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Page 29

Appendix | Digital Interface RS485

ACC5703

A 4.2.2 

Example Transmission of a Measurement Value

Master: Request data

Byte:

SD

DA

SA

FC

FCS

ED

Value:

0x10

0x7E

0x01

0x4C

0xCB

0x16

FCS

DA = Destination Address = 0x7E = 126 (slave address)
SA = Source Address   = 0x01 (master address)

FCS = Checksum

= 0x7E +

0x01 + 0x4C = 0xCB

= 126

+

1 +

76 = 203 (no overflow) at 256)

Slave: Response data

Byte:

SD

LE

LE 
rep

SD 
rep

DA

SA

FC

Data[]

FCS

ED

Value:

0x68

1B

1B

0x68

0x01

0x7E

0x08

x

0x67

0x16

FCS

4 measured values = 4 x float = 4 x 4 bytes = 16 data bytes
LE = Length = 16 data bytes + 11 bytes (DA, SA, FC, 1xstatus, 4xstatus, 4xcounter, 1xnumber, 2xpadding 
byte) = 0x1B = 27
DA = Destination Address = 0x01 (Master)
SA = Source Address = 0x7E = 126 (Slave)
FCS = Checksum = 0x01 + 0x7E + 0x08 + 0x00 (status) + 0x04 (counter) ... = 0x67 (note overflow at 256 
each time = reset sum to zero)

Summary of Contents for inertialSENSOR ACC5703

Page 1: ...ILON MESSTECHNIK GmbH Co KG K nigbacher Str 15 94496 Ortenburg Germany Tel 49 0 8542 168 0 Fax 49 0 8542 168 90 info micro epsilon de www micro epsilon com ACC5703 Operating Instructions inertialSENSO...

Page 2: ...ICRO EPSILON MESSTECHNIK GmbH Co KG K nigbacher Strasse 15 94496 Ortenburg Germany Tel 49 0 8542 168 0 Fax 49 0 8542 168 90 e mail info micro epsilon de www micro epsilon com 3 axes acceleration senso...

Page 3: ...livery 12 3 1 Unpacking Included in Delivery 12 3 2 Storage 12 4 Installation and Assembly 13 4 1 Sensor Cable Assembly 13 4 2 Sensor Assembly 13 4 3 Pin Assignment 15 4 4 Current and Voltage Output 1...

Page 4: ...ies 23 A 2 PC Software sensorTOOL 23 A 3 Factory Settings 23 A 4 Digital Interface RS485 24 A 4 1 Hardware Interface 24 A 4 2 Protocol 24 A 4 2 1 Reading Measurement Data 25 A 4 2 2 Example Transmissi...

Page 5: ...ulations for electrical equipment Risk of injury Damage to or destruction of the sensor The supply voltage must not exceed the specified limits Damage to or destruction of the sensor No sharp or heavy...

Page 6: ...4496 Ortenburg Germany The measuring system is designed for use in industrial environments and meets the requirements 1 4 Intended Use The ACC5703 is designed for use in industrial applications It is...

Page 7: ...ge 7 Safety ACC5703 1 5 Proper Environment Protection class 1 IP 67 Operating temperature 40 85 C 40 185 F Storage temperature 40 85 C 40 185 F Ambient pressure Atmospheric pressure 1 With M12 connect...

Page 8: ...The included MEMS Element converts the acceleration into a usable electric signal z z x x y y Fig 1 Three axes acceleration sensor 2 2 Structure and Electrical Connection The sensor is ready for oper...

Page 9: ...A g Voltage 1 V g Zero 12 mA or 2 5 V Linearity Typ 0 45 FSO Frequency range 0 1000 Hz configurable Sampling rate Up to 4 kHz Cross axis sensitivity 1 FSO Temperature stability Typ 0 2 mg K Supply vol...

Page 10: ...luminum Installation Screw connection via mounting holes M4 Connection M12 connector 8 pin Start up time 500 ms FSO Full Scale Output All specifications valid at a room temperature of 25 C 77 F Articl...

Page 11: ...rinciple Technical Data ACC5703 Response time Sampling frequency Hz Time ms 4000 0 88 2000 1 25 1000 2 03 500 3 51 250 6 52 125 12 59 62 5 24 43 31 25 47 84 15 625 96 5 7 813 189 83 3 906 384 56 Fig 2...

