About this Manual References Abbreviations and Definitions Network Connection Hardware Set-up VLT Parameters Analog Inputs (AI) Binary Inputs (BI) Analog Outputs (AO) Binary Outputs (BO) Internal Floating Point (ADF) Internal Integers (ADI) Index MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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® 1. Overview HVAC Drive Metasys N2 MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
In addition to this manual, the following two manuals should be consulted: Operating Instruction, MG.11.Ax.yy Johnson Controls METASYS N2 System Protocol Specifi- cation for Vendors, Johnson Controls number 04-3402-22, rev A MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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® 2. Instructions HVAC Drive Metasys N2 MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
Terminal 68 is connected to the P signal (TX+, RX+), while terminal 69 is connected to the N signal (TX-,RX-). If more than one frequency converter is connected to a master, use parallel connections. MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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S801 on the control card to "ON". For more information, see the paragraph: Switches S201, S202 and S801. Communication protocol must be set to FC MC par. 8-30. MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
Protocol Metasys N2 8-31 Address 1-255 8-32 Baud rate 9600 Fixed to 9600 8-33 Parity Even, 1stop Fixed to No Parity, 1stop 8-37 Max Inter-char delay 25 s for Metasys N2 MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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Download Complete tion quency converter Slave device memory read based Read Memory on memory addresses Warm Start JCI use only Table 2.1: No Region, Attribute Number and -type in this table. MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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Optional command for ACK, no ac- Write Analog slave devices. Only 0-23 tion Input Attributes used for N2 commis- sioning purposes Table 2.2: No Error code in this table. MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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(JCI use only) Error code 11 is used because attributes are considered as fields/records in the point map database. Table 2.3: No Subcommand coloumn in this table. MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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Output for no action slave Attributes devices. Only used for N2 commission- ing purposes. Not to be implemented at this time Table 2.4: No Error Code coloumn in this table. MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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(JCI use only) Error code 11 is used because attributes are considered as fields/records in the point map database. Table 2.5: No Subcommand coloumn in this table. MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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ACK, no 0-135 Read Bi- Optional command action nary In- for Attributes slave devices. Only used for N2 commission- ing purposes. Not to be implemented at this time MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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(JCI use only) 0-135 Inte- Write Bi- Write Accumulator ger3 nary In- value attribute asso- ciated with each indi- vidual point (JCI use only) Table 2.6: No Subcommand coloumn in this table. MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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ACK, no 0-10 Read Binary Optional command for action Output slave devices. Only Attrib- utes used for N2 commis- sioning purposes Table 2.7: No Error Code coloumn in this table. MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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(16 bit) 0-254 Override Re- Set the current value, lease the value that it was before the 1. Override Command was issued Table 2.9: No Error Code coloumn in this table. MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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VLT) 0-101 Override Re- Set the current value, lease the value that it was before the 1. Over- ride Command was issued Table 2.10: No Error Code coloumn in this table. MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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Char1 subcommand Char2 region Char2 object number (NPA) 04 (Start) Char2 override value 01 (Active) Checksum Telegram code: Issue a frequency reference through the mas- >XX72040401YY <CR> ter, to the device: MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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100% to 200% and -200% to -100% applies only to the reference. The Float representation of the value 200% must be limited to maximum 32767 and minimum -32768. MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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A write command to an ADF (Internal Floating Point) or BD (Internal Byte) point type will be stored in the drive's EEPROM. If write command is issued to an overridden point, the new value will not be stored in the drive's EEPROM. MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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Poll sequence receiving a 0/4 Poll before sending the ACK response will cause the frequency converter to re-transmit its latest response. The drawing below illustrates the AI COS handling. MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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The BI COS will set the Alarm (Object Status bit 4) if COS enabled (Object Configuration Bit 0) is set, Alarm Enabled (Object configuration bit 3) is set, and Current State (Object Status bit 6) is different from Normal State (Object Configuration bit 1). MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
1 to 254. The latter software will interpret object number 0 as 1, and 1 as 2, etc. To access the proper point with this Metasys software, add 1 to the NPA number in the tables. MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
Analog Option Output Termi- 26-63 nal X42/9 Analog Option Output Termi- 26-73 nal X42/11 Please refer to scaling of Bus Reference and Feedback, Section on Scaling or Bus Reference and Feedbacks. MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
4-61:0 width Frequency 1 Bypass 4-63:0 Frequency 2 Bypass 4-61:1 Frequency 3 Bypass 4-63:1 Frequency 4 Bypass 4-61:2 Warning Current 4-63:2 Low(ILOW) Warning Current 4-61:3 High(IHIGH) Warning Freq. Low(FLOW) 4-63:3 MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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Unit Set point 1 21-15 Unit Set point 2 PID Start frequency PID Proportional gain PID Integration time PID Differentiation time PID D-gain limit PID Feedback filter time Override release time MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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"Feedback" if closed loop - and "100 Hz" if open loop Unit is power dependent The drive must be stopped to change this point The point is global in all 4 setups Not availabele in all units. MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
Option B Relay 2 0 to 255 5-40:7 Function Option B Relay 3 0 to 255 5-40:8 Function Reset function 14-20 Flying start 1-73 Noise reduction 14-04 method Function at low cur- 22-60 rent MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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0 to 145 26-70 X42/11 mode ECB Bypass mode 0 to 4 31-00 Active setup Drive must be stopped to change this point The point is global in all 4 setups MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
Internal Integers (adi) Commands (acknowledged) Network Connection Override/override Release Commands And Time Out Reference/feedback Values References Scaling Of Bus Reference And Feedback Start-up Of The Frequency Converter Status Update Request Typical Settings MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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Index ® HVAC Drive Metasys N2 Vlt Parameters MG.11.G1.02 - VLT ® is a registered Danfoss trademark...
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