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RTU-MP Controller

19

Demand Limiting

If the RTU-MP receives a level

1

(one degree offset),

2

(two degree offset), or a

3

(4 degree offset) to the

BACnet demand limit variable, the controller expands the heating and cooling setpoints by the configured

demand limit setpoint value and remain in effect until the BACnet demand limit variable receives a

0

value.

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Содержание RTU-MP

Страница 1: ...P C Co on nt tr ro ol ll le er r I In nt te eg gr ra at ti io on n G Gu ui id de e CARRIER CORPORATION 2011 A member of the United Technologies Corporation family Stock symbol UTX Catalog No 48 50H T...

Страница 2: ......

Страница 3: ...n 13 Scheduling 13 Indoor Fan 15 Cooling 15 Economizer 16 Power Exhaust 17 Heating 17 Indoor Air Quality 18 Dehumidification 18 Demand Limiting 19 Troubleshooting 20 LED s 20 BACnet MSTP 21 Modbus 23...

Страница 4: ...ue STAT 42 Notification Class 43 Program 43 Schedule 43 Trend_log 44 Appendix D Johnson Controls N2 Protocol Implementation Conformance Statement 45 Appendix C Modbus Protocol Implementation Conforman...

Страница 5: ...ation System BAS On board DIP switches allow you choose your protocol and baud rate BACnet Modbus Johnson N2 or LonWorks This document will serve as the reference guide for integrating RTU MP into the...

Страница 6: ...Introduction 2 RTU MP Controller...

Страница 7: ...ert symbol When you see this symbol on the unit in the instructions or manuals be alert to the potential for personal injury Understand the signal words DANGER WARNING and CAUTION These words are used...

Страница 8: ...tus fanstat DI 24 VAC J5 1 2 or J5 3 4 or J5 5 6 or J5 7 8 Filter Status filstat DI 24 VAC J5 1 2 or J5 3 4 or J5 5 6 or J5 7 8 Remote Occupancy Input remocc DI 24 VAC J5 1 2 or J5 3 4 or J5 5 6 or J5...

Страница 9: ...o communicate using one of four different protocols BACnet Modbus N2 or LonWorks The default setting is BACnet Switch 3 SW3 on the board is used to set protocol and baud rate Switches 1 and 2 SW1 and...

Страница 10: ...re 16 is the BACnet vendor ID for Carrier Carrier Corporation and xx equals the rotary switch address EXAMPLE To set the RTU MP s MS TP MAC address to 01 point the arrow on the MSB SW1 switch to 0 and...

Страница 11: ...ent 7 Turn on the RTU MP s power Configuring the RTU MP for Modbus RTU Refer to Appendix C of this document for the Modbus Protocol Implementation Conformance Statement PICS 1 Turn off the RTU MP s po...

Страница 12: ...6 for Modbus See example below 5 Leave DS7 and DS8 in the OFF position These switches are not applicable to Modbus SW3 Protocol Switch Settings for Modbus DS8 DS7 DS6 DS5 DS4 DS3 Off Off Off On On Off...

Страница 13: ...slave address to 01 point the arrow on the MSB SW1 switch to 0 and the arrow on the LSB SW1 switch to 1 3 Set the Comm Selector DIP switches DS1 and DS2 for the 9600 baud NOTE Use the same baud rate...

Страница 14: ...uit board with fingerprints moisture or any foreign material Do not touch components or leads Handle the board by its edges Isolate from high voltage or electrostatic discharge Ensure that you are pro...

Страница 15: ...ion to enable the LON OC 5 Leave Comm Selector DIP Switch DS8 on SW3 in the OFF position since it is not used SW3 Protocol Switch Settings for LonWorks DS8 DS7 DS6 DS5 DS4 DS3 Off On On Off On Off The...

Страница 16: ...hese variables can be bound or accessed by the network management tool NOTE Contact your local Carrier representative for a copy of the XIF file The Browse feature of the Network Management Tool also...

Страница 17: ...own hardware clock that is set automatically when the software is installed on the board The default is to control to occupied setpoints all the time until a type of occupancy control is set Occupancy...

