OG_MU-4-434_v10e Circuit Design, Inc.
2
OPERATION GUIDE
Contents
Chapter 1 The MU-4 .................................................................................................................................................. 4
1.1 Outline ................................................................................................................................................................. 4
1.1.1 Features ....................................................................................................................................................... 4
1.1.2 Applications .................................................................................................................................................. 4
1.2 Block Diagram ..................................................................................................................................................... 5
1.3 Example of the Control Method .......................................................................................................................... 6
1.3.1 Example 1: Controlling the MU-4 with the on-board CPU ............................................................................ 6
1.3.2 Example 2: Controlling the MU-4 via RS232C ............................................................................................. 6
Chapter 2 Specifications and Diagram ......................................................................................................................... 7
2.1 Main Specifications ............................................................................................................................................. 7
2.1.1 General specifications .................................................................................................................................. 7
2.1.2 UART interface specifications ...................................................................................................................... 7
2.2 Terminal Specifications ........................................................................................................................................ 8
2.3 Channel Table ................................................................................................................................................... 10
2.4 Dimensional Drawing ........................................................................................................................................ 12
2.4.1 External dimensions ................................................................................................................................... 12
2.4.2 Diagram of dimensions for hole positions .................................................................................................. 12
Chapter 3 How to Design a User System ................................................................................................................... 13
3.1 Circuit Board Design ......................................................................................................................................... 13
3.2 Miscellaneous ................................................................................................................................................... 14
Chapter 4 How to Use the MU-4................................................................................................................................. 15
4.1 Communication Concept ................................................................................................................................... 15
4.1.1 Station types and link parameters .............................................................................................................. 15
4.1.2 Basic data transmission.............................................................................................................................. 16
4.1.3 The data transmit command ....................................................................................................................... 17
4.1.4 The link parameters .................................................................................................................................... 18
4.1.5 Conditions for establishing a link ................................................................................................................ 18
4.2 System Configuration (When the Relay Function is Not Used) ........................................................................ 19
4.2.1 Communication within a group (1:N and N:N systems) ............................................................................. 19
4.3 System Configuration (When the Relay Function is Used) ............................................................................... 20
4.3.1 Transmission with the route register route information .............................................................................. 20
4.3.2 Transmission with the route information entered in the transmit command ............................................... 20
4.3.3 1:N relay system ......................................................................................................................................... 21
4.4 Modes ................................................................................................................................................................. 22
4.4.1 Command mode ......................................................................................................................................... 22
4.4.2 Text mode (for testing) ................................................................................................................................ 22
4.4.3 Binary mode (for testing) ............................................................................................................................ 22
4.4.4 Mode setting ............................................................................................................................................... 23
4.5 Resetting ........................................................................................................................................................... 24
4.6 Initializing........................................................................................................................................................... 24
4.7 Changing Channels ........................................................................................................................................... 24
4.8 Standby Mode ................................................................................................................................................... 24
4.9 Antenna Power Setting ...................................................................................................................................... 25
4.10 Communication Protocols ............................................................................................................................... 25
Chapter 5 Commands, Responses and Receives ................................................................................................... 26
5.1 About the Command, Response and Receive .................................................................................................. 26
5.2 Command, Response and Receive Table ......................................................................................................... 30
5.2.1 Data transmit commands and data transmit responses ............................................................................. 30
5.2.2 Data receives .............................................................................................................................................. 30
5.2.3 Control commands and control responses ................................................................................................. 31
5.2.4 Monitor commands and monitor responses ............................................................................................... 31
5.2.5 Test commands and test responses ........................................................................................................... 32
5.2.6 Extended commands and extended responses ......................................................................................... 32
5.2.7 Receive response ....................................................................................................................................... 32
5.2.8 ACK response ............................................................................................................................................. 32
5.2.9 Error response ............................................................................................................................................ 32
5.3 Save Setting Command Options ....................................................................................................................... 33
5.4 Command, Response and Receive details ....................................................................................................... 34
5.4.1 Data transmit commands, responses and data receives ................................................................................................
