Toshiba RS485, VF-AS1 Series Commands and monitoring from the computer, Pi Off, BIT15 BIT0

Page 46

E6581315

8. Commands and monitoring from the computer

Across the network, instructions (commands and frequency) can be sent to each inverter and the operating status of each inverter can be monitored.

8.1. Communication commands (commands from the computer)

„Communication command (Communication number: FA00, FA04)

Commands can be executed on inverter frequencies and operation stop through communication. The VF-AS1 series can enable command and frequency settings through communication irrespec- tive of settings of the command mode selection () and frequency setting mode selection 1 (). However, if “48 (49): Forced switching from communication to local,” “56 (57): Forced continuous operation,” or “58 (59): Specified speed operationj” is set by input terminal function se- lection ( to ), a change to a command other than communication and to a frequency command is feasible through a contact on the terminal board.

Once the communication command (FA00, FA04) is set to enable communication command priority and frequency priority, both priorities will be enabled unless OFF is set, power is turned off or is re- set, or factory default setting () is selected. Emergency stop is always enabled even though communication command priority is not set.

Table 1 Data construction of communication commands (communication number: FA00, FA04)

bit

Specifications

 

 

 

 

 

 

0

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

Remarks

 

0

Preset

speed

operation

Preset

 

speed

operation

 

is

disabled

or

preset

 

 

 

 

 

 

 

 

frequencies 1

 

 

speed

operation

frequencies

(1-15) are set

by

 

 

 

 

 

 

 

1

Preset

speed

operation

specifying bits for preset speed operation frequen-

 

 

 

 

 

 

 

 

frequencies 2

 

 

cies 1-4.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

Preset

speed

operation

(0000: Preset speed operation OFF,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

frequencies 3

 

 

001-1111: Setting of preset speed operation

 

 

 

 

 

 

 

3

Preset

speed

operation

frequencies (1-15))

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

frequencies 4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

Motor selection (1 or 2)

 

 

 

Motor 1

 

 

 

 

 

 

 

Motor2

 

 

 

 

THR1 : 

 

 

(THR 2 selection)

 

 

 

 

(THR 1)

 

 

 

 

 

 

 

(THR2)

 

 

 

 

THR2 : 

 

5

PI control

 

 

 

Normal operation

 

 

 

 

 

PI OFF

 

 

 

 

 

 

 

 

 

 

 

6

Acceleration/deceleration

 

 

Accelera-

 

 

 

 

 

 

Accelera-

 

 

 

 

AD1 : , 

 

 

pattern selection (1 or 2)

tion/deceleration pattern

tion/deceleration pattern

AD2 : , 

 

 

(AD2 selection)

 

 

 

 

 

1 (AD1)

 

 

 

 

 

 

2 (AD2)

 

 

 

 

 

 

 

 

 

 

 

7

DC braking

 

 

 

 

 

 

OFF

 

 

 

 

 

Forced DC braking

 

 

 

 

 

 

 

8

Jog run

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

 

Jog run

 

 

 

 

 

 

 

 

 

 

 

9

Forward/reverse

run se-

 

Forward run

 

 

 

Reverse run

 

 

 

 

 

 

 

 

 

 

lection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

Run/stop

 

 

 

 

 

 

Stop

 

 

 

 

 

 

 

 

Run

 

 

 

 

 

 

 

 

 

 

 

11

Coast stop command

 

 

 

Standby

 

 

 

 

 

Coast stop

 

 

 

 

 

 

 

 

 

12

Emergency stop

 

 

 

 

 

OFF

 

 

 

 

 

Emergency stop

 

 

Always enabled, “E” trip

 

13

Fault reset

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

 

Reset

 

 

 

 

No data is returned from the inverter.

 

14

Frequency

priority

selec-

 

 

 

OFF

 

 

 

 

 

 

 

Enabled

 

 

 

 

Enabled regardless of the set-

 

 

tion

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ting of 

 

15

Command

priority

selec-

 

 

 

OFF

 

 

 

 

 

 

 

Enabled

 

 

 

 

Enabled regardless of the set-

 

 

tion

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ting of 

 

 

 

 

Note: The acceleration/deceleration change command OR with Bit 8 and 9 of Communication num-

 

 

 

ber FA20 and FA22.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ex.: Forward run command used in two-wire RS485 communication (PFA008400) CR

 

 

 

 

1 is specified for bit 15 (communication command: enabled) and bit 10 (operation command).

 

 

 

 

FA00:

 

BIT15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BIT0

 

 

 

 

 

1

 

0

 

0

0

 

0

1

 

0

0

 

0

 

0

 

0

 

0

 

0

0

 

0

0

 

 

 

 

 

 

 

 

 

 

 

 

8

 

 

 

 

 

4

 

 

 

 

0

 

 

 

 

 

 

 

0

 

 

 

 

Ex.: Reverse run command used in two-wire RS485 communication (PFA008600) CR, (PFA00C600) CR 8600H : To disable frequency instructions from the computer

