EMS510 Electrical Wiring Guide Volume 2, Rev 1.4

Transcription

1 EMS510 Electrical Wiring Guide Volume 2, Rev 1.4 Prepared by Michael L. Kominske Environmental Monitor Service Inc. PO Box 4340 Yalesville, CT Phone Fax

2 GUIDELINES FOR USER SAFETY AND EQUIPMENT PROTECTION This manual is intended to aid trained and competent personnel in the installation of this equipment. Only a technician or engineer trained in the local and national electrical standards should perform tasks associated with the electrical wiring of this device. Warnings Under no circumstances will Environmental Monitor Service, Inc. be liable or responsible for any consequential damage that may arise as a result of installation or use of this equipment. All examples and diagrams shown in the manual are intended to aid understanding. They do not guarantee operation. Environmental Monitor Service, Inc. accepts no responsibility for actual use of this product based on these examples. Due to the great variety of possible applications for this equipment, the user must assess the suitability of this product for specific applications. Make sure to have safety procedures in place to stop any connected equipment in a safe manner if the controller should malfunction or become damaged for any reason. Do not replace electrical parts or try to repair this product in any way. Only qualified factory trained service personnel trained in its operation should open the device s housing or carry out repairs. The manufacturer is not responsible for problems resulting from improper or irresponsible use of this device. You may cause an electric shock, fire or damage the equipment if you ignore any of these safety precautions. Page 2

3 Table of Content CONTENTS SECTION 1 INSTALLATION ELECTRICAL CONNECTIONS... 4 EMS OF1 CONTROL UNIT TO SMART SERVICE MODULE (SSM) WIRING... 4 SECTION 2 RS485 NETWORK WIRING... 5 RS485: PIN OUT... 6 SECTION 3 CONTROL UNIT OUTPUT CONNECTIONS... 8 CHANNEL #1 AND CHANNEL #2 4-20MA OUTPUTS TO RECORDING DEVICES... 8 ALARM OUTPUT CONNECTIONS... 9 Group one... 9 group two... 9 Page 3

4 SECTION 1 INSTALLATION ELECTRICAL CONNECTIONS EMS OF1 CONTROL UNIT TO SMART SERVICE MODULE (SSM) WIRING If using negative draft or plant air disregard blower and SW1&2 information. Page 4

5 SECTION 2 RS485 NETWORK WIRING Use cables to network devices that meet specs of Belden Cable P/N 3106A Multi -Conductor EIA Industrial RS-485 PLTC/CM or equivalent: 22AWG stranded (7x30) tinned copper conductors, Datalene insulation, twisted pairs, overall Beldfoil shield(100% coverage) plus a tinned copper braid(65% coverage), drain wire, UV resistant PVC jacket. Impedance of 120 ohms Network cables cannot exceed 1219 meters, 4,000 ft. If Longer distance is required, wireless option should be considered. Please contact the factory. Page 5

6 RS485: PIN OUT Use RS485 to create a multi-drop network containing up to 32 devices. Note: port #1is set to RS485 Note that the ports are not isolated. If controller is used with a non-isolated external device, avoid potential voltage that exceeds +/- 10V. To avoid damaging the system, all non-isolating device ports should relate to the same ground signal. Use shielded, twisted pair cables. Minimize the stub (drop) length leading from each device to the bus. Ideally, the main cable should be run in and out of the network device. Do not cross positive (A) and negative (B) signals. Positive terminals must be wired to positive and negative terminals to negative Page 6

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8 SECTION 3 CONTROL UNIT OUTPUT CONNECTIONS CHANNEL #1 AND CHANNEL #2 4-20MA OUTPUTS TO RECORDING DEVICES Maximum 500 ohm device load) Connect the (-) minus wire from your device to the bottom connector terminal 0V and the (+) plus wire from your device to the terminal AO for channel 1 and AI for channel 2. Page 8

9 ALARM OUTPUT CONNECTIONS Alarm outputs are SPST relays. There are 2 groups each group has its own common, See drawing EMS-1149 for connection details. Relays are rated at: 30Vdc, 3Amp max per relay and 8Amp max per common. If you need to switch high voltage AC contact the factory for recommendations or to service@emsct.com. GROUP ONE 00 & 01 - DO NOT USE USED FOR Z/S COMMAND LINES TO SERVICE MODULE HIGH OPACITY ALARM RELAY 02 Set point and delay are chosen in the setup page. Choose Auto or manual mode in the setup page. For 02 to be utilized as a boiler shut down you must select Manual in the alarm set up page HIGH OPACITY AUDIBLE ALARM RELAY 03 may be used for audible alarm and can be reset (acknowledged) even if the opacity is still above the set point. GROUP TWO 04 - COMMON FAULT RELAY Faults are; Maintenance, Power status, T2 Signal, -ev (Negative opacity), Zero cal and Span cal. Note: the ev (Negative opacity) can be turned on or off by the user see page 25 for instructions ZERO TO DAS RELAY Cal in progress or zero is by dry contacts on terminal 05 group 2 common. This contact remains closed until cal is completed, i.e. both zero & span SPAN TO DAS RELAY Cal span is by dry contact on Terminal 06 & group 2 common. This contact remains closed during Cal span AIR PURGE ALARM RELAY Page 9

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