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COMMUNICATION MANUAL

GXE600 SERIES

TDKLambda

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3.4 GXE support diagnosis function

GXE supports some of the diagnostic functions specified by the MODBUS protocol.

Diagnostic functions are Function code(FC) 0x08 query and actual functions are specified in sub code(SC).

The list of diagnostic functions supported is shown below.

Function name

Echo back

Communication reinitialization

Receive only mode

3.4.1 SC : 0 (0x0000) / Echo back

It is returned the response that echoed the query for the query whose data field is 1 word or more and 29 words

or
less.

・Request PDU

Value

0x08

0x0000

Data

Query data

N : Number of 16bit data

・Response PDU

Same to Request PDU

3.4.2 SC : 1 (0x0001) / Communication reinitialization

Initialize the GXE communication port according to the setting register value currently held.

The Response is done with existing communication settings before communication port initialization processing.

(In receive only mode, the response is not returned)

By sending this query, it is possible to change only the communication settings while maintaining the connection

status with GXE.

・Request PDU

Field

Value

0x08

0x0001

Data

0x0000 or 0xFF00

*A query other than the described data becomes an exception response.

・Response PDU

Same to Request PDU

0x08

(0x0000)

(0x0001)

(0x0004)

N x 2

Number of bytes

Field

Number of bytes

SFD

ADR

…

Dn-1

EFD

T3.5>

MSB

LSB

…

LSB

MSB T3.5>

PDU : Protcol Data Unit

ADU : serial line Appication Data Unit

CRC16

Содержание GXE600 Series

Страница 1: ...injured due to high voltage and high temperature You might also get electric shock or burn Do not make unauthorized changes to this product nor remove the cover as you might get an electric shock or...

Страница 2: ...stability when single device failure occurs When used in environments with strong electromagnetic field there is possibility of product damage due to malfunction When used in environment with corrosiv...

Страница 3: ...N ES CSA60601 1 and are NOT protected against the ingress of water Reference should be made to local regulations concerning the disposal of these products at the of their useful life Note Take note th...

Страница 4: ...series 2 2 Connection with host device 2 3 Setup of GXE 3 Communication specification 3 1 Transmission specification 3 2 Communication protocol 3 3 GXE supported function code 3 4 GXE support diagnos...

Страница 5: ...s secondary output and CN84 s Pin number 1 10 For details refer to 3 Block diagram in the instruction manual 2 2 Connection with host device The example connection to host master device is shown belo...

Страница 6: ...CN84 2 USB cable in order After completing the connection of the communication line apply input voltage Do not perform operations such as disconnection of the communication line and attachment detachm...

Страница 7: ...2 1 Synchronization method Asynchronous 2 2 Baud rate 2400 4800 9600 19200 Factory setting bps Reception 2 error tolerance 2 3 Transmission code The following combinations are valid composition Length...

Страница 8: ...vice Set the communication timeout of the master device to 100ms or more in consideration of the query processing time of the slave device For the detailed specification of the MODBUS protocol refer t...

Страница 9: ...cessarily match the endian of the master device processor CRC16 Cyclical Redundancy Checking 16 bit cyclic redundancy check from ID to Dn The CRC of MODBUS RTU is the so called Reverse type 16 bit CRC...

Страница 10: ...de Name Contents 0x01 ILLEGAL FUNCTION Unsupported function code 0x02 ILLEGAL DATA ADDRESS Undefined register address including reserved address 0x03 ILLEGAL DATA VALUE Invalid data 0x04 SLAVE DEVICE...

Страница 11: ...nse PDU Function code 0x04 Number of data bytes 2 x N Register data Read data N Quantity of Registers specified in the query Error PDU Function code 0x84 Exception code Refet to 3 2 2 It can be used f...

Страница 12: ...ress Refer to 4 Register list Quantity of Registers 1 16 0x0010 It is necessary to specify according to the actual register arrangement Response PDU Function code 0x03 Number of data bytes 2 x N Regis...

Страница 13: ...rted non volatile memory it is updated as non volatile data Broadcast is valid Request PDU Field Number of bytes Field value Function code 1 0x06 Starting Address 2 Refer to 4 Register list Register d...

Страница 14: ...rrangement Response PDU Function code 0x10 Starting Address Refer to 4 Register list Registers value 1 16 0x0010 Error PDU Function code 0x90 Exception code Refer to 3 2 2 It can be used to update dat...

