Copyright 2013 Baker Hughes Company.
English–DPI620G Instruction Manual | 5
Software Configuration and Security
4. The DPI620G-IS should not be connected to a powered FISCO system unless its defined
electrical parameters are compatible with the DPI620G-IS.
5. If the Channel 1 Terminals and the Channel 2 Terminals are used together then they must
always be connected as separate Intrinsically Safe Circuits.
6. The rechargeable battery pack may be removed from or replaced in a DPI620G-IS within a
hazardous area.
7. The rechargeable battery pack must be removed from the DPI620G-IS for recharging in the
safe area using only the Socket 3 charging contacts and the Druck charger with Um = 254V.
No connections must be made to the IS outputs.
8. Both the MC620-IS Dual Transducer Carrier, or the PV62X-IS Series Pressure Station have
a location for either one or two transducers which screw into the pressure connection and
the two slip rings on the lower face of a transducer make contact with two spring loaded pins.
When either a MC620-IS Dual Transducer Carrier, or the PV62X-IS Series Pressure Station
is connected to a DPI620G-IS Advanced Modular Calibrator, these pins are energized and
do not meet the requirements of at least iP20. Therefore, it is a requirement of certification
that before either the MC620-IS Dual Transducer Carrier or the PV62X-IS Series Pressure
Station is connected to the DPI620G-IS Advanced Modular Calibrator, a PM620-IS
Transducer or a metallic Dummy Pressure Transducer is screwed into any vacant positions
and remains in position until the assembly is removed from the DPI620G-IS Advanced
Modular Calibrator.
9. The PV62X-IS Series Pressure Station is for use with the DPI620G-IS.
10. The limit for the lower ambient temperature is -10°C.
1.7 Software Configuration and Security
Make sure the relevant instrument settings are as expected before use. Other personnel can
have made unknown changes to the instrument. visually inspect the instrument for this type of
change before measurements are taken and calibrations done with the instrument,
1.8 Warnings
1.9 Electrical Safety
WARNING Do not ignore the specified limits for the instrument or its
related accessories. This can cause injuries.
Do not use this equipment for any other purpose than that specified.
Do not use with media that has an oxygen concentration > 21% or other strong
oxidizing agents. This product contains materials or fluids that may degrade or
combust in the presence of strong oxidizing agents. (This restriction of the
oxygen concentration also applies to the DPI620G-IS.)
Do not use the instrument in locations with explosive gas, vapor or dust. There
is a risk of an explosion. (The DPI620G-IS can be used in an area that has an
oxygen concentration of not more than 21%.)
WARNING The DC input to the DPI620G is rated at 5Vdc ± 5% 4 Amps.
External circuits must have the applicable insulation to the mains supply.
To prevent electrical shocks or damage to the instrument, do not connect more
than 30V CAT I between the terminals or between the terminals and the ground
(earth).
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