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HydroRanger 200 – INSTRUCTION MANUAL
7ML19985FC03
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Appendix F: Upgr
ading
Appendix F: Upgrading
The following procedure will assist you if you are upgrading from a HydroRanger to a
HydroRanger 200.
If the application is unchanged, copy down the parameters in the HydroRanger before de-
commissioning the unit.
Mounting a HydroRanger 200 (all models)
Please read the HydroRanger 200
Installation
section on page 8 before mounting the new
HydroRanger 200.
Make sure the power is OFF to the unit before following these steps:
1.
Remove the old HydroRanger.
2.
Mount the new HydroRanger 200 using the same mounting holes.
Connecting the Transducer
Important:
Unlike the HydroRanger, coaxial cable is not recommended for use with the
HydroRanger 200 for transducer cable extensions. The HydroRanger 200 circuit is
designed to use shielded twisted pair cable. Ideally, the coaxial cable should be replaced
with twisted pair.
If this is not practical, please refer to the Coaxial Transducer Extension section below.
Coaxial Transducer Extention
The HydroRanger 200 uses a new differential input receiver that works either directly
connected to the transducer lead or with a screened twisted pair extension cable via a
field junction box. This arrangement, using two conductors and a screen, gives
considerably better electrical noise immunity than the previous coaxial arrangement (up
to 20dB) and will give reliable operation in applications where the proximity of power
cables, variable speed drives etc. would have caused problems.
If you are installing a new HydroRanger 200 system we strongly recommend that you use
a good quality screened, twisted pair cable if an extension is required. If the integral
transducer cable is used you need only connect to the HydroRanger 200 and benefit from
the superior performance.
Transducer
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