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SSR-1U User’s Manual 

 

 

Rev -, 27 Dec 2019 

© 2019 Slerj, LLC

 

 61 

www.slerj.com

 

6.2

 

Time Correlation Packet 

The time correlation packet associates the free running clock timer with the real time clock.  A 
time correlation packet is written when the recording is started, every 10 minutes, and as the 
recording is stopped. 

Table 15.  Time Tagged Time Correlation Packet 

Element 

Bytes  Description 

Packet Header  
     0x82  0xA3 

2 

Packet start sequence. 

Run Time 

4 

Current run time in milliseconds. 

RTC Time 

6 

Real Time Clock 
 

word 0: 

 

 

bits  15-4:  year (2001 – 2099) 

 

 

bits  3-0:  month (1 – 12) 

 

word 1: 

 

 

bits 15-11:  day (1 – 31) 

 

 

bits  10-6:  hour (0 – 23) 

 

 

bits  5-0:  minute (0 – 59) 

 

word 2: 

 

 

bits 15-10:  second (0 – 59) 

 

 

bits  9-0:  milliseconds (0 – 999) 

Checksum 

2 

Fletcher checksum calculated between Run Time and RTC Time, 
inclusive. 

 

 

 

Содержание SSR-1U

Страница 1: ...SSR 1U User s Manual Revision 27 December 2019...

Страница 2: ...11 3 3 User Interface Module 14 3 4 Real Time Clock 14 3 5 Digital I O 14 3 6 USB Interface 15 4 Interactive Shell 16 4 1 System Commands 17 4 2 File Commands 17 4 3 Device Configuration 18 4 4 Captu...

Страница 3: ...jTM is a trademark of Slerj LLC Warranty The SSR 1U Serial Data Recorder is warranted against defects in materials and manufacturing for a period of one year from the date of purchase In the event of...

Страница 4: ...available supporting 921 6k baud recording on all channels Wide supply voltage 4 5 to 32VDC Small size 1 65 x 1 23 x 0 45 inches 42 x 32 x 12 mm Supports microSD microSDHC and microSDXC cards exFAT F...

Страница 5: ...Figure 2 Bottom View Insert card as shown in slot beneath board Insert battery as shown Main Connector microSD Card Slot push push type connector Channel Status LEDs Coin Battery Holder This is the ne...

Страница 6: ...be damaged by electrostatic discharge Observe typical precautions for handling electrostatic discharge sensitive devices 2 3 Part Numbers SSR 1U part numbers follow the following form SR1U__T_ The st...

Страница 7: ...2 device to channel 3 or 4 of the SSR 1U Figure 3 Main Connector View looking into the face of the connector Table 1 Main Connector Pins Pin 1 ID Description 1 Vsup Supply voltage 4 5 32 VDC 2 Vret Su...

Страница 8: ...w power from either the main or aux connector and both can be applied simultaneously without damage to the device It is not necessary to supply 5V on pin 8 to access USB if power is supplied at the ma...

Страница 9: ...SSR 1U User s Manual Rev 27 Dec 2019 2019 Slerj LLC 9 www slerj com Figure 5 Typical application wiring using the default SSR 1U configuration...

Страница 10: ...for channel 3 to dig so that the device records when the DI pin is high In the following sequence enter means pressing the Enter Return key to execute the command in the shell With the SSR 1U shell co...

Страница 11: ...a when commanded o shell The channel will be tied to the interactive user shell function of the user interface module o control The channel will be tied to the control protocol function of the user in...

Страница 12: ...See Section 7 1 Electrical for specifications Soft Command Soft Command is a Boolean software parameter that is used when the Command Source parameter is soft When Command Source is soft and Soft Com...

Страница 13: ...to be appended to an existing file For both overwrite and append modes if the file specified by File Path does not exist it is created File Path The File Path parameter holds a path template that spe...

Страница 14: ...and can be configured to present either an interactive shell interface or the control protocol on that channel More information on the interactive shell and control protocol can be found in Sections 4...

Страница 15: ...has occurred CARD FULL2 Two long flashes every 2 seconds Indicates that the card is full 1 Presented only on channels configured to record 2 Presented on all channel LEDs simultaneously 3 6 USB Interf...

Страница 16: ...on Up arrow p Recall the previous command to the command line Down arrow n Recall the next command to the command line This is only available when up arrow has been used to recall a previous command H...

