Fluke 78 - Page 60

78
Service Manual
5-4
Table 5-1. Signal Abbreviations (cont)
Number Name Description
56 TEST TEST
57 P00 Port 0, bit 0
58 CK1 ClocK 1
59 CK2 ClocK 2
60 H1 Icd backplane 1
61 H2 Icd backplane 2
62 H3 Icd backplane 3
63 H4 Icd backplane 4
64 PUD* Power Up Digital output, active low
65 TT Temperature Test
66 RPM RPM function input
67 FO Function bit 0
68 F1 Function bit 1
69 F2 Function bit 2
70 P13 Port 1, bit 3
71 INT INTegrator amplifier output
72 AZ Auto Zero
73 B.04 Buffer output, .04 V range
74 B 4 Buffer output, .4 V range
75 Bi Buffer output, 1 V range
76 AFO Active Filter Output
77 FAO Filter Amplifier Output
78 FAI Filter Amplifier Inverting input
79 AFI Active Fiiter Input
80 AVOP Absolute Value amplifier Output Plus
81 AVOM Absolute Value amplifier Output Minus
82 AVIM Absolute Value amplifier Input Minus
83 ACBO AC Buffer amplifier Output
84 ACBM AC Buffer amplifier Minus ~nput
85 AP8 Analog Port 8
86 DTD Diode Test Divider
87 REFJ REFerence Junction input
88 LOTR RPM LOw TRigger level
89 OTD Open Thermocouple Detect
90 VSS Minus power supply
91 AIN Amps INput
92 RRS Ohms Reference Resistor Sense
93 SENS SENSe input
94 V4 Voitage divide by 10
4
95 V3 Voltage divide by 10
3
96 V2 Voltage divide by 10
2
97 GRD GuaRD
98 V1 Voltage divide by 10
1
99 V0 Voltage divider input
100 CC 4 V ac range Compensation Capacitor