•
Diagnostic Code
Meaning
0
Return query data (2 bytes)
2
Return diagnostic register
10
Clear counters and diagnostic register
11
Return message count
12
Return communications error count
13
Return exception count
18
Return character overrun count
•
•
System Monitor
80175-01
16
PROTOCOL SPECIFICATIONS
LOOPBACK/MAINTENANCE
This message allows multiple functions depending on the diagnostic code which is imbedded in
the request message.
Counters and diagnostic register are cleared only by power-up or diagnostic code 10. All
counters count modulo 65535.
REPORT SLAVE ID
This function is used to obtain the current firmware revision from the Serial Interface. Two bytes
are returned in the response message in the following order.
Major Rev Number
Minor Rev Number
This is the major version number of the Serial Interface firmware. Each
change to the firmware that results in a requirements change will result
in an update to this number.
Each change to the Serial Interface firmware that is for the purpose of
correcting programming errors or defects will result in an update to this
number. Minor revision number changes should be backward compatible.
39
Summary of Contents for 3300/01 Series
Page 2: ...3300 01 SYSTEM MONITOR OPERATION MANUAL BENTLY re NEVADA PART NO 80175 01 ...
Page 5: ...System Monitor 80175 01 Blank Page iv ...
Page 7: ...System Monitor 8 0 1 7 5 0 1 Blank Page vi ...
Page 58: ... System Monitor 80175 01 18 SCHEMATICS AND DRAWINGS 51 ...
Page 59: ... 5 Z 5 s 0 0 3 T4 E a 1 p L SERIALINTERFACE SCHEMATIC SHEET 1 OF 4 ...
Page 62: ... T 7 1 0 1 0 z g i i IS P ig SERIAL INTERFACE SCHEMATIC SHEET 4 OF 4 ...
Page 64: ... I I ...
Page 67: ... SYSTEM MONITOR SCHEMATIC SHEET 3 OF 6 ...
Page 73: ...t ...