Страница 17: ...e SD card file system FAT12 FAT16 and FAT32 volumes are supported and long filenames are supported on FAT32 Many file system commands require a path Both relative and absolute paths are supported in t...

Страница 18: ...umber 1 to 4 If no additional arguments are specified this command prints the configuration for the specified channel Specific channel configuration commands are in Table 9 config usben hi lo yes no D...

Страница 19: ...n on path templates file size off 1 2 4 8 16 32 64 128 256 512 1024 hour day week Sets the file size threshold See Section 3 2 Record Function for more information on file size thresholds 1 bool denot...

Страница 20: ...ence includes up to 5 lower case z characters prior to the string config A typical capture will involve hitting z while powering on the device until the z character is echoed from the device then typi...

Страница 21: ...1 0xC2 The start sequence for every packet is the same 0x81 0xA1 and is followed by a single ID character Count identifies the number of payload bytes that are included in the packet and can be zero T...

Страница 22: ...l Type Definitions Type Description U1 Unsigned 8 bit integer U2 Unsigned 16 bit integer U4 Unsigned 32 bit integer I1 Signed 8 bit integer I2 Signed 16 bit integer I4 Signed 32 bit integer Bx String...

Страница 23: ...byte indicates the reason for the negative acknowledgement For example a NACK for a Record message that was rejected because an invalid channel number error code 0x02 was specified would be constructe...

Страница 24: ...nnel Channel 1 4 1 BN 2 path Path Template to set prior to recording Notes 1 The configured channel function must already be record Otherwise this command will have no effect This command sets the cha...

Страница 25: ...command to false Possible Replies ACK NACK_INV_LEN NACK_INV_CH 5 2 3 Command Status Message Command Status Description Provides the status of the record command sources ID Payload Length Direction Me...

Страница 26: ...d bit 2 Card is write protected bit 1 Card is not inserted bit 0 Card is not initialized Notes 1 This message is polled by sending a message with ID 0x21 and no payload 5 2 5 Disk Status Message Disk...

Страница 27: ...hannel1 bitfield Status bit 7 record is commanded bit 6 reserved bits 5 4 channel function 0 disabled 1 record 2 control 3 shell bits 3 0 channel file state 0 closed 1 building path 2 opening file 3 r...

Страница 28: ...3 U1 day Day of month 1 31 Notes Possible Replies ACK NACK_INV_LEN NACK_INV_DATE 5 2 8 Date Message Date Description Provides the date ID Payload Length Direction Message Rate 0x30 6 bytes out polled...

Страница 29: ...23 1 U1 minute Minute 1 59 2 U1 second Second 1 59 Notes Possible Replies ACK NACK_INV_LEN NACK_INV_TIME 5 2 10 Time Message Time Description Provides the time ID Payload Length Direction Message Rate...

Страница 30: ...he first byte of the payload specifies the configuration action or item to be affected Details on the control protocol configuration subsystem are provided in Section 5 3 Configuration Messages Possib...

Страница 31: ...s Manual Rev 27 Dec 2019 2019 Slerj LLC 31 www slerj com 5 2 13 Reset Message Reset Description Resets the SSR 1U ID Payload Length Direction Message Rate 0x99 0 bytes in Notes Possible Replies ACK N...

Страница 32: ...se the non volatile configuration memory set channel parameters and query current channel parameters As with general messages the SSR 1U replies to all configuration messages with acknowledgement ACK...

Страница 33: ...et or Query container message 2 Payload length is the length of the container message payload Possible Replies ACK NACK_INV_LEN NACK_INV_NV 5 3 2 Save Request Save Configuration Description Stores the...

Страница 34: ...onfiguration Set Message Configuration ID1 Payload Length2 Direction 0x03 1 bytes in Payload Byte Offset Type Notes Name Units Purpose Comment 0 U1 CID1 Configuration ID Notes 1 Configuration ID is th...

Страница 35: ...1 CID1 Configuration ID 1 U1 channel Channel 1 4 2 U1 line Line Parameters bits 7 6 parity 0 none 1 odd 2 even bits 5 4 stop bits 0 1 stop bit 1 1 5 stop bits 2 2 stop bits bit 3 data bits 0 8 data bi...