Страница 15: ...efore read processing If the specified register is supported non volatile memory it is updated as non volatile data Broadcast is invalid Request PDU Field Function code 0x17 Read Starting Address Refe...

Страница 16: ...ause occurs during data update the value of the register whose write processing was completed before the cause occurred will be updated The register value is not restored Message exchange example The...

Страница 17: ...PDU Same to Request PDU 3 4 2 SC 1 0x0001 Communication reinitialization Initialize the GXE communication port according to the setting register value currently held The Response is done with existing...

Страница 18: ...tions or responses However only diagnostic subcode 0x0001 is accepted the communication port is initialized and restarted and the receive only mode is canceled Request PDU Field Value FC 0x08 SC 0x000...

Страница 19: ...s Mainly Input Registers has measurement data Broadcast is invalid Data read is possible with function code 0x04 Refer to supplementary items for Q format Input Register Starting Address Qty Function...

Страница 20: ...Q10 amps 7 Over Voltage Threshold 105 1 Threshold value of output over voltage 0x0069 Normalized Q10 volts 8 Over Current Threshold 106 1 Threshold value of output over current 0x006A Normalized Q10 a...

Страница 21: ...haracters Valid as data other than readable characters It influences setting change in the slave Address the Baud Rate and the parity setting register at the time of initialization of a GXE communicat...

Страница 22: ...ed on each page is an example of access to one register Multiple access is possible when the register address assignment is continuous Attributes assigned to registers Address allocated to register Nu...

Страница 23: ...operates at about 125 typ fixed of rated 8 CNTOFF Indication of remote off 6 7 14 15 Reserved Reserved Example In case of Remote off after Output over current bit 0 SWOCP bit 5 PFCLVP bit 8 CNTOFF is...

Страница 24: ...Field Byte Value Function code 1 0x04 Starting Address 2 0 0x0000 Quantity of Registers 2 1 0x0000 Response PDU Read Inputs Field Byte Value Function code 1 0x04 Byte count 1 2 2 x 1 Registers value...

Страница 25: ...t measurement accuracy is not guaranteed The actual voltage value is calculated by the following formula Output voltage V Nominal Voltage Register value Decimal 2 10 GXE output rating Model Nominal Vo...

Страница 26: ...of measurement range is also returned but measurement accuracy is not guaranteed The actual current value is calculated by the following formula Output current A Maximum Current Register value Decima...

Страница 27: ...internal temperature which is different from the power supply ambient temperature The register shows a value higher than the ambient temperature of the power supply Because there is a temperature meas...

Страница 28: ...rement Range Accuracy Integer notation 32bit Over 20 years 2 If the power output is less than 1 second it will not be added to the cumulative operating time Because measurement resolution is 1 second...

Страница 29: ...es Mount A in the device mounting direction Lo value is just reference data not guaranteed Data Type Measurement Range Initial Value 1 Accuracy Integer notation 24V model 8000 30 of Electrolytic Capac...

Страница 30: ...Field Byte Value Function code 1 0x04 Starting Address 2 6 0x0006 Quantity of Registers 2 1 0x0001 Response PDU Read Inputs Field Byte Value Function code 1 0x04 Byte count 1 2 2 x 1 Registers value...

Страница 31: ...when input is cut off Example Model name is GXE600 24 Request PDU Response PDU 9 bytes of D 0 to D 8 are valid as character string data in the data bytes 2 Register Read Request PDU Read Inputs Field...

Страница 32: ...character array of 8 bit data x 16 Valid as Serial number is data from the beginning to the terminating character NULL 0x00 Serial number is retained even when input is cut off 2 Register Read Request...

Страница 33: ...haracter array of 8 bit data x 16 Valid as Lot number is data from the beginning to the terminating character NULL 0x00 Lot number is retained even when input is cut off 2 Register Read Request PDU Re...

Страница 34: ...re The upper 1 digit indicates the integer part and the lower 3 digits indicate the decimal part Firmware version is retained even when input is cut off Example FW Version Value 1 001 0x1001 2 054 0x2...

Страница 35: ...example of access to one register Multiple access is possible when the register address assignment is continuous Address allocated to register It is indicated the supported non volatile whether data i...

Страница 36: ...XE will start from the default value each time AC input Volatile Because the register value is Volatile Remote On Off GXE follows the previously set remote on off signal Non Volatile Because the regis...

Страница 37: ...data Error PDU Read Holdings Field Byte Value Value Function code 1 0x83 0x83 Exception code 1 0x02 0x04 0x02 0x04 3 Register Write Request PDU Write Holding Field Byte Value Value Function code 1 0x...

