Advantech Wireless SSPBMg-C400-BRE, Installation And Operating Manual, Page: 4 / 46

SSPBMg-C400-BRE
5.1 PRE-POWER PROCEDURES......................................................................................23
6. MAINTENANCE.............................................................................................................24
6.1 PREVENTIVE MAINTENANCE.................................................................................24
6.1.1 Mechanical Preventive Maintenance .........................................................................24
6.1.2 Checking the Cooling Fans........................................................................................24
7. RS-232 SERIAL COMMUNICATION .........................................................................25
7.1 HAND-HELD TERMINAL ..........................................................................................25
7.2 RS-232 PC TERMINAL................................................................................................27
8. RS-485 SERIAL COMMUNICATION .........................................................................35
9. PACKING LIST...............................................................................................................36
10. SAFETY AND EMC COMPLIANCE ...........................................................................37
11. APPENDIX A: RS-485 SERIAL COMMUNICATION PROTOCOL.......................38
11.1 INTRODUCTION .........................................................................................................38
11.2 FRAME STRUCTURE .................................................................................................38
11.3 COMMANDS ................................................................................................................39
11.4 RESPONSES TO COMMANDS FROM SLAVE TO MASTER.................................40
11.4.1 Condition Status Response ....................................................................................40
11.4.2 Read Identification Response ................................................................................41
11.4.3 Read GAIN/ATTENUATION Range Response ...................................................41
12. APPENDIX B: RS-485 SKYWAN SERIAL COMMUNICATION PROTOCOL....42
12.1 HARDWARE CONSIDERATIONS.............................................................................42
12.2 RS-485 INTERFACE ON 4 WIRES .............................................................................42
12.3 TRANSMISSION PROTOCOL....................................................................................42
12.3.1 Transmission Interface...........................................................................................43
12.3.2 Command Message Structure (IDU to SSPB) .......................................................44
12.3.3 Response Message Structure (SSPB to IDU) ........................................................45
12.3.4 Data Field Definitions............................................................................................45
Page 3