CTHsum analog summing amplifiers, 2/3/4ch summation transducers for 0-10V or 4-20mA signals with isolation options

The CTHsum summing amplifier / summation transducer is used to sum voltage, current, energy or power sensing transmitters / transducers. It can be configured to operate with most transducers/transmitters and data loggers. Custom isolated inputs and outputs are possible, making scaling straightforward.

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CTHsum Summing - Summation Transducer — **CTHsum Summing Module**

The CTHsum summing amplifier / summation transducer is used to sum up to 4 analog signals to one summation output. Typically 2-4 analog signals are applied to the sum inputs, these can be a combination 4-20mA current loop signals or voltage signals, the summation output can be a 4-20mA or 4-12-20mA current loop signal or 0-10V bipolar. Optional custom inputs/outputs are available. A typical application is where a power or current summation is required from various three phase incomers/feeders, possibly at different locations within a plant, meaning that one analog signal can represent the total plant consumption whether kW, kVAr, kVA or even MW

The CTHsum summing amplifier / summation transducer is also used to sum voltages, currents from pressure, energy or power sensing transmitters/transducers. The summation inputs can be configured to operate with most transducers/transmitters and data loggers. Custom isolated inputs and outputs are possible to avoid ground loop interaction between.

CTHsum analog summing amplifier module

Used to sum up to four 5V, 10V or 4-20mA analog signals to one output 4-20mA or 0-10Vdc. The CTHsum summation module is used where the summation of several transducer signals is required. Example: summing several 4-20mA kW (delete kW) output signals from temperature or power transducers situated at different locations within a plant, the CTHsum summation module will provide one sum signal output, equal to the total of the inputs

Summation of up to 4 x 5V or 4 x 4-20mA inputs to 1 summation (total) output
Fast response time 20uS
Useful for power metering, protection and control feedback
0.2% accuracy and 0.1% linearity
-20°C to +65°C operating range
Input impedance 100kohm (custom possible)
Output impedance 100ohm (50 ohm optional)
Input ranges: 0-20mA, 4-20mA, 0-1V, 0-2V, 0-5V, 0-10V or any voltage up to 50Vdc input, standard is 0-10Vdc
Wide range of dc outputs: 0-100mV, 0-1V, 0-5V, 0-10V 0-20mA, 4-20mA
Instrument Power: 12V, 24V, 48V, 110V and 125Vdc, 110/230Vac power
CE marked, UL/CSA materials throughout
Optional input/output isolation for ground loop elimination
Din rail or wall mounting

CTHsum/2x10V/1/9-36Vdc = non-isolated with 2 x 0-10Vdc Inputs to a sum 0-1Vdc output, 9-36Vdc

poweredCTHsum/2x4-20/ISO/10/9-36Vdc = 2 x 4-20mA Loop Inputs to an isolated 0-10Vdc output, 9-36Vdc 

poweredCTHsum/2x4-20/ISO/4-20/9-36Vdc = 2 x 4-20mA Loop Inputs to an isolated 4-20mA loop output, 9-36Vdc 

poweredCTHsum/4-20/ISO/4-20/10/9-36Vdc = 2 x 4-20mA loop inputs isolated from each other summed to a single 0-10Vdc output, 9-36Vdc 

poweredCTHsum/3x4-20/10/9-36Vdc = non-isolated with 3 x 4-20mA Inputs giving 1 x 0-10Vdc output, 9-36Vdc powered

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