E02016 2/02 Electrical Propulsion Components E2-19
TABLE II. 2-DIGIT DISPLAY PANEL SUBCODES (Cont.)
PRIMARY
CODE
No.
SUBCODE
No.
TERM DESCRIPTION
ANALOG INPUT
32:
44 VOLTS_15P A/D Scaled output > 16.5 or <13.5 for 0.1 seconds
45 VOLTS_15N A/D Scaled output > -13.5 or <-16.5 for 0.1 seconds
46 LO_BATT_VOLT A/D Scaled output < 15.0 for 4.0 seconds
47 HI_BATT_VOLT A/D Scaled output > 33.0 for 4.0 seconds
48 VOLTS_19P A/D Scaled output > 20.9 OR <17.1 for 1.0 second
49 TAMB A/D Scaled output > 5.2 or <-5.2 for 1.0 second
50 Undefined3 A/D Scaled output > 5.2 or <-5.2 for 1.0 second
FREQUENCY INPUT
33:
51 ENG_SPD ENGSPD exceeds ENG_MAX_RPM = 2400 RPM
52 M1_SPD MOTOR1SPD exceeds MTR_RPM_MAX = 3000 RPM
53 M2_SPD MOTOR2SPD exceeds MTR_RPM_MAX = 3000 RPM
HARDWARE STARTUP
37:
1 EPROM CRC Checksum failed for base monitor buck EPROMS
2 WATCHDOG TEST Test for infinite loop failed
3 READY TIMEOUT Test for bad address failed
4 CLOCK INTERRUPT Test of interrupt circuitry failed
5 FLASH CRC Checksum failed for OBJ application code
6 SRAM TEST Static RAM read/write test failed
7 BRAM CRC Battery backed RAM checksum failed
8 BRAM BATTERY CHK Battery voltage low for BRAM
9 DATE/TIME CHECK Hour <24, day<32, Check for realistic date and time
10 BUCK RAM STACK Check of static RAM used by buck
11
INTERRUPT OVER-
FLOW
Not enough real-time for master loop
12 WATCHDOG Application tripped an infinite loop
13 BAD MEMORY Application bad memory address
14 MANUAL Command to manually test 37 was issued
15 ANALOG READBACK Output signal feedbacks indicate error
16 ANALOG A TO D Analog to digital conversion too long
17 ANALOG GNDCHK Analog input conversion lost power
18 FCLOCK STATUS Frequency input conversion error
19 FCLOCK STOPPED Frequency input conversion error
20 FCLOCK SEQUENCE Frequency input conversion error
21 FPULSE STATUS Frequency input conversion error
22 FPULSE SEQUENCE Frequency input conversion error
23 FPULSE COUNT Frequency input conversion error
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