Table of Contents
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ADOS
Issue: 08/15
Version: 1.1
A D O S G m b H
Instrumentation and Control
Trierer Str. 23-25 @ 52078 Aachen @ FRG
Operating Instructions
Multi-channel Gas Warning Unit
T E L .
F A X
E - M a i l : i n f o @ a d o s . d e
Internet : h t t p : / / w w w . a d o s . d e
MWS 897
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Summary of Contents for Ados MWS 897
- Page 1 ® ADOS MWS 897 Operating Instructions Multi-channel Gas Warning Unit Issue: 08/15 Version: 1.1 A D O S G m b H T E L . : + 4 9 ( 0 ) 2 4 1 9 7 6 9 - 0 E s t .
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Page 2: Table Of Contents
ADOS GmbH MWS 897 Page I Contents Page Introduction ..............1 Operating Summary . -
Page 3: Introduction
The alarm outputs can be tested without any application of gas. The unit incorporates a RS232 interface for data communications and a voltage output of 0-5V. The ADOS gas warning unit MWS 897, depending on the model, can be operated on 230 V~, 110 V~ or 24 V= voltage supplies. - Page 4 ADOS GmbH MWS 897 Page 2 After switch-on the unit is automatically ready for normal cyclic measurement operation. To prevent alarm errors during the stabilising/warm up phase of the gas sensors, the alarm and fault monitoring is suppressed for approximately 5 minutes after switch on.
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Page 5: Equipment Settings / Menu
ADOS GmbH MWS 897 Page 3 Equipment settings / Menu Navigation through menu To modify the basic factory settings, both keys must be hold pressed. The input code is necessary to protect against unauthorised modification. To enter the code “897", the “SELECT” key must be pressed to increment the digit. -
Page 6: Menu Function Service
ADOS GmbH MWS 897 Page 4 Menu Function Service Switch the maintenance modus “ON” or “OFF” to avoide false alarms during repair or calibrating the sensors. If the maintenance mode is active, all alarm and faults are supressed. By selecting “ON" the duration is 60 minutes after leaving the menu. -
Page 7: Menu Function Sensor->Limit-Relay
ADOS GmbH MWS 897 Page 5 3.5.4 Menu Function Sensor->Limit-relay Assign the alarm relay to the limit value of a measuring point. The allocation is optional, each limit value can be assigned to a maximum of 3 alarm relays. One alarm relay can also be assigned more than once (e.g. -
Page 8: Menu Function Sensor->Buzzer
Vol.%, ppm, %LEL, etc. Range: upper and lower measure range z.B. ADOS TOX CO 300 ppm -> MIN = 0 und MAX = 300 GTR 196 with ph -> MIN = 2 und MAX = 13... -
Page 9: Menu Function Rs232
The owner or operator of the system is offered the possibility of completing a maintenance contract with the manufacturer, the ADOS GmbH company, which will guarantee a smooth and efficient servicing by the company's own customer service. -
Page 10: Technical Data
ADOS GmbH MWS 897 Page 8 Technical Data Sensor inputs 6 two-wire sensors (e.g. ADOS 592 TOX) 3 three-wire sensors (e.g. GTR 196) 2 three-wire sensors + 4 two-wire sensors Sensor supply 19 V= / 300 mA Measurement ranges 0-300 ppm... -
Page 11: Cable List
ADOS GmbH MWS 897 Page 9 Cable list Mains 230V/50Hz NYM-J 3 x 1,5 mm Mains 230V/50Hz for horns and warning banners NYM-J 3 x 1,5 mm Sensors J-Y(ST)Y 2 x 2 x 0,8 mm , screened bzw. J-Y(ST)Y 4 x 2 x 0,8 mm... -
Page 12: Terminal Schematic
ADOS GmbH MWS 897 Page 10 Terminal schematic Drawing no. 890-5622/e : MWS 897 with sensor GTR 196 Drawing no. 890-5622/f : MWS 897 with sensor ITR 498... - Page 13 ADOS GmbH MWS 897 Page 11 Drawing no. 890-5622/g : MWS 897 with sensor ADOS 592 TOX Drawing no. 890-5622/h : MWS 897 with sensor LCTR 903...
- Page 14 ADOS GmbH MWS 897 Page 12 Drawing no. 890-5622/c : MWS 897 24V DC Drawing no. 890-5622/d : MWS 897 USV...
- Page 15 ADOS GmbH MWS 897 Page 13 Drawing no. 890-5622/i : MWS 897 230V with UPS 2000...
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