Honeywell 7800 User's Manual
Contents
1. 005 Honeywell International Inc en paper containing at least 10 65 0228 3 Rev 06 05 post consumer paper fibers Honeywell2. Honeywell 7800 SERIES S7810B Multi Drop Switch Module PRODUCT DATA APPLICATION The Honeywell 7800 SERIES is a microprocessor based integrated burner control for automatically fired gas oil or combination fuel single burner applications The 7800 SERIES is programmed to provide a level of safety functional capability and features beyond the capacity of conventional controls Functions provided by the 7800 SERIES include automatic burner sequencing flame supervision system status indication system or self diagnostics and troubleshooting The S7810B Multi Drop Switch Module supports remote mounting of a Keyboard Display Module personal computer communications interface for multi dropped 7800 SERIES subnetworks and remote reset of a 7800 SERIES Relay Module FEATURES Multi dropped communications bus interface Remote reset Ability to remotely mount a Keyboard Display Module Contents Application esses 1 pac t 1 SPECIHICATHI NS ibi ercer dante rend 2 Ordering Information esse 2 Installation ee ee 2 Building a Multi Drop Network 3 uci p 4 65 0228 3 7800 SERIES S7810B MULTI DROP SWITCH MODULE SPECIFICATIONS Model S7810B Multi Drop Switch Module Electrical Ratings Voltage and Frequency 13 Vdc peak full wave rectified 20 15 Po
3. MINATION RESISTORS INSTALL A 120 OHM 1 4 WATT RESISTOR BETWEEN TERMINALS a AND b OF THE QS7800B CONTROLBUS MODULE IF INSTALLED AT ONE END OF DAISY CHAIN INSTALL A 120 OHM 1 4 WATT RESISTOR BETWEEN TERMINALS 7 AND 8 OF THE LAST S7810B MULTI DROP SWITCH MODULE IN THE DAISY CHAIN B WITH RS 485 REPEATER WHEN AN RS 485 REPEATER IS USED TWO DAISY CHAIN CONFIGURATIONS ARE EFFECTIVELY FORMED MODULES AT THE CLOSEST AND FARTHEST ENDS OF EACH DAISY CHAIN REQUIRE TERMINATION RESISTORS INSTALL A 120 OHM 1 4 WATT RESISTOR BETWEEN TERMINALS a AND b OF THE QS7800B CONTROLBUS MODULE IF INSTALLED AT ONE END OF DAISY CHAIN INSTALL A 120 OHM 1 4 WATT RESISTOR BETWEEN INPUT TERMINALS DATA AND DATA OF THE RS 485 REPEATER INSTALL A 120 OHM 1 4 WATT RESISTOR BETWEEN OUTPUT TERMINALS DATA AND DATA OF THE RS 485 REPEATER INSTALL A 120 OHM 1 4 WATT RESISTOR BETWEEN TERMINALS 7 AND 8 OF THE LAST S7810B MULTI DROP SWITCH MODULE IN THE SECOND DAISY CHAIN LOCAL RS 485 COMMUNICATION BUS THE DEVICES ON THIS BUS MUST BE WIRED IN A DAISY CHAIN CONFIGURATION THE ORDER OF INTERCONNECTION IS NOT IMPORTANT THE MODULES ON THE CLOSEST AND FARTHEST ENDS OF THE DAISY CHAIN REQUIRE A 120 OHM 1 4 WATT TERMINATION RESISTOR BETWEEN TERMINALS 1 AND 2 OR a AND b THREE WIRE SHIELDED CABLE BELDEN 8723 SHIELDED OR EQUIVALENT IS RECOMMENDED AND SHOULD BE GROUNDED AS FOLLOWS IF NO INTERFERENCE IS PRESENT OR TO REDUCE CAPACITIVE INTERFERENCE THE SHIELD SHOULD BE G
4. ROUNDED AT ONE END WHEN GROUNDING ONLY ONE END OF THE SHIELD THE SHIELD END CLOSEST TO THE S7810B MULTI DROP SWITCH MODULE SHOULD BE ATTACHED TO EARTH GROUND TO REDUCE INDUCTIVE INTERFERENCE RF INTERFERENCE THE SHIELD SHOULD BE GROUNDED AT BOTH ENDS REFER TO QS7800B DATA CONTROLBUS MODULE INSTRUCTIONS FORM 65 0227 FOR INSTALLATION INSTRUCTIONS THE MULTI DROP BUS COMMON S7810B TERMINAL 6 AND THE LOCAL BUS COMMON S7810B TERMINAL 3 MUST NOT BE ELECTRICALLY CONNECTED TOGETHER M11348C PPP TERMINAL NUMBERS ARE 203541 5 WIRE CONNECTOR SUPPLIED WITH REMOTE MOUNTING BRACKET Fig 2 Wiring S7810B Multi Drop Switch Module 5 65 0228 3 7800 SERIES S7810B MULTI DROP SWITCH MODULE Fig 3 Explanation of MODE LED light patterns Pattern in Seconds 01 41 M13028 Description OFF LINE The S7810B is not receiving any messages from the QS7800B ControlBus Module LED is off for 1 5 seconds and on for 0 1 second Check for Wiring problems on multi drop bus loose connections broken wires or miswired connections e QS7800B ControlBus Module or S7810B Multi drop Switch Module not connected to multi drop bus e QS7800B ControlBus Module not properly seated Q7700 Network Interface Unit slot No power to Q7700 Network Interface Unit 0 8 feos M13029 SENSING The S7810B is receiving messages from the QS7800B ControlBus Module LED is off
