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Control Instruments
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Equation Computation Module-838
 
 
 
7623
( Din rail type )
 
 
7626
( Din rail type )
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  • Rugged & Time Proven Designs
  • Three Port Isolation Opto and Galvanic
  • Predefined input, output & ranges
  • Transmitter P.S. @ 24 V DC.
  • Various sizes / Mountings / Enclosures supported
 
MODEL 838-EXPRESSION COMPUTATION MODULE
 

Introduction

 

Pantech's Computation Module, model 838 is designed to accept upto three inputs and provide a computed output of 4 – 20 mA DC capable of driving a load of upto 800 as per the equation

OUTPUT – (A + BX) * (C + DY) / (E + FZ) where A, B, C, D, E & F are constants and X, Y & Z are three inputs. The module accepts 4 – 20 mA DC signal from two wire and not two wire transmitters. The transmitter power supply to feed upto three two wire transmitters is available as option. The module also accepts 1 – 5 V DC signals.


The module is available in a wall-mounted housing. The modules can be powered from 110V AC or 230V AC or 24 V DC power sources. Power supply is isolated from rest of the electronics.

The modules incorporate low drift operational amplifiers and industrial grade components. Burn in of each module ensures long trouble free operation.

 
Specifications
 
Inputs * 3
  1. Current, 4 – 20 mA DC/ 0 – 20 mA DC

  2. Voltage, 1 – 5 V DC/ 0 – 10 V DC

  3. Specials

 

Input impedance

200 KΩ for voltage inputs

250 Ω for current inputs

 

Analog output

  1. Isolated 4 – 20 mA DC (Computed)

  2. Non isolated 4 – 20 mA DC (Computed)

  3. Specials

 

Analog output load capability

800Ω maximum with 4-20 mA type

 

Output accuracy

+/- 0.15% of span

 

Transmitter powers * 3

24 V DC for current inputs

 

Power supply

  1. 24 V DC

  2. 110 V AC, 50 Hz, +/- 10%

  3. 230 V AC, 50 Hz, +/- 10%

  4. 90-270 V AC - SMPS

  5. Specials

  Power consumption

4 VA max.

 

Ambient temperature

0 – 50° C.

 

Storage temperature

0 – 70° C.

 

Humidity

90% RH (non-condensing)

Enclosures

Weatherproof, Flameproof and all other standard types

Mounting

Panel / Wall / Field / Dinrail / Eurocard

Dimensions

Standard and Specials

 
Ordering Informations
 
Please confirm the availability of the model by cross checking the table mentioned on the backside.
     

Basic Model No. (Specified by first 3 digits)

838 - Computation Module

Mounting (Specified by letter following 3 digits)

W - Wall mounted

R - Din rail type

P - Panel type

F - Field

S - Others / Specials

Input (Specified by first digit following the letter)

1 - 4 – 20 mA DC

2 - 0 – 20 mA DC

3 - 1 – 5 V DC

4 - 0 – 10 V DC

S - Specials

 

Power Option (Specified by the next digit / letter)

1 - 24 V DC

2 - 110 V AC

3 - 230 V AC

4 - 90-270 V AC – SMPS

5 - Specials

 

Analog O/P Option (Specified by the next digit / letter)

1 - 4-20 mA DC isolated

2 - 4-20 mA DC non-isolated

S - Specials

No. of O/P Option (Specified by the next digit / letter)

1 - 1no. of output

2 - 2no. of output

 

Made in India By:

 

PANTECH INSTRUMENTS,

102, Shailja Complex II,

Akota – Padra Road,

Nr. R. C. Patel Ind. Estate,

Vadodara – 390 020.

Telefax: (265) 2331380/6616080