Страница 38: ...ction manual for details of remote on off control using terminal input Remote On Off Volatile is used as remote control signal Remote On Off Non Volatile and Terminal input are not referenced Remote O...

Страница 39: ...n 100 0 10 Larger bounces can be removed by increasing the number but the response to the terminal input will be delayed by that much Changing from the factory setting is unnecessary unless a large me...

Страница 40: ...Value Function code 1 0x06 Starting Address 2 100 0x0064 Registers value 2 writing data Response PDU Write Holding Field Byte Value Function code 1 0x06 Starting Address 2 100 0x0064 Register value 2...

Страница 41: ...voltage reference 1 0 0 1 Selection of output current reference 1 0 0 2 15 Reserved 0 Write 0 to the reserved bit Writing 1 is ignored Digital PV CC is not referenced when analog PV CC is selected Co...

Страница 42: ...Value Function code 1 0x06 Starting Address 2 101 0x0065 Registers value 2 writing data Response PDU Write Holding Field Byte Value Function code 1 0x06 Starting Address 2 101 0x0065 Register value 2...

Страница 43: ...p Reserved Impossible Write 0 to the bit for which setting change is impossible Writing 1 is ignored Refer the description of the Protection operation history register for details on the protection Ho...

Страница 44: ...Registers value 2 Reading data Error PDU Read Holdings Field Byte Value Function code 1 0x83 Exception code 1 0x02 0x04 3 Register Write Request PDU Write Holding Field Byte Value Function code 1 0x06...

Страница 45: ...3 is returned when writing values outside the range The specification range of the PV reference value is 0 2 1 2 This register can also input out of range However the protection function may operate T...

Страница 46: ...Value Function code 1 0x06 Starting Address 2 103 0x0067 Registers value 2 writing data Response PDU Write Holding Field Byte Value Function code 1 0x06 Starting Address 2 103 0x0067 Register value 2...

Страница 47: ...lues outside the range The specification range of the CC reference value is 0 2 1 15 This register can also input out of range However the current ripple may increase Refer to the instruction manual f...

Страница 48: ...Value Function code 1 0x06 Starting Address 2 104 0x0068 Registers value 2 writing data Response PDU Write Holding Field Byte Value Function code 1 0x06 Starting Address 2 104 0x0068 Register value 2...

Страница 49: ...the nominal voltage Configuration data is retained even when input is cut off Register value Data Type Max Min Factory setting Unit Accuracy Normalization Q10 1 25 0 2 1 25 3 0 Integer notation 1280...

Страница 50: ...Registers value 2 Reading data Error PDU Read Holdings Field Byte Value Function code 1 0x83 Exception code 1 0x02 0x04 3 Register Write Request PDU Write Holding Field Byte Value Function code 1 0x0...

Страница 51: ...imum current Configuration data is retained even when input is cut off Register value Data Type Max Min Factory setting Accuracy Normalization Q10 1 2 0 2 1 2 3 0 Integer notation 1229 204 1229 An exc...

Страница 52: ...Registers value 2 Reading data Error PDU Read Holdings Field Byte Value Function code 1 0x83 Exception code 1 0x02 0x04 3 Register Write Request PDU Write Holding Field Byte Value Function code 1 0x0...

Страница 53: ...response Exception code 0x03 is returned when writing values outside the range This function is the setting of the reference value and it does not necessarily operate as set up Depending on the load i...

Страница 54: ...Registers value 2 Reading data Error PDU Read Holdings Field Byte Value Function code 1 0x83 Exception code 1 0x02 0x04 3 Register Write Request PDU Write Holding Field Byte Value Function code 1 0x0...

Страница 55: ...esponse Exception code 0x03 is returned when writing values outside the range This function is the setting of the reference value and it does not necessarily operate as set up Depending on the load im...

Страница 56: ...Registers value 2 Reading data Error PDU Read Holdings Field Byte Value Function code 1 0x83 Exception code 1 0x02 0x04 3 Register Write Request PDU Write Holding Field Byte Value Function code 1 0x0...

Страница 57: ...ue Data Type Max Min Factory setting 16 bit integer 10000 20 20 An exception response Exception code 0x03 is returned when writing values outside the range This function is the setting of the referenc...

