Analog Input

Overview

Isolated safety barrier at detection side: PHD-11TD-21, analog input and output, single input and single output.

^ The isolated barrier can isolate and transmit the 4~20mA signal or DC 4 ~ 20 mA signal generated by the transmitter in the dangerous area to the safe area. When the transmitter is two-wire or three-wire system, the safety barrier provides power for the transmitter.

^ This product needs an external 20-35VDC power supply.

^ This product supports HART signal and disconnection alarm.

* Note: If you need other parameters of this product, please contact our technical support. If the output is other parameters, it is indicated by the number 9, and the specific parameters are indicated after the model number.

^ Example: input 2-wire, 3-wire or 4-20mA, output 2~10V.

^ Model: PHD-11TD-29 (2-10V)

* Bus power supply, see appendix for details.

PHD-12TD-211

Two or three-wire transmitter or current source input /4~20mA output 1 input 2 output

Overview

PHD-12TD-211 is an isolated detection end safety barrier designed specifically for analog input and output.

PHD-22TD-2121

Two or three-wire transmitter or current source input

/ 4~20mA output 2 inputs 2 outputs

Overview

Isolated safety barrier at detection side: PHD-22TD-2121, dual input and dual output with analog signal.

Surge Protection Type Analogue Input Isolated Safety Barrier 
PHD-11TD-21+   1 input and 1 output
PHD-12TD-211+ 1 input and 2 outputs

Input: two or three-wire transmitter or current source(HART digital signal)
Output: 4~20mA (HART digital signal)