red lion COS1 User manual

red lion COS1 User manual
Bulletin No. COS1-B
Drawing No. LP0036
Revised 1/01
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MODEL COS1 - CLOCK OSCILLATOR, TURNS ANY RLC COUNTER
INTO A PRECISION TIME INDICATOR/CONTROL
O
DELIVERS CLOCK PULSES IN MINUTES OR SECONDS
O
PROGRAMMABLE IN 4 DECADE STEPS PROVIDING TIME
INCREMENTS OF 1, 0.1, 0.01 & 0.001
O
TIMING PULSE ACCURACY OF 0.01% (CRYSTAL CONTROLLED)
O
INHIBIT CONTROL INPUT FOR ACCURATE INTERRUPTION OF
TIME CYCLES
O
RESET CONTROL INPUT FOR ACCURATE TIMING STARTS
SYNCHRONIZED WITH COUNTER RESET
DESCRIPTION
SPECIFICATIONS
The Model COS1, Clock Oscillator provides a source of high accuracy clock
pulses that can be applied to the input of any RLC Totalizing or Preset Counter
to provide precision timing indication and control. Typical uses include
exposure control, intervalometer requirements, actuation delay measurement,
and many other applications.
The COS1 contains a crystal oscillator clock with a divider chain and a
binary controlled selector that allows selection of output pulses in time intervals
of 1, 0.1, 0.01 and 0.001 seconds. A divided by 60 (O60) divider supplies a
separate output to provide the same selection in minutes. Time interval
selection is accomplished by jumpers which pull “A” and “B” control inputs
low as shown in the block diagram. Other control inputs include:
1. PRIMARY SUPPLY POWER: 12 VDC ±15% @ 8 mA.
(Power supplied from counter being used, or from Accessory Power Supply
in “stand-alone” applications.)
2. OUTPUT: Separate NPN Open Collector Transistor outputs for minutes and
seconds. Output is a pull-down pulse with a time duration of 20% of the
timing increment selected. VOL = 1 V @ 10 mA max.
3. ACCURACY: 0.01% Absolute timing accuracy.
4. OPERATING TEMPERATURE RANGE: 0o to 50oC
5. WEIGHT: 3.1 oz (87.9 g)
RESET: Pulling this input low sets and holds all dividers and registers at zero
as long as RESET is held low. This input can be connected to the counter
reset terminal to provide synchronized timing-start with the counter reset.
INHIBIT: Pulling this input low suspends the output of clock pulses without
resetting accumulated time. This control input is useful when time must be
totalized over separated time segments of machine operation. The INHIBIT
input of the COS1 should be used instead of the Counter Inhibit Input when
this function is needed.
BLOCK DIAGRAM & TYPICAL CONNECTIONS
The COS1 is packaged in a convenient Octal 8-pin Plug-in package that
mates with UL and CSA rated base mounted or DIN rail mounted socket. The
socket (order separately) features clamp-type screw terminals which accept
stripped wires without lugs.
DIMENSIONS “In inches (mm)”
ORDERING INFORMATION
MODEL NO
Mating Socket Sold Separately (See Ordering Information at right)
COS1
_
_
DESCRIPTION
Plug-in Clock Oscillator
Base Mount, 8-pin Octal Socket
DIN Rail Mount, 8-pin Octal Socket
PART NUMBER
COS10000
SKT10000
SKTDIN00
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