Productivity meter for pulse-rate process monitoring

PR9648

Productivity meter for pulse-rate process monitoring, with -99999 ... 99999 digit display range, sec-1, min-1 or h-1 time base, two digital inputs, programmable conversion, hold input and up to four alarm outputs.

Introduction

Speed, flow, passing time and revolutions per time often need more than simple indication. This panel meter evaluates impulse rates and converts them into productivity values based on a defined time unit, giving operators a clear local view of time-related process performance.
 
Two configurable digital inputs support summation, difference, ratio and product measurement, as well as rotary encoder signals. Separate input prescalers, a programmable divisor and factor, and selectable time bases of seconds, minutes or hours help adapt the display to the pulse signal and required unit. The 14.2 mm red LED display shows values across -99999 ... 99999 digit.
 
For control and monitoring, versions are available with up to four SPDT relay or transistor alarm outputs and an isolated 0/4 ... 20 mA or 0/2 ... 10 V analog output. Integrated 24/8 V DC transmitter supply, hold input and front ingress protection (IP65) make the DIN 96 x 48 mm device practical for automation panels.

Flexible evaluation
Flexible evaluation
Handles summation, difference, ratio and product measurement via two digital inputs.
High accuracy
High accuracy
Measures pulse-based values with ≤0.003 %, ±1 Digit accuracy.
Adapted display
Adapted display
Configurabele divisor and factor convert pulses to the required display value.
Control outputs
Control outputs
Up to four relay or transistor alarm outputs support process switching.
Analog integration
Analog integration
Optional isolated 0/4 ... 20 mA or 0/2 ... 10 V output transfers display values.
Panel protection
Panel protection
Front ingress protection (IP65) suits DIN 96 x 48 mm panel installation.

Features

Input configuration

The device supports input modes for A up/B down, A up/B up, rotary encoder, ratio or passing time, and percentage deviation calculations.

Separate prescalers

Input A and input B each have a programmable prescaler from 1 ... 9999 digit, allowing only every n-th impulse to be counted.

Transmitter supply

Integrated supply provides 24 V DC for PNP initiators and 8 V DC for Namur initiators, with Ri approx. 150 Ω and max. 50 mA.

Hold input

The display value can be frozen using a 24 V DC control level or a voltage-free contact.

Display and peaks

The red LED display uses leading zero suppression. Option 01 adds min. and max. peak-hold functions.

Output timing

Alarm outputs include selectable min. or max. switching behavior, hysteresis, and on-delay and off-delay times from 1 s up to 9 h.