Page 12: ...and ensure that the goods are forwarded in such a way that no damage can occur Check the delivery for completeness and shipping damage immediately after unpacking If there is damage or parts are missi...

Page 13: ...sensor cable against damage Damage or destruction of the cable failure of the measuring device Ensure that the coupling nuts of the connectors are firmly tightened Damage or destruction of the cable f...

Page 14: ...ge 14 Installation and Assembly ACC5703 12 47 53 2 09 5 5 22 5 5 22 12 47 76 2 99 12 5 49 6 24 24 94 26 5 1 04 Mounting holes for M4 screws Fig 4 Dimensional drawing dimensions in mm inches not to sca...

Page 15: ...assignment of the 8 pin A coded female connector 1 SA Connector 2 PCx 8 M12 Power supply and output cable see A 1 4 4 Current and Voltage Output The sensor makes the acceleration value available as an...

Page 16: ...separate pins depending on the configuration using the software tool of Micro Epsilon In this process the symmetrical measurement range in the unit g is scaled to the respective analog range The sensi...

Page 17: ...10 s Edge triggered switching when reaching the level considering the minimum hold time see Fig 13 Edge triggered with delay switching after specified time during which the level is reached permanentl...

Page 18: ...vels in switching operation Voltage in V t in s 0 5 0 0 5 1 1 5 2 5 3 5 4 5 2 3 4 5 10 15 20 25 30 35 40 45 50 Trigger Trigger Fig 12 Rising and falling edge of the voltage output in switching mode t...

Page 19: ...range in order to match the re spective application The high pass is configured to reduce influences of low frequencies especially to hide earth acceleration The low pass is configured to hide distur...

Page 20: ...3 906 9 296e 6 0 009648 Fig 15 Table dependency between sampling rate and low and high pass settings 1 Digital interface RS485 is enabled only up to 1000 Hz sampling rate At higher rates only the anal...

Page 21: ...owever if de fects occur despite our careful quality control MICRO EPSILON or your dealer must be notified immediately The liability for material defects is 12 months from delivery Within this period...

Page 22: ...KG K nigbacher Str 15 94496 Ortenburg Germany Tel 49 0 8542 168 0 Fax 49 0 8542 168 90 info micro epsilon de www micro epsilon com 8 Decommissioning Disposal Remove the power and output cable from the...

Page 23: ...drag chain use 10 m long PC15 8 M12 Power supply and output cable 15 m long PC2 8 Sub D Power supply and output cable with USB RS485 converter 2 8 m long A 2 PC Software sensorTOOL You will find the...

Page 24: ...resistance of 120 is required between the A and B line of the RS485 interface at the begin ning and the end of the RS485 bus A terminating resistor of the RS485 line is not incorporated in the sensor...

Page 25: ...SD repeated DA Destination Address default 0x7E 126 SA Source Address e g 0x01 FC Function Code FCS Checksum sum of all bytes without SD LE LE rep SD rep FCS ED overflow at 256 ED End Delimiter Data...

Page 26: ...1 kHz 19 values 1 ms 19 ms Example 250 Hz 19 values 4 ms 76 ms If the enquiries are not made in time error flag 0x01 is set in the status byte The measurement is continued anytime i e the values in t...

Page 27: ...ckage 8 bit Data 6 Padding byte 8 bit Data 7 Padding byte 8 bit Data 8 Measured value 1 bit 0 7 Float 32 bit Data 9 Measured value 1 bit 8 15 Data 10 Measured value 1 bit 16 23 Data 11 Measured value...

Page 28: ...Measured value 1 y axis bit 8 15 Data n 6 Measured value 1 y axis bit 16 23 Data n 7 Measured value 1 y axis bit 24 31 Data n m m 4 Data 5 Measured value 1 z axis bits 0 7 Float 32 bit Data n m 1 Meas...

Page 29: ...0x4C 0xCB 126 1 76 203 no overflow at 256 Slave Response data Byte SD LE LE rep SD rep DA SA FC Data FCS ED Value 0x68 1B 1B 0x68 0x01 0x7E 0x08 x 0x67 0x16 FCS 4 measured values 4 x float 4 x 4 bytes...

Page 30: ...N MESSTECHNIK GmbH Co KG K nigbacher Str 15 94496 Ortenburg Germany Tel 49 0 8542 168 0 Fax 49 0 8542 168 90 info micro epsilon de www micro epsilon com X9751392 A011068HDR X9751392 A01 MICRO EPSILON...

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