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6.2  Parameter Description

6.2.1 8-** Comm. and Options 

8-01  Control Site

Option:

Function:

The setting in this parameter overrides
the settings in 

8-50 Coasting Select

 to 

8-56 Preset Reference Select

.

[0] 

*

Digital and
ctrl.word

Control by using both digital input and
control word.

[1]

Digital only

Control by using digital inputs only.

[2]

Controlword only

Control by using control word only.

8-02  Control Source

Option:

Function:

Select the source of the control word: one of two
serial interfaces or four installed options. During
initial power-up, the frequency converter automat-
ically sets this parameter to 

Option A

 [3] if it

detects a valid fieldbus option installed in slot A. If
the option is removed, the frequency converter
detects a change in the configuration, sets

8-02 Control Source

 back to default setting

 FC Port

,

and the frequency converter then trips. If an
option is installed after initial power-up, the
setting of 

8-02 Control Source

 will not change but

the frequency converter will trip and display:
Alarm 67 

Option Changed

.

[0]

None

[1]

FC Port

[2] 

*

USB Port

[3]

Option A

[4]

Option B

This parameter cannot be adjusted while the motor is
running.

8-03  Control Timeout Time

Range:

Function:

0 s

*

   [0.1 -
18000 s]

Enter the maximum time expected to pass
between the reception of two consecutive
telegrams. If this time is exceeded, it indicates that
the serial communication has stopped. The
function selected in 

8-04 Control Timeout Function

will then be carried out.
In BACnet the following variables will trigger the
Control Word Time parameter:

Analog Outputs

Binary Outputs

AV0

AV1

AV2

8-03  Control Timeout Time

Range:

Function:

AV4

BV1

BV2

BV3

BV4

BV5

Multistate Outputs

8-04  Control Timeout Function

Option:

Function:

Select the time-out function. The time-
out function is activated when the
control word fails to be updated within
the time period specified in

8-03 Control Timeout Time

. Choice [20]

only appears after setting the Metasys
N2 protocol.

[0] 

*

Off

[1]

Freeze output

[2]

Stop

[3]

Jogging

[4]

Max. speed

[5]

Stop and trip

[7]

Select setup 1

[8]

Select setup 2

[9]

Select setup 3

[10] Select setup 4
[20] N2 Override Release

8-05  End-of-Timeout Function

Option:

Function:

Select the action after receiving a valid control
word following a time-out. This parameter is
active only when 

8-04 Control Timeout Function

is set to [Set-up 1-4].

[0]

Hold set-up Retains the set-up selected in 

8-04 Control

Timeout Function

 and displays a warning, until 

8-06 Reset Control Timeout

 toggles. Then the

frequency converter resumes its original set-up.

[1] 

*

Resume set-
up

Resumes the set-up active prior to the time-
out.

8-06  Reset Control Timeout

Option:

Function:

This parameter is active only when the choice 

Hold

set-up

 [0] has been selected in 

8-05 End-of-Timeout

Function

 .

[0] 

*

Do not
reset

Retains the set-up specified in 

8-04 Control Timeout

Function

, [Select setup 1-4] following a control

time-out.

Parameters

VLT

®

 HVAC Drive Native BACnet Operating Instructions

24

MG.14.C1.02 - VLT

®

 is a registered Danfoss trademark

6

6

Summary of Contents for Native BACnet VLT HVAC Drive

Page 1: ...MAKING MODERN LIVING POSSIBLE Operating Instructions Native BACnet VLT HVAC Drive...

Page 2: ...10 4 How to Configure the System 11 4 1 Configuring BACnet 11 4 2 Example of a simple setup of BACnet 12 5 BACnet Objects 13 5 1 Feedback to Network 20 5 2 BIBBs 20 6 Parameters 22 6 1 Parameter Over...

Page 3: ...notify former or present users of such revisions or changes 1 1 2 Safety Note Safety Regulations 1 The frequency converter must be disconnected from mains if repair work is to be carried out Check tha...

Page 4: ...s been stopped may start if faults occur in the electronics of the frequency converter or if a temporary overload or a fault in the supply mains or the motor connection ceases 1 1 3 Symbols Symbols us...

Page 5: ...rent and short circuit protection Selection of power cables mains motor brake loadsharing and relay Grid configuration grounded delta transformer leg IT TN etc Safety of low voltage ports PELV conditi...

Page 6: ...vice Requests it must be able to initiate Conformance Class 6 requires 21 types of Service Requests of the 32 overall to be implemented of which 20 must be initi able and 17 executable Conformance Cla...

Page 7: ...11 Dx yy Operating Instructions VLT HVAC Drive LonWorks MG 11 Ex yy Operating Instructions VLT HVAC Drive Metasys MG 11 Gx yy Operating Instructions VLT HVAC Drive FLN MG 11 Zx yy Output Filter Desig...

Page 8: ...repeater is a node in both of the two segments it connects The number of frequency converters is based on a single master system If there are two or more devices e g PC tools Routers the number of fr...

Page 9: ...requency converter 2 Connect the cable screen as described under chapter Bus Cabling NOTE Screened twisted pair cables are recommended to reduce noise between conductors 3 1 3 Network Termination 130B...

