PR515 module board from above: OLED display, UP, OK and DWN buttons, relay, USB-C port and terminals 1 to 22

Thermocouple to 4-20 mA, galvanically isolated, with OLED display

Article number PR515x504

The PR515x504 measures the temperature with a thermocouple and passes it on as 4-20 mA. The input is galvanically isolated from the supply and the output; this is needed with a thermocouple that touches metal at the measuring point, such as a welded or grounded type. The thermocouple type (K, J, T, N, E, R, S or B) and the temperature at 4 and at 20 mA are set on the OLED display.

Supply 12 and 24 V DC, operating range 11 to 30 V DC
Input thermocouple type K, J, T, N, E, R, S or B, type selected on the display; with cold-junction compensation
Output 4-20 mA, active

Price on request

Supplied in series, from 10 units per item. Not in stock? Then we build your series.

One or a few units only as a trial, for a company with a series in sight.

Request price and lead time WhatsApp Willem

Orders are placed by email with a purchase order. We supply businesses only.

Specifications

Specifications
Supply	12 and 24 V DC, operating range 11 to 30 V DC
Input	Thermocouple type K, J, T, N, E, R, S or B, type selected on the display; with cold-junction compensation
Measuring range	Adjustable within the range of the selected type, for example 0 to 600 °C
Output	4-20 mA, active
Isolation	Thermocouple input galvanically isolated from supply and output
Setup	OLED display with UP, DOWN and OK buttons
USB	USB-C for software updates and reading the status
Wi-Fi	Built-in hotspot for software updates
Mounting	DIN rail, horizontal enclosure
Internally fitted with	PR181T51

Printable datasheet

Setup

Connect the supply, the thermocouple and the output according to the wiring diagram supplied with the module.
On the display, select the thermocouple type.
Set the temperature at 4 mA and at 20 mA and store with SAVE.

Application

Connecting a grounded or welded thermocouple without a ground loop
Passing temperature in furnaces, exhausts and hot processes on to a PLC
Using type J or T thermocouples alongside existing type K sensors

PR515 series: controllers and converters with OLED display

The modules in the PR515 series have an OLED display and push buttons, so they can be set up without a computer and show the current values of inputs and outputs. They run on 12 and 24 V DC systems. Most versions can be extended on request, for example with an extra relay output, a PWM output, a bus connection (CAN bus or Modbus) or a different sensor input.

More about the PR515 series