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Summary of Contents for SEFRAM CDM
- Page 1 CDM-Sensor – Dust Emission Incident Detector PLACE GUTENBERG - 59175 TEMPLEMARS (France) Tel: +33(0)3 20 60 49 49 - Fax: +33(0)3 20 95 59 62 Email: contact@sefram.eu Web: www.sefram.eu Electronics dedicated to dedusting and air quality Notice Technique FI 72.0401.0819E...
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Page 2: Table Of Contents
Page 4 particles. ADJUSTMENTS Page 5 THE DEVICE Page 7 The CDM controls in real time the dust emission rate and DYSFUNCTION Page 9 warns if this rate becomes higher than the ALARM and CHARACTERISTICS Page 10 ALERT level, adjusted by the operator on site. -
Page 3: Mechanical Assembly
CDM-Sensor – Dust Emission Incident Detector MECHANICAL ASSEMBLY The sensor is directly fixed on the pipe to monitor, in the following conditions: Thread G1/2" -placed on the straight part of the pipe, following the drawing underneath, -on a metallic pipe linked to earth, we must have a continuity of earth between the sensor and the pipe, -standard length of the probe: 220 mm for 250mm <... -
Page 4: Electrical Connections
Warning: Connect the sensor to earth by the terminal which is on the body of the sensor. Check the electrical characteristics of the CDM before any connection to the process, to prevent any damage to the CDM. We recommend shielded cables between the sensor and the COM RS485. -
Page 5: Adjustments
Adjustment of the Value X (from 1 to 33 min): Value in minutes. During this time the CDM defines a mean value of the dust rate, in MEASURE mode and AUTOLEARNING mode of the PR. This mean value is recalculated each second. - Page 6 *: Value defined in our workshop. Remarks: In case of supply shutdown, the CDM doesn’t need to be adjusted again. All the adjusted parameters are recorded. The adjustments, which need the opening of the cover, must be done quickly. Don’t let the cover open when not needed.
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Page 7: The Device
CDM-Sensor – Dust Emission Incident Detector THE DEVICE User Interface Figure 4 : user interface Supply Led ALERT Led ALARM Led MES/n2 Led 11 parts BARGRAPH (0 to 100%) TST/n1 Led PR/x LED Key F Key + SEL1, SEL2 Notice Technique FI 72.0401.0819E... - Page 8 Value = Value1 +1 Fast flashing Value = Value1 +2 MES/ n2 (Vert) Measure CDM mode MEASURE Adjustment n2 flashing CDM mode ADJUSTMENT Threshold n2 TST/n1 (Vert) Measure CDM mode AUTOTEST Adjustment n1 flashing CDM mode ADJUSTMENT Threshold n1 PR/x (Vert)
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Page 9: Dysfunction
FAILURE The CDM regularly runs an AUTOTEST of its electronics, to check its efficiency. If an internal failure is detected by the CDM, this one informs the user by the ALARM Led and the ALARM Relay. Table 3 : ALARME LED... -
Page 10: Characteristics
If Ø < 250mm : on request If Ø > 1000mm : consult us Running Temperature - external part to the pipe, body of the CDM : -20°C to +60°C - internal part to the pipe : flow < 150° (CDM standard) Storage Temperature -20°C to +85°C... -
Page 11: General Instructions
In the event of a problem, please contact Sefram. II. RECEPTION - STORAGE V. MAINTENANCE After unpacking the device, check that this latter has not The device does not require any special maintenance. -
Page 12: Warranty
PLACE GUTENBERG 59175 TEMPLEMARS CERTIFICATE The CDM respects the European directives ( CEM and ATEX ), which concerns it. However, it must be used correctly in applications for which it is intended, and should be linked or near CE approved products.
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