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ProReact Digital Interface
Monitor Module
(DiMM)
Installation Instructions
Linear Detection Technology Made Simple
www.thermocable.com
World leading
linear detection
Page 1 of 18
Page 1 of 18
Revision 3.0
Revision 3.0
Document No. ProReact DiMM Installation Manual
Document No. ProReact DiMM Installation Manual
Nov 2019
Nov 2019
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Table of Contents
Related Manuals for Thermocable ProReact A1349
Summary of Contents for Thermocable ProReact A1349
- Page 1 World leading linear detection ProReact Digital Interface Monitor Module (DiMM) Installation Instructions Linear Detection Technology Made Simple www.thermocable.com Page 1 of 18 Page 1 of 18 Revision 3.0 Revision 3.0 Nov 2019 Nov 2019 Document No. ProReact DiMM Installation Manual...
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Page 2: Table Of Contents
Contents: Important Guidelines – read before commencing installation Page 3 General Overview Page 4 Technical Specifications Page 5 Installation Page 6 - Overview - Connections Diagram Operating Modes Page 7 - Wiring Diagram: Independent - Wiring Diagram: Interlock Useful Information Page 9 - Leader Cable - Mounting Dimensions... -
Page 3: Important Guidelines - Read Before Commencing Installation
Only use Thermocable ProReact Digital Linear Heat Detection cable with the DiMM. Test the Digital Linear Heat Detection cable before connecting it to the DiMM using a multimeter. -
Page 4: General Overview
The unit is intended to be installed between the Digital Linear Heat Detection cable and dual zone module for monitoring up to two zones of Thermocable a conventional or addressable fire alarm control panel. It has power, ProReact Digital Linear Heat Detection (LHD) Cable. -
Page 5: Technical Specifications
(28AWG) to 4mm (11AWG) Supervised Circuits: Power, Input Zone 1 & Input Zone 2 Inputs: Up to two Class B zones of Thermocable ProReact Digital LHD Cable ...Max Zone Length 3000m (10,000ft) ...Min Zone Length ...End of line resistor 1kohm (included) ...Short circuit current... -
Page 6: Installation
Overview The DiMM allows accurate location of an alarm point along a length of Thermocable ProReact Digital Linear Heat Detection (LHD) cable. It continuously monitors up to two zones of Digital LHD cable for a fault (open circuit) or an alarm (overheat or fi re condition). Because of the wide range of applications that Digital LHD cable can be used for, it may not always be possible, or be too time consuming, to locate where along the cable an alarm has occurred. -
Page 7: Operating Modes
Operating Modes Wiring Diagram Independent There are two operating modes for the Digital interface Monitor Module: 1. Independent – This is when the DiMM is used as a two zone system. When a fault or overheat condition occurs on a Digital LHD zone, the corresponding fault or alarm output respectively is triggered. - Page 8 Operating Modes Wiring Diagram Interlock 2. Interlock – this mode is for applications which require a fail-safe guarantee that an alarm is only triggered when an overheat condition has been detected. This mode may also be known as coincidence detection. In this case, the same rated temperature Digital LHD cable should be attached to both zones of the DiMM.
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Page 9: Useful Information
(approximately 10 seconds). Setup information can be verifi ed by following the steps in the Commissioning Figure 2: Mounting Dimensions for the Thermocable ProReact DiMM section (page 10 onwards). -
Page 10: Commissioning
Commissioning 1. After wiring the unit up (see wiring diagram) power up the device. Device will show screen including software revision number. ProReact Dual 2. If the unit is being setup for the first time the following options will Zone D iMM R1234 be shown. - Page 11 Commissioning (Cont.) 8. If leader cable is connected between the Digital LHD cable and the DiMM unit and/or the LHD cable is installed in a hazardous area and IS Zone 1 ldr cable barriers are being used, the voltage drop to the start of the LHD cable must be measured by the DiMM unit in order to ensure correct operation and accurate distance location.
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Page 12: Normal Operation
Commissioning (Cont.) 17. Select the number of data bits for the Modbus RTU/ASCII output. (7 or 8) DATA BITs 18. Select the number of stop bits for the Modbus RTU/ASCII output. (1 or 2). Stop BITs 19. Select the parity for the Modbus RTU/ASCII output. (even/odd/none). -
Page 13: Fault/Alarm Conditions
Fault/Alarm Conditions LED Illustration 21. If an alarm condition occurs the DiMM automatically calculates the distance along the cable to the trigger point and first displays this value Zone 1 : 534 m in metres. Zone 2: OK 22. The display alternates showing the distance along the cable to the trigger point in metres and in feet. -
Page 14: Testing And Verification
Testing & Verifi cation LED Illustration 1. If self test mode is selected the device will fi rst load the saved confi gs then proceed to cycle through normal operation, alarm and fault. SELF TEST This is to allow the installer/maintenance engineer to verify that the unit MODE is connected to an external system correctly. -
Page 15: Two-Wire Rs-485 Modbus Rtu/Ascii Communications
Two-wire RS-485 Modbus RTU/ASCII Communications The Thermocable ProReact DiMM includes a two wire RS-485 Modbus output which can be enabled to output the status of each zone of Digital Linear Heat Detection cable. The DiMM Modbus output supports the Modbus RTU/ASCII protocol and the following functions: •... -
Page 16: Resetting The Proreact Dimm
Resetting the ProReact DiMM WARNING: This procedure will erase ALL stored settings and reset the Thermocable ProReact DiMM unit back to its factory default state. The cable types, leader cable calibration, latching output selection and Modbus setup will all require selecting after this procedure. -
Page 17: Compatible Products
Compatible Products Please find Thermocable’s range of ProReact Digital Linear Heat Detection cable and accessories below: 100m Reel 200m Reel 500m Reel 1000m Reel Part Gross Dimms Gross Dimms Gross Dimms Gross Dimms Description F1065 ProReact Digital LHD 68⁰C PVC 2.04... -
Page 18: Glossary
– a single circuit of ProReact linear heat detection cable connected across either a ProReact DiMM or a fi re panel and an end of line resistor Email: info@thermocable.com Call: +44 1274 882359 Thermocable (Flexible Elements) Ltd, www.thermocable.com Pasture Lane, Bradford, BD14 6LU United Kingdom...
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