Страница 36: ...rection 0x11 4 bytes in Payload Byte Offset Type Notes Name Units Purpose Comment 0 U1 CID1 Configuration ID 1 U1 channel Channel 1 4 2 U2 baud baud 100 Baud rate divided by 100 Notes 1 Configuration...

Страница 37: ...bytes in Payload Byte Offset Type Notes Name Units Purpose Comment 0 U1 CID1 Configuration ID 1 U1 channel Channel 1 4 2 U1 parity Parity bits 7 2 reserved bits 1 0 parity 0 none 1 odd 2 even Notes 1...

Страница 38: ...ayload Byte Offset Type Notes Name Units Purpose Comment 0 U1 CID1 Configuration ID 1 U1 channel Channel 1 4 2 U1 stop Stop bits 7 2 reserved bits 1 0 stop bits 0 1 stop bit 1 1 5 stop bits 2 2 stop b...

Страница 39: ...3 bytes in Payload Byte Offset Type Notes Name Units Purpose Comment 0 U1 CID1 Configuration ID 1 U1 channel Channel 1 4 2 U1 bits Bits bits 7 1 reserved bit 0 stop bits 0 8 data bits 1 7 data bits N...

Страница 40: ...yload Byte Offset Type Notes Name Units Purpose Comment 0 U1 CID1 Configuration ID 1 U1 channel Channel 1 4 2 U1 function Function bits 7 2 reserved bits 1 0 function 0 disabled 1 record 2 control 3 s...

Страница 41: ...Configuration ID 1 U1 channel Channel 1 4 2 U1 source Source bits 7 3 reserved bits 2 0 source 0 soft soft command true on reset 1 soft soft command false on reset 2 dig DI pin record when high 3 dig...

Страница 42: ...Length2 Direction 0x22 3 bytes in Payload Byte Offset Type Notes Name Units Purpose Comment 0 U1 CID1 Configuration ID 1 U1 channel Channel 1 4 2 U1 soft Soft Command bits 7 1 reserved bit 0 soft com...

Страница 43: ...Length2 Direction 0x30 3 bytes in Payload Byte Offset Type Notes Name Units Purpose Comment 0 U1 CID1 Configuration ID 1 U1 channel Channel 1 4 2 U1 type File Type bits 7 1 reserved bit 0 file type 0...

Страница 44: ...0x31 3 bytes in Payload Byte Offset Type Notes Name Units Purpose Comment 0 U1 CID1 Configuration ID 1 U1 channel Channel 1 4 2 U1 mode File Mode bits 7 2 reserved bits 1 0 file mode 0 retry 1 append...

Страница 45: ...e Offset Type Notes Name Units Purpose Comment 0 U1 CID1 Configuration ID 1 U1 channel Channel 1 4 2 BN 3 path File Path Template Notes 1 Configuration ID is the first byte of the payload in the Confi...

Страница 46: ...Notes Name Units Purpose Comment 0 U1 CID1 Configuration ID 1 U1 channel Channel 1 4 2 U1 size File Size bits 7 4 reserved bits 3 0 file size 0 off 1 1 MB 2 2 MB 3 4 MB 4 8 MB 5 16 MB 6 32 MB 7 64 MB...

Страница 47: ...ation Query Reply Message Configuration ID1 Payload Length2 Direction Message Rate 0x10 5 bytes out polled3 Payload Byte Offset Type Notes Name Units Purpose Comment 0 U1 CID1 Configuration ID 1 U1 ch...

Страница 48: ...d3 Payload Byte Offset Type Notes Name Units Purpose Comment 0 U1 CID1 Configuration ID 1 U1 channel Channel 1 4 2 U2 baud baud 100 Baud rate divided by 100 Notes 1 Configuration ID is the first byte...

Страница 49: ...e Offset Type Notes Name Units Purpose Comment 0 U1 CID1 Configuration ID 1 U1 channel Channel 1 4 2 U1 parity Parity bits 7 2 reserved bits 1 0 parity 0 none 1 odd 2 even Notes 1 Configuration ID is...

Страница 50: ...pe Notes Name Units Purpose Comment 0 U1 CID1 Configuration ID 1 U1 channel Channel 1 4 2 U1 stop Stop bits 7 2 reserved bits 1 0 stop bits 0 1 stop bit 1 1 5 stop bits 2 2 stop bits Notes 1 Configura...

