No output signal, Very high output with no load, Service assistance and repair – Cleveland Motion Controls Classic Tension Transducers SC-EP REV GA User Manual
Page 10
A800-7438 Rev GA
Cleveland-Kidder Transducers; EC, ECM, SC, SCM & SC-EP
P
AGE
10
OF
10
5.5 OUTPUT SIGNAL NOT LINEAR, ZERO SHIFTS
DURING OPERATION
Check transducer and tension roll mounting. All
mounting bolts must be tight. Check that there is
no dirt or foreign matter interfering with the
transducer mounting.
5.6 NO OUTPUT SIGNAL
Check to see that all connections have been made
completely. Check for places where the
connecting cables might be crimped or cut.
5.7 VERY HIGH OUTPUT WITH NO LOAD
Check cables and connectors for good
connections and check continuity of cables with
an ohmmeter. Check for proper wiring to
transducers. Check transducer gage resistance as
given in the following chart at room temperature
with no load applied.
TRANSDUCERS GAGE RESISTANCE CHECK
Non-EP
Measurement Resistance EP
Resistance
Pin C to
240 ohms
480 ohms
Pin B
±36 ohms
±72 ohms
Pin A to
700 to
800 to
Pin B
1100 ohms
1240 ohms
Pin A to
Equal to
Equal to
Pin C
Pin A to
Pin A to
Pin B ±5 ohms Pin B ±5 ohms
6 SERVICE ASSISTANCE AND REPAIR
For additional service assistance, please obtain the
Type, MWF, and Serial Number from the
nameplate. Contact the Factory Service
Department.
Phone:
(216)
524-8800
Fax:
(216)
642-2199
Disassembly by improperly trained personnel may
result in additional damage to these units. Should
repairs be required or for warranty repairs, contact
the Customer Service Department for a return
authorization number before returning the units.