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Trumeter 7922 Dual Preset Electronic Predetermining Counter

7922 Dual Preset Electronic Predetermining Counter


 
Nesslegrove Price: £135.72 (162.86 inc VAT)

Quantity in Stock:6

Availability:: Same day despatch for items in stock if ordered before 2pm.
Product Code: 7922
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Description Technical Specs
 

Trumeter 7922 Dual Electronic Predetermining Counter.

Worldwide delivery available - please contact us with delivery address for prices.


6 digit supertwist LCD programmable preset counter with prescaler, quadrature input and EEPROM data storage in an IP65 DIN case.

This versatile up/down counter with prescaling can be configured for quadrature or uni-directional inputs, dual preset or single preset with batch preset. Reset can be automatic, manual or electronic with a sink (NPN) or source (PNP) input.

The display is a supertwist high visibility backlit LCD which can be viewed from any angle. The count is on the main display and the preset value (or batch preset) is on the lower display.

Typical Applications:-
Length measurement from measuring wheel with encoder.
Positioning Counter
Coil winding counter
Batch counting
Packing line control
Label counter
Parts counter
Wire twist counter

Features
Simple programming via menu driven display.
Quadrature input.
High visibility supertwist LCD display can be viewed from any angle.
Backlight programmable ON, OFF or AUTO.
40 years data retention with no power.
Programmable decimal point up to 3 places.
Operates from 85-265VAC or 10-26VDC.
12VDC output to drive a sensor (when AC powered).
Opto-isolated inputs.
Wide range of prescaling.
Output relay contacts rated at 5A.
Output can be set to latch or pulse with programmable pulse duration.
Environmental protection to IP65.
Standard DIN housing.
CE, UL and cUL approved.

All programming, reset and presetting can be carried out from the front panel. When powered from an AC supply, there is a 12VDC output to drive a sensor. The key below each digit sets the P1 or P2 (or batch) preset value on the lower display. The red reset key resets the display count to zero or P1 (according to programming). In normal operation the colon illuminates whenever relay 1 is active. In P2 Set mode the colon illuminates whenever relay 2 is active.

Specifications
Supply Voltage
85 - 265VAC or 10 - 26VDC at 100mA
Auxiliary Output Supply
12VDC ± 10% @ 100mA (when operating from AC supply)
Display
2 rows of 6 digits, supertwist black on silver LCD with yellow/green LED backlight. Upper row
7mm (0.28in) high indicates count, lower row 4mm (0.16in) high indicates P1/P2 preset point. Also Relay 1 Active annunciator.
Backlight Control
Programmable to Always ON, Always OFF or AUTO (ON for 30s following last keypress)
Preset Points
Two user selectable preset points 1 - 999999
Count Inputs
Voltage Opto-isolated 10 - 30VDC
Quadrature and uni-directional
Input A (quadrature and uni-dir. count) NPN or PNP
Input B (quadrature and UP/DOWN in uni-dir. mode)
Maximum input frequency 10kHz
Duty cycle Maximum 60:40 or 40:60 mark/space ratio
Prescaler Multiply 0.00001 - 9.99999, default 1.00000
Divide 1 - 99999, default 00001
Manual Reset
Can be disabled on installation or remotely reset
Remote Reset
Contact closure or pulse (15 ms response time)
Automatic Reset
Programmable for automatic or Manual/Remote reset
Data retention
40 years minimum
Output Relays
Contact Connection
Both individually programmable as NO or NC SPST
Contact Rating 5A 260VAC/30VDC 1300VA/150W
Operating Temp
-10°to +60°C
Storage Temp
-20°C to +70°C
Environmental Protection
IP65 when properly installed using the sealing gasket supplied (without bezel).

To order by telephone please call 01453 886440.
or e-mail nesstech@btconnect.com.

RS467-0423


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