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Appendix A. Modbus application

akytec GmbH - Vahrenwalder Str. 269 A - 30179 Hannover - Germany Tel.: +49 (0) 511 16 59 672–0 - www.akytec.de

Parameter

Register

Valid

value

Description

Data type

Default

(Comment)

Status flag

0x20D2

bit 0 (Default values)

UINT16

bit 1 (Flash memory
failure)

bit 2 (ARCH switch state)

bit 3 (Log data loss)

bit 15 (No memory card)

NOTE

* The parameters in this table can be requested individually or in a group of up to
40 consecutive channels.

Table A.10 Analog inputs – Measured values

Parameter

Register

Description

Data type

Default

(Comment)

Analog inputs (8 registers (R only))

Measured value

0x3000...0x3007

FLOAT32[4]

Table A.11 Analog inputs – Adjustment result

Parameter

Register

Valid value

Description

Data type

Default

(Comment)

Adjustment (5 registers (R only))

Result

0x3010

UINT16

ErrRMS*

ErrValue

ErrFlash

Timeout

byte 1-2 (RMS*)

FLOAT32

byte 3-4 (Value)

FLOAT32

NOTE

Root Mean Square Error.

Содержание MSD200

Страница 1: ..._3 EN 120596 1 1 All rights reserved Subject to technical changes and misprints akytec GmbH Vahrenwalder Str 269 A 30179 Hannover Germany Tel 49 0 511 16 59 672 0 www akytec de MSD200 Data Logger User...

Страница 2: ...0 4 1 User interface 10 4 2 MSD200 PC connection 11 4 2 1 RS 232 connection type 12 4 2 2 Modem connection type 12 4 2 3 Connection control 13 4 3 Channels 13 4 4 File Manager 15 4 5 View data 16 4 6...

Страница 3: ...2 akytec GmbH Vahrenwalder Str 269 A 30179 Hannover Germany Tel 49 0 511 16 59 672 0 www akytec de Appendix B Slave configuration example 38...

Страница 4: ...CAUTION indicates a potentially dangerous situation that could result in minor injuries NOTICE NOTICE indicates a potentially dangerous situation that could result in damage to property NOTE NOTE indi...

Страница 5: ...device before working on it Switch on the power supply only after completing all works on the device NOTICE Supply voltage may not exceed 33 V Higher voltage can damage the device If the supply volta...

Страница 6: ...de 2 1 Basic features 4 analog inputs 0 5 mA 0 20 mA or 4 20 mA Scaling of measured value RS485 RS1 and USB interfaces to connect to PC RS485 RS2 interface to connect to other devices in Modbus networ...

Страница 7: ...de the permissible range RS1 Off No data transmission over RS1 or USB Green Flashing RS1 or USB with user settings data transmission in progress Yellow On RS1 or USB with default settings Flashing RS1...

Страница 8: ...mensions with terminal blocks 23 109 120 mm Weight Approx 150 g Table 3 2 Analog inputs Characteristic Value Quantity 4 Input signal 0 5 mA 0 20 mA 4 20 mA Sampling time 100 ms Basic accuracy 1 0 Inpu...

Страница 9: ...tocol CDC Application layer protocol Modbus RTU Baud rate 79 kB s Cable type USB A B 3 2 Galvanic isolation The device has 4 potential groups 24 VDC power supply Analog inputs USB interface RS1 interf...

Страница 10: ...www akytec de Table 3 6 Operating conditions Condition Permissible range Ambient temperature 10 55 C Transportation and storage 15 55 C Relative humidity Up to 80 at 25 C non condensing Altitude Up to...

Страница 11: ...iguration from device Save all Save configuration to device Save changes Save only changed parameters to device Save to file Save configuration to file Load from file Load configuration from file Star...

Страница 12: ...In the pane RS1 PC settings Fig 4 1 select COM port Appropriate port number can be found in Device Manager under a topic Connections COM and LPT If the device driver is successfully installed a virtu...

Страница 13: ...ront panel of the device to ON Tab 2 1 click Default to set the network parameters in the program to default values click Apply 3 If you know only the baud rate of the device COM port you can use the...

Страница 14: ...e 64 logging channels at your disposal NOTE Before changing the parameters in Channels tab it is recommended to set the DIP switch ARCH to OFF to stop logging If not the device may pause the logging b...

Страница 15: ...no data overload line break etc All Threshold Extra logging in case of a sudden change in the measured value The unscheduled recording is performed if the difference between the measured value and th...

Страница 16: ...ated on the memory card view the file tree information about storage capacity and free space on the card copy files to PC delete files etc Fig 4 6 File Manager tab Table 4 4 File Manager toolbar Icon...

Страница 17: ...pens 2 Select channels and click OK to view the results Select by range Search in log data according to specified range 4 5 View data Use the tab to view the current channel value or channel status Fi...

