply: Provides 10 - 20 VDC @ 50 mA for display backlighting
and/or sensor. Requires connection to 115 or 230 VAC, 50/60 Hz
Low Voltage Input: Allows A103 to accept 5 to 30 VAC or VDC as timing input
High Voltage Input: Allows A103 to accept 100 to 260 Volt AC/DC as timing input
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