Grant Instruments
30641 V1.3
Yoyolog
Page 27
Operating Manual
7.5.12 Current measurement (max 24 mA)
Current measurements can be made with signals up to a maximum of 24 mA. The
signals need to be connected with the YY-CI cable.
Input with another cable will cause damage to the device.
The software will allow for the input range to be freely selected between 0-24 mA.
The input impedance in this mode is 100 KOhm. The maximum sampling rate is 32 Hz.
This connection can be configured in
LoggerSetup/SensorSlot
- SlotMode:
Current [mA].
Connections for YY-CI cable to measure a current up to 24mA
White = Analogue input +
Blue = Analogue input -
The YY-CI has a 10 Ohm shunt resistor built in.
The transmitter will be required to be powered externally.
Warning! Always connect the data logger to the lowest potential of the current
loop. Meter the low-side current and do not meter the high-side current (see the
following image).
Incorrect
Correct