Страница 51: ...Byte Offset Type Notes Name Units Purpose Comment 0 U1 CID1 Configuration ID 1 U1 channel Channel 1 4 2 U1 bits Bits bits 7 1 reserved bit 0 stop bits 0 8 data bits 1 7 data bits Notes 1 Configuration...

Страница 52: ...ype Notes Name Units Purpose Comment 0 U1 CID1 Configuration ID 1 U1 channel Channel 1 4 2 U1 function Function bits 7 2 reserved bits 1 0 function 0 disabled 1 record 2 control 3 shell Notes 1 Config...

Страница 53: ...U1 channel Channel 1 4 2 U1 source Source bits 7 3 reserved bits 2 0 source 0 soft soft command true on reset 1 soft soft command false on reset 2 dig DI pin record when high 3 dig DI pin record when...

Страница 54: ...olled3 Payload Byte Offset Type Notes Name Units Purpose Comment 0 U1 CID1 Configuration ID 1 U1 channel Channel 1 4 2 U1 soft Soft Command bits 7 1 reserved bit 0 soft command 0 false 1 true Notes 1...

Страница 55: ...olled3 Payload Byte Offset Type Notes Name Units Purpose Comment 0 U1 CID1 Configuration ID 1 U1 channel Channel 1 4 2 U1 type File Type bits 7 1 reserved bit 0 file type 0 raw 1 time tagged 2 tagged...

Страница 56: ...d Byte Offset Type Notes Name Units Purpose Comment 0 U1 CID1 Configuration ID 1 U1 channel Channel 1 4 2 U1 mode File Mode bits 7 2 reserved bits 1 0 file mode 0 retry 1 append 2 overwrite Notes 1 Co...

Страница 57: ...ayload Byte Offset Type Notes Name Units Purpose Comment 0 U1 CID1 Configuration ID 1 U1 channel Channel 1 4 2 BN 4 path File Path Template Notes 1 Configuration ID is the first byte of the payload in...

Страница 58: ...nt 0 U1 CID1 Configuration ID 1 U1 channel Channel 1 4 2 U1 size File Size bits 7 4 reserved bits 3 0 file size 0 off 1 1 MB 2 2 MB 3 4 MB 4 8 MB 5 16 MB 6 32 MB 7 64 MB 8 128 MB 9 256 MB 10 512 MB 11...

Страница 59: ...y assigned to another channel It cannot be assigned to more than one channel 10 NACK_INV_SOURCE The record command source is invalid 11 NACK_INV_FM The file mode is invalid 12 NACK_PATH_LEN The path t...

Страница 60: ...group of bytes that were received during the increment The data packet is terminated by a Fletcher checksum as defined in section 5 1 Message Format Table 14 Time Tagged Data Packet Element Bytes Des...

Страница 61: ...d as the recording is stopped Table 15 Time Tagged Time Correlation Packet Element Bytes Description Packet Header 0x82 0xA3 2 Packet start sequence Run Time 4 Current run time in milliseconds RTC Tim...

Страница 62: ...hat comes with the STTP utility for details For example consider an archive that contains data from an instrument that produces output usage sttp exe options infile Version 1 5 Feb 21 2018 20 30 23 op...

Страница 63: ...3 2014 21 47 39 013 S D 0 0000122 kg 02 03 2014 21 47 39 111 S D 0 0000122 kg 02 03 2014 21 47 39 207 S D 0 0000123 kg RunTime ms Year Month Day Hour Minute Second 4196 2013 3 25 9 52 4 625 604196 201...

Страница 64: ...l up equivalent resistor 25 40 55 k USB D and D voltage range 0 5 6 V Digital Output Characteristics Channel 3 4 Tx S1 S3 Low level output voltage 8mA 0 4 V High level output voltage 8mA 2 9 V Low lev...

Страница 65: ...tal The SSR 1U supports extended temperature operation 40 to 85C 7 3 Mechanical Mounting holes designed for 2 hardware Main Connector Molex 87833 2020 Main Con Mate Molex 87568 2093 Aux Connector Mole...

Страница 66: ...SSR 1U User s Manual Rev 27 Dec 2019 2019 Slerj LLC 66 www slerj com 8 Revision History Date Rev Changes 27 Dec 2019 Initial release...

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