C600H : To enable also frequency instructions from the computer

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Contents Tosvert VF-AS1 Series RS485 Communication Function E6581315②Read first Safety precautions E6581315Contents BIT15 BIT8BIT7 BIT0 General outlines of the communication functionBit Word Data transmission specifications BIT2About the handling of received frames Communication protocolMOUBUS-RTU Binary mode 2FH Toshiba Inverter ProtocolINV-NO CMD Data transmission format used in Ascii modeData transmission format Data5bytes Blank 28H Bytes Checksum areaINV-NO Data SUMData transmission format used in binary mode Byte Bytes Command receivedReturned for the 57H W and 50H P commands Sum 1 bytes Checksum not omissible 00H to FFHNorn 2FH Byte 4EH6EH BytesTransmission format of Block Communication Page Bytes Blank Start Code INV-NO Reads the data with the specified communication number CommandsDummy data is required for this command Block communication Computer InverterRFE03CR RFE03077BCRPage Format error Data transmission format does not match Transmission errorsCommunication There is no communication number that matches Broadcast communication function VF-AS1 From the computer H = 24d  trip status Examples of the use of communication commandsAscii mode Computer → Inverter Inverter → Computer RFC90CRExamples of Communication programs Input #1,B$ =LENS$ For I=1 to LNext GotoIf Count 0 then T=TIMER 160 T=TIMER COUNT=TIMER-TPrint #1,B$ Page MSComm1.Output = Text2.Text & Chr13 End Sub End IfText2.Text = Text1.Text = End Sub MODBUS-RTU protocol Inverter number MODBUS-RTU transmission format Read commandCRC 5bytes Blank Command 1 byte Write commandBlank Command 1 byte Text size is 8 bytes fixed InverterBit counter = Error codesCRC Generation End Return CRCInter-drive communication E6581315 QWiring 2-wire RS485 communication Never use pin-7 P11 QWiring 4-wire RS485 communication）Page Parameters relating to the slave side example Proportional control of speed =0.01%Slave 100.00Hz1 00% Slave 100.00Hz 00%90.00Hz 45.00Hz 80.00Hz 40.00HzTransmission format for inter-drive communication INV-NO 1 byte Inverter numberCommunication parameters 0OFFMODBUS-RTU Baud rate,  , Parity  Inverter numberMaster INV To Slave „ Timer Time-out period Computer linkPC → INV INV INV → PC PC → INVFree notes Send waiting time , Use this function for the following case PI OFF Commands and monitoring from the computerCommunication commands commands from the computer OFFBrake release B Electric Power quantityForcibly braked Preliminary excitation Braking answer BAWire RS485 communication FA32 „ AM analog output FA52 „ Terminal board output data FA50„ FM analog output FA51 Output terminal no Specified data outputRFD00CR Monitoring from the computerUnit 0.01% N·m Input terminal function selection 9 f119 „ Input terminal board status FD06, FE06RES BIT15„ Output terminal board status FD07, FE07 „ Inverter operating status 1 FD01, FE01 ST=ON ST=OFF„ Inverter operating status 2 FD42, FE42 „ Inverter operating status 3 FD49, FE49„ Inverter operating frequency mode status FD46, FE46 „ Inverter operating command mode status FD45, FE45Preset speed operation „ Cumulative operation time alarm monitor FE79 „ Alarm information monitor FC91Bit Specifications Remarks E6581315 „ Inverter model capacity code FB05 Model DataParameter Name Range Setting LED setting by communicationUtilizing panel LEDs and keys by communication „ Block Communication Function for LED Display Ascii LED display data code 00H-1FH are blank BlankFA10=0 Key utilization by communicationFA10=1 Parameter data EEP ROMPage FE19 Torque command Alarm codeFE02 Frequency command value 01Hz FE29 Input powerE6581315 FD50 Light-load high-speed torque 01% Tion FE80 Cumulative power on timeFE84 Binary input value option SUB Appendix 1 Table of data codesCan ESCAppendix 2 Response time Response time „ Data transmission timeAppendix 3 Compatibility with the communication function VF-A7Appendix 4 Troubleshooting Appendix 5 Connecting for RS485 communication TXA RXARXB TXB

RS485, VF-AS1 Series specifications

The Toshiba VF-AS1 Series represents a significant advancement in the realm of variable frequency drives (VFDs), designed for various industrial applications that demand precision, efficiency, and reliability. With support for RS485 communication, the VF-AS1 Series fosters seamless integration into complex automation systems, making it the perfect choice for modern manufacturing environments.

One of the standout features of the Toshiba VF-AS1 Series is its versatile communication capabilities. The built-in RS485 port allows for easy connectivity with a range of devices, including PLCs (Programmable Logic Controllers) and HMIs (Human-Machine Interfaces). This ensures real-time monitoring and control of motor functions, enhancing operational efficiency and data analysis.

The VF-AS1 Series is engineered with advanced control technologies that provide exceptional motor performance. It incorporates vector control algorithms that optimize torque and speed regulation for both standard and permanent magnet motors. This results in precise motor control across a wide range of speeds and load conditions, ensuring optimum performance and energy savings.

Another noteworthy characteristic is its user-friendly interface. The VF-AS1 features a clear LCD display that allows for easy navigation and configuration. This intuitive design minimizes the learning curve for operators and technicians, facilitating quick setup and adjustments. Additionally, the series supports various programming options, catering to both novice users and experienced professionals.

Energy efficiency is a key priority in the design of the VF-AS1 Series. The drives are equipped with energy-saving features that help reduce overall power consumption and operational costs. With built-in sleep modes and dynamic energy feedback, these drives optimize energy usage based on demand, making them suitable for both constant and variable load applications.

In terms of safety and protection, the VF-AS1 Series incorporates various built-in safeguards, including overvoltage, undervoltage, and overcurrent protection. This comprehensive approach to safety not only protects the drive itself but also ensures the longevity of connected equipment.

Overall, the Toshiba VF-AS1 Series, with its robust feature set, advanced technologies, and focus on energy efficiency, proves to be a reliable choice for a wide range of industrial applications. Its integration of RS485 communication allows for enhanced connectivity and control, making it an excellent solution for modern automation needs.
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