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Related Manuals for Grundfos BACnet MS/TP
Summary of Contents for Grundfos BACnet MS/TP
- Page 1 GRUNDFOS INSTRUCTIONS BACnet for MIXIT Functional profile and user manual...
- Page 3 BACnet for MIXIT English (GB) Installation and operating instructions ............4...
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Page 4: Table Of Contents
Connecting fieldbus to MIXIT ....9 Configuring BACnet MS/TP ....9 A blue or grey circle with a white graphical symbol Configuring BACnet IP . -
Page 5: Definitions And Abbreviations
1.3 Definitions and abbreviations 1.4 BACnet bus topology BACnet MS/TP is a multi-master system, meaning that there can be more than one master on the network. It uses a token to control Cyclic Redundancy Check. A access to the bus network. A master node may initiate the data error detection method. -
Page 6: Important Information Before Setting Up The System
Character set support ANSI X3.4 character code known as ASCII. BACnet device profile B-ASC BACnet Application-Specific controller. The MIXIT unit is a BACnet MS/TP BACnet MS/TP master master device. Manual slave address binding BACnet protocol revision Max. master range 1-127... -
Page 7: Cables
227000. You can change the number via Grundfos GO Remote. 2.3.2 Custom Device Object Instance Number The MIXIT unit uses a custom Device Object Instance Number, which is 231. You can activate the number via Grundfos GO Remote and change it via AV,0. Object name... -
Page 8: Terminal Connections Overview
Description Ethernet RJ45 (BACnet IP, Modbus TCP). Configurable I/O. Configurable I/O. RS485 transceiver (BACnet MS/TP, Modbus RTU). Relay 1. Relay 2. Mains supply. Carry out the electrical connection and protection according to local regulations. The terminals are coded in such a way that the relay terminal plugs cannot be used in the RS485 input and the configurable inputs... -
Page 9: Connecting Fieldbus To Mixit
Set up the fieldbus connection in the Grundfos GO Remote BO,0 Source 1: Bus control app. Status • If it is the first time MIXIT is connected to Grundfos GO 0: Local control BI,0 Control Remote, the setup is done via the Initial startup wizard. 1: Bus control Source The wizard guides you through the setup. -
Page 10: Setting The Application Type
• 2: Setpoint is given via analog input terminals. 0: Local control (default) Set Control BO,0 - Analog sensor inputs must be configured via Grundfos GO Source 1: Bus control Remote. See 8.2 Configuring a setpoint from analog input. - Page 11 For all options the actual temperature setpoint used by the algorithm can be read at AI,2 (Data Act Temp Setpoint). Configuration of analog input must be made via Grundfos GO Remote. Temperature setpoint via fieldbus. Enabling: Temperature • Set MV,0 (Config Temp Setpoint...
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Page 12: Functions
7. Functions 7.1 Functions overview Valve unit variants Upgrades Functions MIXIT MIXIT DYNAMIC DYNAMIC CONNECT Temperature controller • • • • Underfloor overheat protection (available in underfloor heating systems) • • • • Coil preheat and frost protection (available in air handling unit systems) •... -
Page 13: Temperature Controller
Press Max. flow temperature to define a maximum This function can only be adjusted via Grundfos GO Remote. forward-flow temperature. The temperature in the system will never exceed the given value. The setpoint can be set to 7.2.1 Setting the temperature controller... -
Page 14: Coil Preheat And Frost Protection
The function can be active only for heating coil applications and can Read the system state via MI,2 (Status System State [Enum]). only be set via Grundfos GO Remote. If coil frost is detected, a notification is given via BI,7 to 1. -
Page 15: Pump Control Modes
7.5 Pump control modes 7.5.2 Setting the duty point for constant-speed control mode This duty point is set via AV,9 (speed duty point). The duty point is a 7.5.1 Configuring the pump control mode percentage of the maximum speed. In this control mode, the pump Configure the pump control mode via MO,0. - Page 16 7.5.4 Setting the duty point for proportional-pressure control 7.5.5 Setting the duty point for constant-flow control mode mode The duty point is set via AV,8 (flow duty point). In this control mode, The duty point is set via AV,7 (head duty point) and AV,8 (flow duty the pump flow will be constant.