Страница 18: ...times 7 Edit these times following Steps 5 and 6 8 Scroll down to Days section and highlight the days required for the Daily schedule by INCR or DECR softkeys 9 Press the OK softkey The Holiday schedu...

Страница 19: ...SPT alarm are active the fan will be shutdown immediately regardless of the occupancy state or demand The RTU MP does not include controls algorithms for additional building smoke control functions su...

Страница 20: ...the supply air temperature has increased above the low supply air setpoint After a compressor is staged off it may be started again after a normal time guard period and the supply air temperature has...

Страница 21: ...e true in order for this algorithm to run Indoor Fan has been ON for at least 30 seconds Cool mode is not active and the time guard between modes equals zero If occupied and SPT occupied heat setpoint...

Страница 22: ...mum damper position configuration then it will be clamped to the configured value Dehumidification The RTU MP provides occupied and unoccupied dehumidification on units that are equipped with the Carr...

Страница 23: ...degree offset 2 two degree offset or a 3 4 degree offset to the BACnet demand limit variable the controller expands the heating and cooling setpoints by the configured demand limit setpoint value and...

Страница 24: ...erator should begin troubleshooting the unit equipment rather than the RTU MP or network Third party network may also help in troubleshooting the controller and rooftop unit Third party network troubl...

Страница 25: ...the same communication settings 8 data bits No Parity and 1 stop bit 5 Verify proper connection wiring between the BAS and the controller 6 Verify that the controller has a unique MAC address on the M...

Страница 26: ...software asks the controllers Who Is This is to auto locate devices on the network Only controllers set as masters will answer this request See Appendix A for Points Mapping tables See Appendix B for...

Страница 27: ...controller s unique slave address 7 BAS must be reading or writing to the proper point addresses on the controller 8 BAS is sending requests to the proper slave address of the controller NOTES Refer t...

Страница 28: ...w the active protocol and baud rate 2 Verify that the BAS and the controller are both set for the same baud rate 38 4k for LonWorks Comm Selector DIP switches DS2 and DS1 By getting a Modstat of the c...

Страница 29: ...se harmful interference in which case the user will be required to correct the interference at his own expense CAUTION Changes or modifications not expressly approved by the responsible party for comp...

Страница 30: ...101 AV 4101 AV 2102 AV 4102 AV 3003 AV 4002 AV 2002 AV 4006 AV 2001 AV 4004 AV 4005 AV 2004 AV 2005 AV 2015 AV 4025 AV 3004 AV 4003 AV 2003 AV 4011 AV 4010 AV 4009 BACnet Point Name lstat zone_temp ls...

Страница 31: ...dbus Register Type float value float value float value float value float value float value float value float value float value float value float value float value float value float value float value f...

Страница 32: ...e in discrete out discrete in discrete in discrete in discrete in discrete in discrete in discrete in discrete in BACnet Info BACnet Object ID AV 4022 AV 4020 BV 4006 BV 4005 BV 2101 BV 4101 BV 2102 B...

Страница 33: ...Set 1 no function 2 Enthalpy Switch 3 Fan status 4 Filter status 5 Remote occupancy BACnet Point Name test_c2 test_hmz test_h1 test_h2 test_x2 test_sf sf sf_rt_clear fanstat sys_down inp_01_func inp_0...

Страница 34: ...t status 1 Off 2 Fan Only 3 Free Cooling 4 Cooling 5 Heating 6 Dehumidification 7 Test 8 Shutdown BACnet Info BACnet Object ID MSV 3018 MSV 3009 MSV 3019 MSV 4003 MSV 4002 MSV 4001 MSV 2001 MSV 2002 B...

Страница 35: ...e in discrete in BACnet Info BACnet Object ID BV 7021 BV 7005 BV 7020 BV 7022 BV 7019 BV 7006 BV 7003 BV 7023 BV 7002 BV 7024 BV 7010 BV 7012 BV 7001 BV 7004 BV 7008 BV 7009 BV 7011 BV 6001 BACnet Poi...

Страница 36: ...e protocols BACnet Standardize Device Profile Annex K B AAC List of all BACnet Interoperability Building Blocks Supported Annex K DS RP A AE N I B SCHED I B T VMT I B DM DDB A DS RP B AE ACK B T ATR B...

