WR14 / WR50-12/13 Winding Resistance Meter Instruction Manual
EXTERN
Standard Type
The standard Type has 4 pins. You can use pin 3 and 4 to connect an external Warning Light or Beeper
to indicate a dangerous condition.
There is an internal Relay whose contact is connected to the plug “Extern.”
An external power source and a Warning Light or Beeper may be connected to pins 3 and 4 to indicate
a Dangerous condition. See: Example for connecting an external warning device below.
Use the working contact between Pin 3 and Pin 4, maximum Load 240VAC 2A.
The contact is open when the system is Safe.
The contact is closed when the system is Unsafe.
Pins 1 and 2 on the Extern connector: These pins are for Raytech Service use. Do not connect
anything to these pins!
Standard Type with 4 pins:
Connector in the instrument:
Lemo: ERA.1E.304.CCL
RAN: 40894
Extern:
Lemo: FFA.1E.304.CLAC60
RAN: 40895
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