5. all applicable codes ordinances and regulations 6 After installation is complete check out product operation as provided in these instructions IMPORTANT This equipment can cause interference with radio communications This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the Instructions Manual may cause interference with radio communication It has been tested and found to comply with the limits for a Class A computing device pursuant to Subpart J of Part 15 of FCC Rules which are designed to provide reasonable protection against such interference when operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case users at their own expense will be required to take whatever measures may be required to correct the interference Any unauthorized modification of this equipment may result in the revocation of the owner s authority to continue its operation When operating the S7810B remotely with a separate power supply FCC compliance is not guaranteed unless an FCC approved power supply is used When purchasing replacement and modernization products from your TRADELINE wholesaler or distributor refer to the TRADELINE Catalog or price sheets for complete ordering number If you have additional questions need further information or would like to comment on our products or services please w
6. e NIU subject to the above guidelines Record the serial number and physical location of each S7810B Multi Drop Switch This data will be useful when commissioning the ZM7850 Combustion System Manager CSM software Refer to CSM manual form 65 0102 for CSM commissioning 65 0228 3 7800 SERIES S7810B MULTI DROP SWITCH MODULE Examples Network with Maximum of 198 Subnetworks NIU Slot Numbers 1 2 3 5 6 Total Number of Subnetworks 61 61 61 15 Open Open 198 Subnetworks Balanced 33 33 33 33 33 33 198 The open NIU slots can be used for other QS7800 ControlBus Module Cards Network with Maximum of 222 Subnetworks NOTE For networks that have more than 198 subnetworks the last NIU card slot must have the 199th through 222nd subnetwork attached to it NIU Slot Numbers 1 2 3 5 6 Total Number of Subnetworks 61 61 61 15 24 Open 222 Subnetworks Balanced 40 40 40 39 39 24 222 The open NIU slot can be used for other QS7800 ControlBus Module Cards OPERATION The S7810B Multi Drop Switch Module has two communications ports One communications port allows communication on a local bus that contains a burner controller and a keyboard display module s and or an expanded annunciator The other communications port is an addressed switched port which when switched on by the QS7800B 65 0228 3 4 ControlBus Module communicates data from the local bus to the multi dr
7. for 0 8 second and then on for 0 8 second The SENSING pattern reverts to the OFF LINE pattern when it has not received a message from the QS7800B ControlBus Module for more than four seconds RETURNING TO amp 16 EITHER SENSING j OR SWITCH CLOSED PATTERN M13030A ALARM LISTEN The S7810B monitors devices on the local bus and notes any alarm condition LED is on for 1 6 seconds then reverts to the SENSING or switch closed pattern 01 M13031 SWITCH CLOSED The S7810B multi drop bus port switch has been switched on by the QS7800B ControlBus Module and data from the local bus is being sent to the