Страница 18: ...eduled logging logging timetable Sect 4 6 5 Fig 4 8 Settings tab The buttons Read Apply and Default in the lower part of the window are applicable for all parameter groups except Scheduled logging whi...

Страница 19: ...is mode is defined in the Logging cycle parameter Tab 4 6 If the data from the master comes sooner than the set period the data row will be saved immediately to prevent data loss Spy The device listen...

Страница 20: ...ey to a file on PC or just write it down 5 Click Apply to initialize the key The key cannot be read from the device memory The digital signature is formed in the log file on the memory card Sect 5 Thi...

Страница 21: ...the previous correct value will be repeated in case of error Number of last correct results Number of repetitions of the last correct value Automatic Master Spy switch Spy mode only If marked network...

Страница 22: ...he measured value lower measuring limit Max physical value Scaling of the measured value upper measuring limit The buttons Read Apply and Default are applicable to all parameters in the pane Adjust bu...

Страница 23: ...card occurs once per minute and lasts 3 4 seconds This process is indicated by SD indicator flashing green Tab 2 2 Memory card should be removed from the logger during data accumulation in the data b...

Страница 24: ...Sect 4 6 2 it is recorded to the end of the last line in the column 66 Fig 5 2 Digital signature The digital signature is represented by a string of 32 characters 0 1 2 3 4 5 6 7 8 9 A B C D E F with...

Страница 25: ...iring WARNING The device must be powered off before connecting to other equipment or PC Switch on the power supply only after the wiring of the device has been completed NOTICE Ensure that the input s...

Страница 26: ...am Fig 6 3 Plug in connector Table 6 1 Terminal assignments No Marking Description 1 24 V 24VDC power supply 2 24 V 3 RS1 PC D Connection to PC RS485 Slave 4 RS1 PC D 5 RS2 DEV D Connection to other d...

Страница 27: ...d the network length can be increased using a RS485 interface repeater Line reflections always occur at the open bus ends the first and the last node The higher the data transmission rate the stronger...

Страница 28: ...observed The maintenance includes cleaning the enclosure and terminal blocks from dust dirt and debris checking the fastening of the device checking the wiring connecting leads fastenings mechanical...

Страница 29: ...ction If the device is not taken immediately after delivery into operation it must be carefully stored at a protected location The device should not be stored in an atmosphere with chemically active s...

Страница 30: ...Scope of delivery 29 akytec GmbH Vahrenwalder Str 269 A 30179 Hannover Germany Tel 49 0 511 16 59 672 0 www akytec de 9 Scope of delivery MSD200 Short guide Terminal blocks set SD memory card 1 1 1 1...

Страница 31: ...execution the communication continues as usual When attempting to write read only parameters or access nonexistent registers with the function 16 the error 01 will be returned When attempting to read...

Страница 32: ...ent NAK The program function just requested cannot be performed 08 Memory Parity Error Interface is used when execution of the last command is not yet completed 09 Custom error Interface is used when...

Страница 33: ...kbit s 7 38 4 kbit s 8 57 6 kbit s 9 115 2 kbit s 2 Stop bits 0x0041 0 1 bit UINT16 0 1 2 bits 3 Parity 0x0042 0 none UINT16 0 1 even 2 odd 4 Device address 0x0043 1 247 UINT16 16 Slave 5 Response de...

Страница 34: ...gging 0x004C 0 OFF UINT16 0 1 100 Number of repetitions of the last correct value NOTE When attempting to write a value outside the valid range error code 90 is returned Table A 5 Date and time No Par...

Страница 35: ...Query 0 OFF 1 ON 2 Channel name 0x0101 0x0111 ASCII string ends with 0x00 CHAR 32 Channel n 3 Protocol 0x0112 0 Modbus RTU UINT16 0 1 Modbus ASCII 2 AKYTEC 3 Input 1 4 Input 2 5 Input 3 6 Input 4 4 Ad...

Страница 36: ...UINT16 0 Modbus 12 Group number 0x011C 0 32 group number UINT16 0 no group Modbus 13 Address length 0x011D 0 8 bits UINT16 0 AKYTEC 1 11 bits 14 HASH code 0x011E 0 0xFFFF UINT16 0 AKYTEC 15 Index 0x0...

Страница 37: ...Timeout 3 Overload AI only 4 Sensor break AI 4 20 mA 5 Error code in response see byte 1 byte 0 bits 4 7 data type 0 INT16 1 UINT16 2 INT32 3 UINT32 4 FLOAT32 byte 1 error code 2 Channel value byte 2...

Страница 38: ...eters in this table can be requested individually or in a group of up to 40 consecutive channels Table A 10 Analog inputs Measured values No Parameter Register Description Data type Default Comment An...

Страница 39: ...sful data exchange it is necessary to reconcile the data types and the order of registers and bytes in the register Table B 1 Coordination of the register and byte order Data type in Master PR200 SMI2...

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