Страница 37: ...dium __________ Other Device Address Binding Methods Supported XX Send Who Is receive I Am BIBB DM DDB A XX Receive Who Is send I Am BIBB DM DDB B XX Send Who Has receive I Have BIBB DM DOB A XX Recei...

Страница 38: ...ue notification_class notify_type reliability resolution time_delay update_interval 4 Writeable Properties cov_increment deadband description device_type event_enable high_limit limit_enable low_limit...

Страница 39: ...ited by min_pres_value and max_pres_value properties relinquish_default limited by min_pres_value and max_pres_value properties notification_class must be valid notification_class time_delay 0 to 4294...

Страница 40: ...s None 6 Range Restrictions None Analog Value STAT Analog Value STAT 1 Creatable NO 2 Deletable NO 3 Optional Properties Supported acked_transitions cov_increment deadband description event_enable eve...

Страница 41: ...4967295 description limited to 50 octets in length device_type limited to 50 octets in length elapsed_active_time 0 to 4294967295 inactive_text limited to 50 octets in length notification_class must b...

Страница 42: ...NO 3 Optional Properties Supported acked_transitions active_text alarm_value change_of_state_count change_of_state_time description elapsed_active_time event_enable event_time_stamps inactive_text mi...

Страница 43: ..._off_time minimum_on_time notification_class notify_type reliability time_delay time_of_active_time_reset time_of_state_count_reset 4 Writeable Properties active_text alarm_value change_of_state_count...

Страница 44: ...es alarm_value event_enable notification_class notify_type out_of_service time_delay 5 Proprietary properties None 6 Range Restrictions notification_class must be valid notification_class time_delay 0...

Страница 45: ...etries object_identifier object_name time_synchronization_recipients utc_offset 5 Proprietary properties None 6 Range Restrictions description limited to 50 octets in length location limited to 50 oct...

Страница 46: ...s description limited to 50 octets in length notification_class must be valid notification_class present_value must be valid state relinquish_default must be valid state time_delay 0 to 4294967295 Mul...

Страница 47: ...le Program NO 2 Deletable NO 3 Optional Properties Supported description description_of_halt instance_of program_location reason_for_halt reliability 4 Writeable Properties description program_change...

Страница 48: ...upported acked_transitions client_cov_increment cov_resubscription_interval current_notify_time description event_enable event_time_stamps log_device_object_property log_interval notification_class no...

Страница 49: ...s The RTU MP controller speaks the Johnson N2 Open Protocol as described in the Metasys N2 System Protocol Specification for Vendors document revision 6 13 96 Further details on the N2 supported imple...

Страница 50: ...RTU MP Controller Read Analog Output Read Binary Output Read Internal Parameter Write Analog Input Write Binary Input Write Analog Output Write Binary Output Write Internal Parameter Override Analog I...

Страница 51: ...egister Numbers 01 Read Coil Status Read Discrete Outputs 00001 09999 02 Read Input Status Read Discrete Inputs 10001 19999 03 Read Holding Registers Read Holding Registers 40001 49999 04 Read Input R...

Страница 52: ...TU MP Controller Signed Integer SINT 32768 32767 3 Read Holding Register 6 Preset Single Register 16 Preset Multiple Register Discrete Input DI 0 Off 1 On 2 Read Input Status Discrete Output DO 0 Off...

Страница 53: ...management tool can design and configure the RTU MP prior to installation Contact your Carrier representative for this XIF file LonWorks is an open protocol that requires the use Echelon s Neuron mic...

Страница 54: ......

Страница 55: ...s table 4 J Johnson N2 5 9 23 45 L LonWorks 5 10 24 49 LonWorks Option Card 10 M Modbus 5 7 23 47 N Network Points List 26 S Sequence of operation Cooling 15 Dehumidification 18 Demand limiting 19 Eco...

Страница 56: ......

Страница 57: ......

Страница 58: ...RTU MP Controller 54 CARRIER CORPORATION 2011 A member of the United Technologies Corporation family Stock symbol UTX Catalog No 48 50H T 1SB 1 27 2011...

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