Michell Instruments QMA401, User Manual

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QMA401 User’s Manual
Michell Instruments 81
APPENDIX C
6 = Send Test String to Sensor Comms Channel*
7 = Send Test String to Display Comms Channel*
10 = Force Analog Output 1 to 4 mA**
11 = Force Analog Output 1 to 20 mA**
12 = Force Analog Output 2 to 4 mA**
13 = Force Analog Output 2 to 20 mA**
14 = Force Analog Output 1 to 12 mA**
15 = Force Analog Output 2 to 12 mA**
19 = All Alarm Relays de-energised
20 = Set Alarm Relay1**
21 = Set Alarm Relay2**
22 = Set Alarm Relay3**
23 = Set Alarm Relay4**
25 = Set REF Solenoid* (uses 100% power to solenoid)**
26 = Set SAMPLE Solenoid* (uses 100% power to solenoid)**
27 = Set CAL Solenoid* (uses 100% power to solenoid)**
28 = All Solenoids Off* (uses 100% power to solenoid)**
30 = Set RTC Calibration ppm error value*
35 = Set Defaults Osc Board*
36 = Set Defaults Main Board* (Does not default the main board calibration values).
50 = Set System Mode to Standby (all solenoids off and no phase countdown)*
51 = Set System Mode to Measurement if in Cal mode (i.e. Abort Cal) OR Set to Manual Cal if in Auto
cal countdown mode
52 = Set System Mode to Calibration if manual cal option set OR Start Auto Cal countdown mode if
Auto Cal option set. (Only if oven temperature has become stable).
60 = Start on board SD Logging (Open log file)*
61 = Stop on board SD logging (Close log file)*
65 = Enter Board Setup Mode* (Normal measurement cycle and output/alarm updates are stopped)
66 = Exit Board Setup Mode*(Normal measurement cycle and output/alarm updates are re-started)
67 = Reset Ram Log Buffer and Stats to zeros
68 = Set Ethernet Settings (to values in Registers 245 to 250) – (Command not allowed via modbus)
70 = Reset Dryer Service flag and ppm sum register to 0.0ppm
71 = Reset Moist Generator Service flag and hours used counter to 0hr
74 = Clear Alarm1 Latch
75 = Clear Alarm2 Latch
76 = Clear Alarm3 Latch
77 = Clear Alarm4 (Fault) Latch
78 = Start Purge (Ref solenoid energised, all others de-energised. System in Setup mode)
79 = Stop Purge (System reverts to normal measurement mode)