Chell microDAQ - Default Chapter; Table of Contents

Contents
1. Introduction. .................................................................................... 1
2. User Command Protocol. ............................................................... 2
2.1 Command Packet. ..................................................................................................................................... 2
2.2 Acknowledgement. .................................................................................................................................... 2
2.3 User Commands. ....................................................................................................................................... 2
3. Status Data Format. ........................................................................ 6
4. microDAQ Communication Channels. ........................................... 7
4.1 RS232 ....................................................................................................................................................... 7
4.1.1 Overview. ............................................................................................................................................ 7
4.1.2 Connection .......................................................................................................................................... 7
4.1.3 RS232 Protocol. .................................................................................................................................. 7
4.1.4 Control Via RS232 ............................................................................................................................... 7
4.1.5 Data Rate ............................................................................................................................................ 7
4.2 TCP ............................................................................................................................................................. 8
4.2.1 Overview. ............................................................................................................................................ 8
4.2.2 Connection. ......................................................................................................................................... 8
4.2.3 TCP Protocol ....................................................................................................................................... 8
4.2.4 TCP Data Rate. .................................................................................................................................... 8
4.2.5 Control Via TCP. .................................................................................................................................. 9
4.3 CAN ............................................................................................................................................................ 9
4.3.1 Overview. ............................................................................................................................................ 9
4.3.2 CAN Baudrate. .................................................................................................................................... 9
4.3.3 CAN Protocol. ................................................................................................................................... 10
4.3.4 CAN Data Rate. ................................................................................................................................. 12
4.3.5 Control Via CAN. ............................................................................................................................... 12
4.4 Internal RAM. ........................................................................................................................................... 12
4.4.1 Overview. .......................................................................................................................................... 12
4.4.2 Internal RAM Protocol. ...................................................................................................................... 13
4.4.3 Internal RAM Data Rate. .................................................................................................................... 13
4.4.4 Internal RAM Dump. .......................................................................................................................... 13
5. Valve Control user commands .....................................................14