Trumeter | Innovation by Design
Trumeter | Innovation by Design

878X

6 Digit Predetermining counter with a 5 digit rate meter.

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The 878X is capable of displaying and controlling almost any count application. It has a dual relay output, which can be used to signal or control external devices or processes.

Features

  • 14.2mm character high visibility LED display
  • 1/8 DIN (96mmX48mm) bezel
  • Simple user programming
  • Display scaleable to show engineering units
  • Programme lock out facility
  • AC and DC powered models available
  • Analogue re transmission option
  • RS485 communications option
  • CE approved. (UL and cUL pending)

PDF Instructions

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Specification

Power Supply

AC Powered 85-265VAC 47-63Hz 20VA.
DC Powered 9-30VDC 12VA.

Sensor supply

12VDC ±12% 75mA max.

Display

14.2 mm character high visibility LED Display.

Signal Input

Sink(NPN) or Source(PNP) DIP switch selectable.

Threshold

High 3.5 to 28VDC.
Low 0-1.9VDC for single ended signals.

Magnetic pick up range

200mV pk-pk to 65VRMS into 34.9 kO load.

Slow response

200Hz max.

Fast response

8.25kHz A or B, 3Khz A and B, QuadX1 and QuadX2 3.25kHz, QuadX4 2Khz.

Control Inputs

Sink(NPN) only (4.75kO to +5VDC) internal load.

Threshold

High 3.5 to 28VDC.
Low 0-1.9VDC.

Response time

25msecs max (5V signal).

Optional Outputs

Relay output

2 SPCO (Form C) relays. Contact rating 5A 250VAC or 30VDC @ unity power factor.

Analogue retransmission

4-20mA (<750O load ) and 0-10VDC (> 2500O load).

RS485 Serial Communication

Baud rate 1200, 2400, 4800, 9600 or 19,200 programmable Parity Even, odd or no parity.

Address

00-99.

Data Retention

EEPROM 100years duration

Operating Temperature

0°C to 50°C.

Storage Temperature

-20°C to 70°C.

Humidity

0 to 85%RH non condensing.

Vibration

2.5g’s 30-200Hz.

Shock

30g’s.

Front Panel Protection

IP65 when properly mounted using gasket supplied.

Approvals

CE approved. (UL and cUL pending).

Ordering information

8780 DC Powered Predetermining Counter
8781 AC Powered Predetermining Counter

Options – (Select & add to code 8780-?)

0 for No Options
1 for Dual Relay
3 for Dual Relay & Analogue Output
5 for Dual Relay & RS485 Comms
7 for Dual Relay, Analogue Output & RS485 Comms

e.g. 8780-1 = DC Powered Predetermining Counter with Dual Relay Option Board Fitted

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