GENERAL PURPOSE TIMER
SERIES 228
DESCRIPTION AND SPECIFICATIONS
Note the definition of inputs and outputs is based on the
associated wiring on the PCB. Hand
modification of the PCB can turn inputs into outputs if
necessary.
MECHANICAL
SIZE
14.4 L
x 7.3 W x 2.5H cm
5.6 x 2.9 x 1 in
POWER SUPPLY
INPUT
VOLTAGE 24V AC
(STANDARD)
12 OR 24V DC OPTIONAL
INPUTS (7)
5 DIGITAL
INPUTS, 5V DC CMOS LOGIC LEVELS
2 ANALOG
OR DIGITAL INPUTS 0-5V or 5V LOGIC
LEVELS
If
more than two independently adjustable timers
are
required one of these inputs will unavailable as
an
input for each additional timer which is required.
OUTPUTS (3)
#1 FORM C
(spdt) RELAY CONTACTS
#2 FORM C (spdt)
RELAY CONTACTS with fused common contact or,
power from the input can be internally connected via
fuses
to provide switched power as an output
#3 TWO FORM C (spdt) RELAY
CONTACTS
Any of the outputs can be
converted to either digital
or
open
collector if required.
All relay
contacts rated at 5A 277V AC or 30V
DC
1/8 HP 125 or 250V AC
TIMERS (2 to 4)
Each
timer is individually adjustable with a
potentiometer
and is
scaleable to cover any
range in 256 increments.
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