multi drop bus LED is off for 0 1 second and on for 0 1 second repeating for the 1 6 seconds duration foo 4 1 3 13032 FAULT The S7810B has internal fault LED is off for 1 3 seconds on for 0 1 second off for 0 1 second on for 0 1 second Pattern is mainly off with two short blinks ON OR OFF M13033 STEADY STATE CONDITIONS LED is always OFF S7810B is either defective or no power has been applied to it LED is always ON S7810B is defective 65 0228 3 65 0228 3 Automation and Control Solutions Honeywell International Inc Honeywell Limited Honeywell Limit e 1985 Douglas Drive North 35 Dynamic Drive Golden Valley MN 55422 Scarborough Ontario M1V 4Z9 customer honeywell com U S Registered Trademark Printed in U S A led O 2
8. ith line voltage circuits b Do not route the ControlBus cable close to the ignition transformers c Route the ControlBus cable outside of conduit if properly supported and protected from damage d Route the ControlBus cable so that all devices are connected in a daisy chain configuration See Fig 3 5 Maximum wire lengths a RS 485 Communications bus 4000 feet 1219 meters b Remote reset switch 1000 feet 305 meters BUILDING A MULTI DROP NETWORK The subnetwork addressing in the Q7700 Network Interface Unit NIU is not contiguous It is divided into two blocks containing 198 and 24 addresses respectively A maximum multi drop configuration would include 222 subnetworks 198 plus 24 on a single Q7700 NIU One QS7800B ControlBus Module card supports up to 31 multi drop subnetworks without using an RS 485 repeater If an RS 485 repeater is used up to 61 multi drop subnetworks can be supported by one QS7800B card The RS 485 repeater must be installed between the 30th and 31st subnetworks Each subnetwork includes one 7800 SERIES controller with or without an S7800 Keyboard Display Module and or an S7830 Expanded Annunciator An S7810B1007 Multi Drop Switch Module is required in each subnetwork See Fig 3 for wiring information Subnetworks can be spread evenly balanced across the NIU slots to improve speed of communications lt is recommended that the multi drop network be built starting with slot number 1 of th
9. op bus The S7810B also provides a 13 Vdc output for power to a remote Keyboard Display Module and an input for a remote reset switch A MODE light emitting diode LED provides status information through several blinking patterns The patterns repeat every 1 6 seconds See Table 2 7800 SERIES S7810B MULTI DROP SWITCH MODULE QS7800B DATA TM CONTROLBUS MOMENTARY PUSHBUTTON SWITCH 87654321 S7810B MULTI DROP SWITCH MODULE S7800 REMOTE KEYBOARD DISPLAY MODULE S7830 EXPANDED ANNUNCIATOR 7800 SERIES RELAY MODULE REPEATER 87654321 S7810B MULTI DROP SWITCH MODULE 87654321 7800 SERIES S7810B MULTI DROP RELAY MODULE SWITCH MODULE 7800 SERIES RELAY MODULE A MULTI DROP RS 485 COMMUNICATIONS BUS UP TO 31 S7810B MULTI DROP SWITCH MODULES SUBNETWORKS CAN BE CONNECTED TO A SINGLE QS7800B CONTROLBUS MODULE WITHOUT AN RS 485 REPEATER UP TO 61 S7810B MULTI DROP SWITCH MODULES SUBNETWORKS CAN BE CONNECTED TO A SINGLE QS7800B CONTROLBUS MODULE WITH AN RS 485 REPEATER WHEN USING AN RS 485 REPEATER THE REPEATER MUST BE INSTALLED BETWEEN THE 30TH AND 31ST SUBNETWORKS gt THE SUBNETWORKS MUST BE WIRED IN A DAISY CHAIN CONFIGURATION RECOMMEND THAT THE QS7800B CONTROLBUS MODULE BE AT ONE END OF THE DAISY CHAIN MULTI DROP COMMUNICTINS BUS TERMINATION RESISTORS A WITHOUT RS 485 REPEATER MODULES AT THE CLOSEST AND FARTHEST END OF THE DAISY CHAIN REQUIRE TER
