Application Example

Current measurement via Rogowski coils

Examples of Error Signaling

Configuration Example via DIP Switches – Default Settings

DIP Switch S1

7

8

Measurement underrange

Measurement overrange

Overcurrent
(Input Signal - End Value + 20 %)

Lower measurement range − 5 %

Upper measurement range + 2.5%

Upper measurement range + 5%

Configuration Example Using DIP Switches – Signaling with Default Settings

Example

Measurement overrange

Overcurrent
(Input Signal - End Value + 20 %)

Default Setting

Upper measurement range + 2.5%

Upper measurement range + 5%

Input RC1 = RT500 from LEM

Error from:

512.5 A

630 A

Signaling:

LED flashes red at 2 Hz.

LED flashes red at 4 Hz.

Input RC2A = RT2000 from LEM

Error from:

2050 A

2520 A

Signaling:

LED flashes red at 2 Hz.

LED flashes red at 4 Hz.