epro CON 011 - Adjustment of Measuring Chains at the Machine

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Direction for Use (GB) / Gebrauchsanleitung (D)
Converter CON 011
Direction for use
1.3.3 Adjustment of measuring chains at the machine
Connect converter supply −24Vdc (+24V to ⊥). Fit connector of sensor to converter input.
Measure output level at pins OUT and ⊥.
Sensor PR 6422...PR 6425:
• Loosen the lock nut from the sensor.
• For mounting and turning the sensor remove the sensor cable to avoid twisting of the cable.
• Turn the sensor in the holder as long as the nominal distance between sensor head and
measuring target is reached and the voltmeter indicates the desired point on the
characteristical curve.
• For measuring shaft vibrations it is sufficient to adjust the sensor to an output value of 12V
resp. 10V ±1V.
• For static measurements a precise adjustment to one output value is required, the sensor
is preferably set to one of the three output levels of the CON 011:
→ for symmetrical displacements around the centre point (see Fig 3, A
ce
) to −12V
(−4...−20V) or –10V (−2... −18V) ±0,05V (recommended procedure)
→ for the measuring range minimum (= minimum distance) to –4V (−4...−20V) resp. –2V
(–2...−18V) ± 0,05V for single−sided movements to greater distances (Fig 3, A
min
)
→ for the measuring range maximum (= maximum distance) to –20V (−4...−20V) resp.
–18V (–2...−18V) ± 0,05V for single sided movements to smaller distances. (Fig 3,
A
max
)
→ or to any other value within the measuring range when different distances in both
directions must be measured.
• Fix the sensor by means of the lock nut. The maximum torque is:
PR 6422: 1Nm (0,1 kpm); PR 6423: 15Nm (1,5kpm);
PR 6424 and PR 6425: 100Nm (10kpm).
Sensor PR 6426:
If the distance between mounting flange and measuring target is not correct, it must be adjusted
by shifting the mounting flange (refer to Fig 7 of the operating manual PR 6422...PR 6426). In
order to achieve a precise adjustment, we recommend using a linear guided support e.g. a dove
tail bearing. Special solutions for the customer’s application can be designed and produced at
epro’s on request.
Adjust the distance between sensor and measuring target by shifting the support, until the
con−verter output signal has reached the required point of the characteristical curve.
• −12V (−4...−20V) or –10V (−2...−18V) ±0,05V for symmetrical displacements around the
centre point (see Fig 3, A
ce
) (recommended procedure)
• the measuring range minimum (= minimum distance) – 4 (− 4...−20V) resp. –2V (–2...−18V)
for single sided displacements in direction to greater values (greater distances) (Fig 3, A
min
)