imc CRONOSflex Getting Started Version 1.8 - 08.01.2014
Firmware-Update
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Connection with connectors
3.1 Connecting DSUB-15 adapter plug
The
is a 1:1 DSUB-15 to
screw terminal adapter. It can be used for all
modules which come with the corresponding pin
configuration. Apart from specific labeling, those
connectors are electrically identical.
The
do not offer direct
adaption from the DSUB pins to the screw
terminals, but instead come with extra functions:
For current measurement (up to 50 mA) with
voltage channels the
(ACC/
DSUB(M)-I2 and I4) have a built-in 50 shunt.
The scaling factor 0.02 A/V must be set in order
to display the current value.
For temperature measurements, a special,
patented
(ACC/DSUB(M)-
T4) is available. This DSUB-15 connector is suited
for measurement of voltages as well as
temperatures with PT100 and thermocouples
with integrated cold junction compensation
(CJC). Any types of thermocouples can be
connected at the differential inputs (+IN and -IN).
It also has additional “auxiliary contacts” for
connecting PT100 in 4-wire configurations, where
the reference current loop is already pre-wired
internally.The Thermo connector can also be
used for normal voltage measurement.
Plastic connector (ACC/DSUB-)
Metal connector (ACC/DSUBM-)
The
(ACC/DSUB(M)-UNI2) contains an additional built-in PT1000 temperature
sensor providing cold junction compensation (CJC) for thermocouple measurement. If this function is not
required, it is also possible to use a Standard connector for other measurement types.
The
(ACC/DSUB(M)-ICP2 and ICP4) provide a current supply source as well as a
capacitive coupling.
The
are special, TEDS capable (according to IEEE1451.4 for the use with imc Plug &
Measure) imc plugs for saving sensor information. The sensor-TEDS are serial PROMS which are
connected with an amplifier channel via a digital signal line (One-wire-PROM). For a detailed description
of the use of TEDS, see the imc STUDIO User's Manual.
Note on the screw terminals of the connector
To connect the measurement leads with the screw terminals, suitable leads should have a
maximum cross section of 1.5 mm2 incl. cable end-sleeve.
The terminals' screw heads only have secure electrical contact once they are tightened to a
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