Страница 58: ...Registers value 2 Reading data Error PDU Read Holdings Field Byte Value Function code 1 0x83 Exception code 1 0x02 0x04 3 Register Write Request PDU Write Holding Field Byte Value Function code 1 0x06...

Страница 59: ...alue Data Type Max Min Factory setting 16 bit integer 10000 20 20 An exception response Exception code 0x03 is returned when writing values outside the range This function is the setting of the refere...

Страница 60: ...Registers value 2 Reading data Error PDU Read Holdings Field Byte Value Function code 1 0x83 Exception code 1 0x02 0x04 3 Register Write Request PDU Write Holding Field Byte Value Function code 1 0x0...

Страница 61: ...tion code 0x03 is returned when writing values outside the range The PF detection threshold is compared with the detection target and when the target falls below the threshold value the PF signal is o...

Страница 62: ...Registers value 2 Reading data Error PDU Read Holdings Field Byte Value Function code 1 0x83 Exception code 1 0x02 0x04 3 Register Write Request PDU Write Holding Field Byte Value Function code 1 0x0...

Страница 63: ...eration mode suitable for the user s system The PF detection threshold is set by the PF threshold setting register Configuration data is retained even when input is cut off The meanings of register se...

Страница 64: ...Registers value 2 Reading data Error PDU Read Holdings Field Byte Value Function code 1 0x83 Exception code 1 0x02 0x04 3 Register Write Request PDU Write Holding Field Byte Value Function code 1 0x0...

Страница 65: ...longer than the set time the PF signal is output When the output returns to the PF detection threshold or higher within the set time the PF signal is not output The PF signal detection level is set i...

Страница 66: ...Registers value 2 Reading data Error PDU Read Holdings Field Byte Value Function code 1 0x83 Exception code 1 0x02 0x04 3 Register Write Request PDU Write Holding Field Byte Value Function code 1 0x0...

Страница 67: ...factor continues to occur or the protection function specified for latch stop is operating the output will not be resumed even if the automatic recovery time has elapsed The factory setting is set to...

Страница 68: ...Registers value 2 Reading data Error PDU Read Holdings Field Byte Value Function code 1 0x83 Exception code 1 0x02 0x04 3 Register Write Request PDU Write Holding Field Byte Value Function code 1 0x0...

Страница 69: ...cification that the alarm history remains even when the protection function with automatic recovery setting operates When the current alarm history is unnecessary this function can clear the alarm his...

Страница 70: ...urned when writing values outside the range GXEs connected to communication line must have a unique slave ID Before connect to communication line set each GXE so that the slave ID does not overlap Thi...

Страница 71: ...Registers value 2 Reading data Error PDU Read Holdings Field Byte Value Function code 1 0x83 Exception code 1 0x02 0x04 3 Register Write Request PDU Write Holding Field Byte Value Function code 1 0x0...

Страница 72: ...meanings of register setting values are shown below Description 2400 bps 4800 bps 9600 bps 19200 bps This register is used for opening the communication port when the power supply starts up and is not...

Страница 73: ...Registers value 2 Reading data Error PDU Read Holdings Field Byte Value Function code 1 0x83 Exception code 1 0x02 0x04 3 Register Write Request PDU Write Holding Field Byte Value Function code 1 0x0...

Страница 74: ...ists of eleven bits of 1 start bit 8 data bits 1 parity bit 1 stop bit in the case of no parity it is 2 stop bits and the transmission length 11 bits are maintain This register is used for opening the...

Страница 75: ...Registers value 2 Reading data Error PDU Read Holdings Field Byte Value Function code 1 0x83 Exception code 1 0x02 0x04 3 Register Write Request PDU Write Holding Field Byte Value Function code 1 0x0...

Страница 76: ...o valid The scratch pad register block is open for host devices and GXE does not care about register contents GXE provides two pairs of scratch pad register blocks When accessing a register an arbitra...

Страница 77: ...Function code 1 0x83 0x83 Exception code 1 0x02 0x04 0x02 0x04 3 Register Write Request PDU Write Scratch Pad 1 Write Scratch Pad 2 Field Byte Value Value Function code 1 0x10 0x10 Starting Address 2...

Страница 78: ...Even parity Stop bit 1 bit By connecting to GXE with one to one by use this communication configuration you can confirm or change to communication configuration of GXE If the switch is disable DIS an...

Страница 79: ...001 1001 It becomes a circulating binary decimal of 1100 from the bit weight of 2 4 Returning the value of this binary number to decimal number it will be 0 0999908447265625 it will not be exact 0 1 B...

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