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0-5 A to 0-20 mA converter for current transformers
Article number PR173
The PR173 converts a 0-5 A current into a 0-20 mA signal: 0 A gives 0 mA, 5 A gives 20 mA. The shunt resistor is on the board, so the current transformer can be connected directly. The upper limit of the output is set with the blue trimmer. Input, output and supply are not galvanically isolated from each other; when measuring the consumption of a 230 V AC device, always place a current transformer between that device and the module.
- Supply 11.5 to 30 V DC
- Input 0-5 A on terminals 1 and 2, 5 A AC RMS max.; shunt resistor on the board
- Output 0-20 mA; upper limit adjustable, 22 mA max.
Price on request
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Specifications
| Supply | 11.5 to 30 V DC |
|---|---|
| Input | 0-5 A on terminals 1 and 2, 5 A AC RMS max.; shunt resistor on the board |
| Output | 0-20 mA; upper limit adjustable, 22 mA max. |
| Isolation | Not isolated: input, output and supply are galvanically connected; terminal 3 is internally connected to terminal 1 |
| Setup | Blue trimmer for the upper limit of the output |
| Input frequency | 60 Hz max. |
| Dimensions | 57 x 82 mm |
| Mounting | On DIN rail; board with four mounting holes Ø 4.6 mm, 44.3 x 61.8 mm centre to centre |
| Factory setting | 0 A = 0 mA, 5 A = 20 mA |
Connections
| Terminal | Function |
|---|---|
| Terminal 1 | Signal minus (0-5 A), internally connected to terminal 3 |
| Terminal 2 | Signal plus (0-5 A) |
| Terminal 3 | Supply minus (0 V), also reference for the output |
| Terminal 4 | 0-20 mA output |
| Terminal 5 | Supply plus |
Setup
- When measuring the consumption of a 230 V AC device, always place a current transformer between that device and the module.
- Connect the current transformer to terminals 1 (minus) and 2 (plus), the supply to terminals 3 (minus) and 5 (plus), and the output to terminal 4.
- As delivered, 0 A gives an output of 0 mA and 5 A an output of 20 mA.
- If required, adjust the upper limit of the output with the blue trimmer.
Application
- Connecting a current transformer to a 0-20 mA input
- Measuring the current consumption of a 230 V AC device, via a current transformer
Question about wiring?
You speak directly with the developer. Call or message Willem on +31 6 45 77 55 93.
PR173
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