YSI IQ SensorNet 2020 XT Terminal - Manual (Page 163)

System 2020 XT USB What to do if ...
7 - 3 ba76019e01 12/2012
Note
Safe voltage measurement is possible on the module contacts on the
outside of MIQ/PS and relay output modules (see Fig. 7-1).
Tapping points for
measuring the voltage
Fig. 7-1 Tapping points for measuring the voltage
Note
The supply voltage (...+ U) must be measurable at both SENSORNET
wires, i. e. left and right of the shielding. Otherwise, the functioning of
the component is not ensured. Admissible values for the internal
voltage supply (+U) are given in section 8.1.
Front:
SENSORNET connections on the terminal strip (example):
...+ U ...+ U
0 V
...+ U
...+ U
...+ U
...+ U 0 V
0 V
SENSORNET 1
SENSORNET 2