SC16, SCI8, SCI16 voltage, current and temp. modes 373
imc CANSAS Users Manual - Doc. Version 1.9 - 05.12.2014© 2014 imc Meßsysteme GmbH
6.18.1 Voltage measurement
±60 V... ±100 mV (only SCI8, SCI16)
±10 V... ±100 mV (SC16)
±60 V bis ±20 V (SC16 with divider plug)
The input impedance in the ranges ±20 V and ±60 V is 1 M ,
otherwise 10 M . The input configuration is differential and
DC-coupled.
The standard connector is used for voltage measurement
(ACC/DSUB-U4); the thermo-connector (ACC/DSUB-T4) is also
supported.
The terminal "(GND)" must not be connected, especially
not grounded!
The connection schemes for isolated and non-isolated signal sources are indistinguishable!
6.18.2 Current measurement
±40 mA ... ±2 mA
For current measurement, a shunt is built into the imc
current connector (ACC/DSUB-I4).
The terminal "(GND)" must not be connected, especially not
grounded!
With the housing model SL with LEMO connectors, current
measurement is connected via an internal 50 shunt. Toward
this end, the current signal is connected at the pins +I and -IN.
For current measurement, the pins +I and +IN must be
shorted. This connection may only be made for current
measurement purposes, and must be cleared for all other
measurement types. For this reason imc offers a cable
specially constructed with this connection exclusively for
current measurement.
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