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Page 17: Outdoor Temperature Compensation
MIXIT unit - AV,5 (Config Heat curve by setting MV,0 to 4. The sensor must be configured via slope (+/-) [-]) Grundfos GO Remote. See Configuring an outdoor For all options the actual temperature sensor input and outdoor temperature temperature setpoint used by the compensation. -
Page 18: Eco Schedule
With the Eco schedule you can configure start and stop intervals on sensor is lost. a weekly basis as well as set single events. 0: False This function can only be set via Grundfos GO Remote. Heat Curve 1: True BI,13 Slope Factor 7.7.1 Scheduling Eco periods... -
Page 19: Warm-Weather Shutdown
Once the function has been activated or the function settings have been changed, MIXIT will immediately act accordingly. Object name R/W Description This function can only be set via Grundfos GO Remote. Config 0: Disabled 7.8.1 Setting warm weather shutdown... -
Page 20: Energy Monitor
BI,9 to 1. Grundfos GO Remote menu: All limiters can run simultaneously. Main menu > Monitoring > Heat energy monitor... -
Page 21: Configuring Inputs In Grundfos Go Remote
8. Configuring inputs in Grundfos GO Remote 8.1 Configuring an outdoor temperature sensor input and outdoor temperature compensation When setting an outdoor temperature sensor input in Grundfos GO Remote, you have the option to configure the function Outdoor temperature compensation as well. -
Page 22: Fault Finding The Product
Wait for several minutes between each increase. MIXIT and MAGNA3, see the installation and operating instructions for the products If necessary, adjust the integral time with Grundfos GO Remote. 9.1 The external control icon is not switched on 9.4 The MIXIT unit was put into bus control, but it is now... -
Page 23: Reading And Resetting Warnings And Alarms
9.8 Reading and resetting warnings and alarms • Read out system warnings via AI,35. • Read out system alarms via AI,37. • Pump warnings codes are read via AI,5. • Pump alarm codes are read via AI,6. • Reset alarms and warnings via BO,2. Object name R/W Description 97: Missing analog input... -
Page 24: Index
BACnetObjectType Device System_Status BACnetDeviceStatus Operational Vendor_Name Character string Grundfos Vendor_Identifier Unsigned16 Grundfos product family. This will show the Grundfos pump model Model_Name_Family Character string to which the MIXIT unit is connected to. Model_Name_type GrundfosUnitType Grundfos product type number. Model_Name_version GrundfosUnitVersion Grundfos product version number. -
Page 25: Functions For Configuration And Control
Property identifier Data type Description Access This specifies the highest possible address for master nodes and must be between 1 and 127. The Max_Master Unsigned default value is 127, but this value can be lowered by the user to reduce transmission overhead. This specifies the maximum number of information frames that Max_Info_Frames... - Page 26 6 and above: Associated with AO,3 to AO,8 (external sensor inputs). For all options, the actual temperature setpoint used by the algorithm can be read at AI,2 Data Act Temp Setpoint. Configuration of analog input must happen via Grundfos GO Remote. Temperature setpoint via fieldbus. Enabling:...
- Page 27 10.2.5 System alarm/warning status and reset Object name Description Warning codes for the MIXIT unit: 97: Missing analog input 125: Outdoor sensor fault 126: Remote air temperature sensor fault 127: System pressure sensor fault Status System Warning Code AI,35 [Enum] 157: Real time clock battery fault 169: Flow sensor fault 175: Supply (forward) temp.
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Page 28: Simulation Functions
10.3 Simulation functions 10.3.1 Protection functions Object name Description 0: Disable overheat protection (default) 1: Enable overheat protection BO,3 Simulate Overheat Protection W When enabled, the valve is closed. The function is only active for underfloor heating application. Actual status is read via BI,6 (Warning Flow Temperature High). 0: Disable frost protection (default) 1: Enable frost protection BO,4... - Page 29 BI,8 Notification Supply Flow High R notification is not resettable, but it will reset itself. The supply flow limit function is enabled and disabled with Grundfos GO Remote or BV,0 (Config Supply Flow Limiting ED). 0: Not above 1: Above.
- Page 30 Object name Description 0: Disabled (default) 1: Enabled. Config Primary DeltaT BV,3 Enabling of primary differential temperature limiter. When enabled, the Limiting ED differential temperature on the primary side is limited below the configuration in AV,13 (Config Primary Delta T Limit [°C]). Config Supply Flow Limit Primary flow limit for hydronic balancing.
- Page 31 Description Outdoor temperature measured at analog input. The outdoor temperature AI,26 Data Outdoor Temp [°C] sensor configuration is done via Grundfos GO Remote. Air temperature measured at analog input. The air temperature sensor AI,27 Data Zone Air Temp [°C] configuration is done via Grundfos GO Remote.
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Page 32: Bacnet Telegrams
0x55 0xFF For BACnet MS/TP, the destination address and source address are MAC addresses. A destination address of 255 (0xFF) denotes broadcast. The length field specifies the length in bytes of the data field which must be between 0 and 501 bytes long. -
Page 33: Device Management Services
● The MIXIT unit can provide address information about DM-DOB-B their objects upon request. I-Have ● The MIXIT unit can respond to communication control DeviceCommunicationControl DM-DCC-B requests. It supports both limited and unlimited duration. ● Password (where required) is Grundfos. - Page 34 Tel.: +387 33 592 480 Centre Turkey Fax: +387 33 590 465 29-33 Wing Hong Street & 68 King Lam GRUNDFOS Pumper A/S GRUNDFOS POMPA San. ve Tic. Ltd. Sti. www.ba.grundfos.com Street, Cheung Sha Wan Strømsveien 344 Gebze Organize Sanayi Bölgesi E-mail: grundfos@bih.net.ba...
- Page 35 99258495 12.2020 ECM: 1301454...
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