Meggitt vibro-meter SpeedSys300 ODS301, User Manual

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USER MANUAL Document reference MAODS301/E
SpeedSys300 ODS301 overspeed detection system Edition 4 - May 2022
3 - 18
Installation considerations
INSTALLATION OF A SPEEDSYS300 ODS301
3.2.9 Electrical interfaces
Figure 3-9 shows the electrical interfaces for the product.
The sensor / input channel interfaces (proximity, electronic and magnetic) on the left side of
Figure 3-9 are short circuit proof.
(See also Figure 1-2 for more detailed information on all of the SpeedSys300 ODS301
module’s hardware interfaces.)
As shown in Figure 3-9 , the use of a 2-wire voltage sensor (magnetic
sensor) requires a bridge (short-circuit) to be set between the BR contacts
of the 2-WIRE VOLTAGE connector (see
Table 2-3 ).
In case of the 2-wire voltage (magnetic) sensor not being used, the bridge
must be removed in order to ensure full functionality of the module.
Refer to the SpeedSys300 ODS301 overspeed detection system data sheet
for further information before connecting any electrical interfaces.
Figure 3-8: SpeedSys300 ODS301 electrical interfaces
Notes
*
For 2-wire voltage (magnetic) sensor,
install the SpeedSys300 ODS301 module in
a controlled electromagnetic environment or
connect both sides of sensor cable shield to
intrinsically safe earth.
Notes
The SpeedSys300 ODS301 module is a
single channel device. It has three separate
input interfaces for connection to different
types of speed sensor / measurement chain
but only one measurement channel can be
configured and used by the module at any
one time.