5
TGH 1360E
General
IR5002 works according to a passive 3-voltmeter method. Different voltages are
measured within the system to be monitored. Comparative measurements of the
internal resistor network are carried out in order to determine the correct
insulation resistance of the system.
For calculation of the insulation resistance, the measured analog voltages are
digitilized by a 22-bit AD converter which is connected to the microcontroller
via a serial bus.
The detection, processing, analysis and output of the measured values are
controlled by a microcontroller which allows the setting of different parameters.
The measured values can be transmitted to peripheral devices, e.g. computers or
PLC via serial interfaces.
The device parameter settings are stored in a non-volatile EEPROM. The values
of the insulation resistance and the time when the measurements are carried out
are indicated by the internal real-time clock.
The measuring circuit is isolated from the output circuits (relays, interfaces).
That provides adequate safety of the IR5002 and the connected peripheral
devices.
IR5002 can be used as an independent device or in combination with the
coupling device AG5002. If response values below 1000
Ω
are to be set, the use
of a coupling device AG5002 will be necessary. IR5002 recognizes automatically
if a coupling device has been connected.
Coupling device
AG5002
The concept of
IR5002
