Enmet EX-6175 Manual do Utilizador

ENMET Corporation PO Box 979 Ann Arbor, MI 48106-0979 www.enmet.com Manual Part Number 80003-124 April, 2013

EX-6175 ENMET Corporation 7 3.8 Initial Gas Testing EX-6175 units are factory calibrated as detailed on the calibration certificate supplied with th

EX-6175 ENMET Corporation 8 4.0 Operation The EX-6175 incorporates magnetically operated switches to allow non-intrusive operation of the menu syste

EX-6175 ENMET Corporation 9 5.0 Calibration 5.1 Sensor Calibration This feature allows the sensor to be calibrated. Ensure that the correct sensor

EX-6175 ENMET Corporation 10 6 Sensor Replacement WARNING: Power must be removed from the EX-6175 before this or any internal procedure. Failure to

EX-6175 ENMET Corporation 11 Step 3 Remove display board which can be left to dangle on its retaining wire. Remove PCBs from the support standoffs

EX-6175 ENMET Corporation 12 Step 5 Remove sensor insert form EX-6175 enclosure using extraction tool. Step 6 Separate the two sensor insert comp

EX-6175 ENMET Corporation 13 Step 7 Apply Loctite 243 or an equivalent to the threads; insert the sensor housing into the EX-6175 enclosure using t

EX-6175 ENMET Corporation 14 Step 9 Reattach cable, the boards removed form the support standoff and finally the display board back into position.

EX-6175 ENMET Corporation 15 7 Fuses A 1Amp anti-surge fuse, housed within a surface mounted holder, is located within the EX-6175 to prevent over

EX-6175 ENMET Corporation 16 9 Certification The EX-6175 (FGD10 Series) of Gas Detectors are ATEX and IECEx certified for use in potentially explos

Table of Contents 1.0 INTRODUCTION ...

EX-6175 ENMET Corporation 17 11 Menu Mode The EX-6175 uses a password system to restrict the end user from carrying out certain changes that may com

EX-6175 ENMET Corporation 18 11.2.6 E : 6 – Decimal Places The number of decimal places that are used to display the detected gas levels can be chan

EX-6175 ENMET Corporation 19 11.2.11 E : 13 – Relay 1 The unit is fitted with a relay that is operated in conjunction with the alarm level. The user

EX-6175 ENMET Corporation 20 11.2.16 E : 20 – Negative Zero Suppression This option is used to allow the user to suppress small amounts of negative

EX-6175 ENMET Corporation 21 11.2.21 E : 31 – Warm-up timer The sensor goes through a stabilization period when power is first applied. This option

EX-6175 ENMET Corporation 22 Appendix A A.1 Analog Output Calibration The analogue output is that of a current source. In order to calibrate the out

EX-6175 ENMET Corporation 23 A.2 Communications Protocol The communications protocol used by the EX-6175 is used for communications between devices

EX-6175 ENMET Corporation 24 A.3.2 Reading a Variable Send a read frame with the Variable ID to be read: DLE RD var-id DLE EOF Csum hi Csum lo

EX-6175 ENMET Corporation 25 WARRANTY ENMET warrants new instruments to be free from defects in workmanship and material under normal use for a pe

PO Box 979 680 Fairfield Court Ann Arbor, Michigan 48106-0979 734.761.1270 Fax 734.761.3220 Returning an Instrument for Repair ENMET instrumen

2 List of Figures and Tables FIGURE 1: EX-6175 FEATURES ...

Repair Return Form Mailing Address: ENMET Corporation PO Box 979 Ann Arbor, Michigan 48106 Phone Number: 734.761.1270 FAX Number: 734.

ENMET Corporation EX-6175 1 1.0 Introduction The ENMET EX-6175 Fixed Gas Detectors for the detection of Flammable gases is ATEX Flameproof Certifie

EX-6175 ENMET Corporation 2 2.0 Features of the EX-6175 The EX-6175 is an ATEX and IECEx certified fixed gas detector for use in potentially explos

EX-6175 ENMET Corporation 3 3.0 Installation of the EX-6175 CAUTION: Area must be declassified during installation. The EX-6175 gas sensor/transmit

EX-6175 ENMET Corporation 4 Important Connect enclosure earth-ground to a high integrity earth ground ATEX certified Ex d armoured cable glands -

EX-6175 ENMET Corporation 5 Figure 5: Unplugging the Display Board for Connection Purposes 3.2 Power Supply The EX-6175 is powered from an 8 – 24 v

EX-6175 ENMET Corporation 6 3.5 Following Completion of the Installation: a) Replace the top display board using the locating pins on the underside