Page 10: ...e when operating the switches The switches must not be operated with power on the frequency converter 130BT310 10 1 2 N O VLT BUS TER OFF ON A53 A54 U I U I 3 1 5 Cable Routing The BACnet communicatio...

Page 11: ...hat a lightning stroke will be carried from one building to another and problem with difference in earth potential can be neglected 3 2 3 Multiple Ground Shielding If the distance between the individu...

Page 12: ...ding on the system and each device connected to the BACnet MS TP must have a unique adress on this MS TP network Please also see section Parameter Overview Parameter List Parameter Default Value Setti...

Page 13: ...eed Set the following parameters Parameter Value 8 30 Protocol BACnet 5 8 31 Address 20 8 32 Baud Rate 38 400 Baud 4 8 50 Coasting Select Bus 1 8 70 BACnet Device Instance 1025 8 72 MS TP Max Masters...

Page 14: ...1676 MCB 101 AI 4 Analog In X42 1 1830 V MCB 109 AI 5 Analog In X42 3 1831 V MCB 109 AI 6 Analog In X42 5 1832 V MCB 109 Table 5 1 Analog Inputs Object Map ID Object_Name Present_Value Default name Pa...

Page 15: ...14 AV 15 Motor Thermal 1618 AV 16 Reserved for VFD profile AV 17 AV 18 AV 19 AV 20 AV 21 Operating Hours 1500 Hours AV 22 Running Hours 1501 Hours AV 23 kWh Counter 1502 kWh AV 24 Motor Voltage 1612 V...

Page 16: ...it 2096 NONE x Table 5 3 Analog Values 1 Either AV 1 or AV 2 controls the drive reference Only one of them can control the frequency converter at a time and BV 2 decides which one 2 This value is not...

Page 17: ...exceeded External Fault 12 142 External fault has been activated in the inverter This is a hard fault that must be reset Operator Interface Error 13 Inverter programming or operational interface malf...

Page 18: ...ved for P1660 x MCB 115 Table 5 5 Binary Inputs ID Object_Name Present_Value Default name Parameter Bit number Writeable Cmd able Timeout Option BO 0 Digital Output Term 27 590 0 x x x BO 1 Digital Ou...

Page 19: ...for VFD profile BV 8 BV 9 BV 10 BV 11 BV 12 BV 13 BV 14 BV 15 BV 16 BV 17 BV 18 BV 19 BV 20 BV 21 Warning x x STW 7 BV 22 Trip x x STW 3 BV 23 Triplock STW 6 BV 24 Coasting CTW 3 x x x BV 25 CW CCW C...

Page 20: ...110 3 MCO 104 BV 39 Reserved for ECB MCO 104 3110 bit 4 10 BV 40 BV 41 BV 42 BV 43 BV 44 BV 45 5 1 3 Multi state Value Objects ID Object_Name Present_Value Timeout Default name Parameter Bit number Wr...

Page 21: ...pon control of the frequency converter can be programmed in 8 50 Coasting Select to 8 56 Preset Reference Select 8 01 Control Site overrules the settings in parameters 8 50 to 8 56 and Terminal 37 Saf...

Page 22: ...tocol Revision X Services Supported X Object List X Max APDU Length X Segmentation Support X Local Time X Local Date X APDU Timeout X Number APDU Retries X Max Master X Max Info Frames X Device Addres...

Page 23: ...gic OR 3 0 3 5 8 54 Reversing Select Logic OR 3 0 3 5 8 55 Set up Select Logic OR 3 0 3 5 8 56 Preset Reference Select Logic OR 3 0 3 5 8 70 BACnet Device Instance 1 1 4194304 8 72 MS TP Max Masters 1...

Page 24: ...Visible String VisStr 33 Normalized value 2 bytes N2 35 Bit sequence of 16 boolean variables V2 54 Time difference w o date TimD See the frequency converter Design Guide for further information about...

Page 25: ...selected in 8 04 Control Timeout Function will then be carried out In BACnet the following variables will trigger the Control Word Time parameter Analog Outputs Binary Outputs AV0 AV1 AV2 8 03 Contro...

Page 26: ...naround delays 8 36 Maximum Response Delay Range Function Size related 11 10001 ms Specify the maximum permissible delay time between transmitting a request and receiving a response Exceeding this del...

Page 27: ...ia the fieldbus serial communication port OR via one of the digital inputs 8 56 Preset Reference Select Option Function Select control of the frequency converter Preset Reference selection via the ter...

Page 28: ...and warnings please refer to VLT HVAC Drive Design Guide Warnings All warnings within the frequency converter are represented by a single bit within a Warning Word A Warning Word is always an action...

Page 29: ...supply fault 04000000 Brake resistor short circuit 08000000 Brake chopper fault 10000000 Option change 20000000 Drive initialised 40000000 Safe Stop 80000000 Not used 16 91 Alarm Word 2 Bit Hex Alarm...

Page 30: ...ins failure 02000000 Current limit 04000000 Low temperature 08000000 Voltage limit 10000000 Encoder loss 20000000 Output frequency limit 40000000 Not used 80000000 Not used 16 93 Warning Word 2 Bit He...

Page 31: ...www danfoss com drives MG14C102 130R0235 MG14C102 Rev 2010 08 31...

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