10. rite or phone 1 Your local Honeywell Automation and Control Products Sales Office check white pages of your phone directory 2 Honeywell Customer Care 1885 Douglas Drive North Minneapolis Minnesota 55422 4386 In Canada Honeywell Limited Honeywell Limit e 35 Dynamic Drive Scarborough Ontario M1V 429 International Sales and Service Offices in all principal cities of the world Manufacturing in Australia Canada Finland France Germany Japan Mexico Netherlands Spain Taiwan United Kingdom U S A 65 0228 3 Canadian EMI This digital apparatus does not exceed the Class A limits for radio noise emission from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications Le pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de la Classe A prescrites dans le Reglement sur le brouillage radioel ctrique dict par le minist re des Communications du Canada Humidity Install the S7810B where the relative humidity never reaches the saturation point The S7810B is designed to operate in a maximum humidity environment of 85 percent relative humidity continuous noncondensing moisture Weather The S7810B is not designed to be weather tight When installed outdoors protect the S7810B with an approved weather tight enclosure Vibration Do not install the S7810B where it could be subjected
11. to vibration in excess of 0 5G continuous maximum vibration Mounting the S7810B Multi Drop Switch Module 1 Align the two ears of the Multi Drop Switch Module with the two mating slots on the 7800 SERIES Relay Module 2 Insert the two interlocking ears into the two mating slots and with a hinge action push on the lower corners of the Multi Drop Switch Module to secure it to the 7800 SERIES Relay Module Wiring Fig 2 1 Refer to Fig 2 for proper wiring 2 All wiring must comply with all applicable electrical codes ordinances and regulations 3 Recommended wiring size and type a For ControlBus communications use 22 AWG 3 wire shielded cable Belden part number 8723 or equivalent b For 13 Vdc and remote reset switch operation use 22 AWG wire insulated for voltages and temperatures in the application Suggested wire types include TW 60 C THW 75 C and THHN 90 C Terminal identification numbers and letters shown in Table 1 7800 SERIES S7810B MULTI DROP SWITCH MODULE Table 1 S7810B and QS7800B Terminal Identification S7810B QS7800B Signal Terminal Terminal Local Bus Data 1 None Local Bus Data 2 None Common 3 None Local Bus Common 13 Vdc Common Remote Reset Common 13 Vdc 4 None Remote Reset 5 None Multi Drop Bus Common 6 C Multi Drop Bus Data 7 a Multi Drop Bus Data 8 b 4 Wire routing a Do not route the ControlBus cable in conduit w
12. wer Dissipation 2W maximum Terminal Ratings Power 13 Vdc peak full wave rectified Earth ground Local ControlBus 1 2 3 and Multi Drop ControlBus 6 7 8 5 at 1 mA maximum Electrical Connector included ControlBus 208727 8 pin electrical connector Environmental Ratings Ambient Temperature Operating 40 F to 140 F 40 C to 60 Storage 40 F to 150 F 40 C to 66 C Humidity 85 relative humidity continuous noncondensing Vibration 0 5G environment Dimensions See Fig 1 1 1 8 29 i 716 11 MODE O Honeywell surner contro 2 3 4 69 T 5 32 4 27132 123 l 4 4 cal 4 M11349B Fig 1 Mounting dimensions of S7810B Multi Drop Switch Module in in mm Weight 4 ounces Replacement Part 208727 eight pin electrical connector ORDERING INFORMATION INSTALLATION When Installing this Product 1 Read these instructions carefully Failure to follow them could damage the product or cause a hazardous condition 2 Check the ratings given in the instructions and marked on the product to make sure the product is suitable for your application 3 The installer must be a trained experienced flame safeguard technician 4 Disconnect the power supply before beginning installation to prevent electrical shock and equipment damage More than one power supply disconnect can be required 5 Wiring must comply with
Download Pdf Manuals
Related Search