Click below to purchase:
ATC series 356C350Q30PX, 9999 counts, digital display, 72x72mm, 120V
ATC series 356C350R30PX, 9999 counts, digital display, 72x72mm, 240V
Contact Sords Electric HERE!
The Automatic Timing and Controls Shawnee 356C counter, preceded by the 356A and 356B, is a direct replacement of the ATC 336 Predetermining Counter with the exact functionality but in a smaller 72mm x 72mm package.
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| ATC Shawnee 356C Predetermining Counter |
Features:
Fast, Accurate and Bounce ProofThe repeat accuracy of the ATC 356 is 100%. It maintains full accuracy even at pulse rates up to 4,000/minute, even with pulses that are as brief as 1 millisecond, and even in the face of severe contact bounce, which it ignores by virtue of an extremely effective anti-bounce circuit.
Easy to Set
The ATC Shawnee counter is easily and accurately set even with work gloves on. Push any of its four toggle levers in any sequence until the number you want appears above it. You can decrease as well as increase each number by pushing the levers up or down. You can change the setting at any time, even during a cycle.
Plug-In and Dust Tight
All ATC 356 counters feature true plug-in design and can be replaced in seconds without disturbing the housing or disconnecting the wiring. The dial assembly is gasketed so that the counter body is dust-tight from the front of panel.
Cycle Progress Indication
The ATC Shawnee 356 indicating counter provides cycle progress indication on the four-digit display located immediately above the digital setting number wheels. While the non-indicating Model 356 does not provide true cycle progress indication, it can be wired so that the legend light is on during the cycle and the pilot light flashes with each pulse.
Computer tested ReliabilityThe solid-state ATC 356 is manufactured from a series of computer-tested plug-in circuit boards and assembled virtually without hand wiring. Because it has no moving parts in its logic circuits, its life expectancy is practically unlimited. Even the load relay – the 356’s only significant mechanical component – has a life expectancy of 10,000,000 operations (no load). As a result the 356 achieves an overall reliability that surpasses even that achieved by previous Shawnee counters.
Noise Immunity
The ATC 356 does not have to be shielded: its transformer power supply, full-wave bridges, buffered logic and other design characteristics render it immune to the electrical noise that is sometimes encountered in industrial environments thus eliminating false starts and reset due to voltage spikes.
OPERATION
The ATC Shawnee 356 operates on a digital logic circuit with three main
elements: a pulse circuit; a read-only-memory (ROM) whose output is
set by the counter’s digital setting number wheels; and a comparator
that continuously examines the outputs of the pulse circuit and ROM.
When power is applied (start signal on), two things happen simulta- neously; the instantaneous DPDT relay is energized transferring both sets of contacts, and the pulse circuit begins to count each input pulse whose duration is at least 1 millisecond. The pulse circuit accu- mulates the count and feeds the total continuously to the comparator. When pulse circuit output exactly equals the output of the ROM, the comparator causes the ATC 356C to count out.
At this point, (1) the DPDT delay relay is energized, immediately transferring both sets of contacts and (2) the pulse circuit turns itself off automatically. Since the pulse circuit stops counting even if the start signal remains on, it is not necessary to tie up one of the ATC 356’s delayed contacts to do this job.
To reset the ATC 356, power must be removed from terminal 1 (L1) for 75 milliseconds or more. The ATC 356 operates in the on-delay mode only, always resetting whenever there is a power outage and starting a new cycle when power is restored.
When power is applied (start signal on), two things happen simulta- neously; the instantaneous DPDT relay is energized transferring both sets of contacts, and the pulse circuit begins to count each input pulse whose duration is at least 1 millisecond. The pulse circuit accu- mulates the count and feeds the total continuously to the comparator. When pulse circuit output exactly equals the output of the ROM, the comparator causes the ATC 356C to count out.
At this point, (1) the DPDT delay relay is energized, immediately transferring both sets of contacts and (2) the pulse circuit turns itself off automatically. Since the pulse circuit stops counting even if the start signal remains on, it is not necessary to tie up one of the ATC 356’s delayed contacts to do this job.
To reset the ATC 356, power must be removed from terminal 1 (L1) for 75 milliseconds or more. The ATC 356 operates in the on-delay mode only, always resetting whenever there is a power outage and starting a new cycle when power is restored.
Specifications:
Range:
1 to 9999 Counts or 10 to 99,990 Counts
Count Input:
2300/MIN with 1:1 on-off time
4000/MIN with 1 mSEC on: 13mSEC off
500/MIN with 20 mSEC n and 100 mSEC off
Wired for count and repeat operation
Minimum Pulse ON time is 1 mSEC
Minimum OFF time is 13 mSEC
Ready-To-Count time is 10 mSEC after application of power
Bounce Immunity is 6 mSEC (Maximum bounce open time
Pulse Contact Requirement is 30mA (at line voltage)
Cycle Progress Indicator:
4 Digit, 0.3 inch, high intensity blue display
Repeat Accuracy:
100%
Reset Time:
75 mSEC minimum
Minimum Setting:
1 Count
Count Control Modes:
Single Cycle - Interval or delayed
Repeat Cycle - Pulses
Load Relays:
One instantaneous and One delayed, both plug-in and DPDT
Operate Time is 20 mSEC maximum
Release time is Instantaneous - 20mSEC and Delayed - 75mSEC MAX
Contact ratings are 5A at 120VAC and 2A at 240 VAC and .1A at 125 VDC
Contact Life is 100 Million operations (no Load)
Temperature Rating:
32º to 140ºF (0-60ºC)
Input Power Req.:
120V = 95-132V at 50/60Hz, inrush .4A
240V = 190-264V at 50/60Hz, inrush .2A
Terminals:
16 Screw Terminals at rear, wiring diagram on the housing
Housing:
Plug-In Design, completely gasketed and dust tight when panel mounted
Weight:
1 Pound 7 Ounces
Other Counters by ATC:
354C350Q30PX - 120vac - relay output
354C350R30PX - 240vac - relay output
354C353Q30PX - 120vac - relay output
354C353R30PX - 240vac - relay output
354C350Q30PJ - 120vac with Solid State Output
354C350R30PJ - 240vac with Solid State Output
354C353Q30PJ - 120vac with Solid State Output
354C353R30PJ - 240vac with Solid State Output
(The 353 versions are 10-99,990 counts)
366C400Q30PX - 120vac (count up or count down)
366C400R30PX - 240vac (count up or count down)
366C400T30PX - 24vac (count up or count down)
366C400N30PX - 24vdc (count up or count down)
366C400Q50PX - 120vac (count up and GO or count down and GO)
366C400R50PX - 240vac (count up and GO or count down and GO)
366C400T50PX - 24vac (count up and GO or count down and GO)
366C400N50PX - 24vdc (count up and GO or count down and GO)
Click below to purchase:
ATC series 356C350Q30PX, 9999 counts, digital display, 72x72mm, 120V
ATC series 356C350R30PX, 9999 counts, digital display, 72x72mm, 240V
Sords Electric
216-765-4230
www.sordselectric.com
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