Advantech SSPBMg–C200–BRE Installation And Operating Manual page 4

6. MAINTENANCE.............................................................................................................23
6.1 PREVENTIVE MAINTENANCE.................................................................................23
6.1.1 Mechanical Preventive Maintenance .........................................................................23
6.1.2 Checking the Cooling Fans........................................................................................23
7. RS-232 SERIAL COMMUNICATION .........................................................................24
7.1 HAND-HELD TERMINAL ..........................................................................................24
7.2 RS-232 PC TERMINAL................................................................................................26
8. RS-485 SERIAL COMMUNICATION .........................................................................34
9. PACKING LIST...............................................................................................................35
10. SAFETY AND EMC COMPLIANCE ...........................................................................36
11. APPENDIX A: RS-485 SERIAL COMMUNICATION PROTOCOL.......................37
11.1 INTRODUCTION .........................................................................................................37
11.2 FRAME STRUCTURE .................................................................................................37
11.3 COMMANDS ................................................................................................................38
11.4 RESPONSES TO COMMANDS FROM SLAVE TO MASTER.................................40
11.4.1 Condition Status Response ....................................................................................40
11.4.2 Read Identification Response ................................................................................40
11.4.3 Read GAIN/ATTENUATION Range Response ...................................................41
11.4.4 Read Unit Status 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
SSPBMg-C200-BRE
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