Sandel ST3400 - Installation; Equipment Handling and Mechanical Installation

4.9 Signal Type Electrical Characteristics
Inputs
Signal Type
Nom Range
Absolute
Max
Z (Ω
– Power Off)
A429
+/- 5Vdc
100Vdc
>100K
A568
0 / +10Vdc
100Vdc
>100K
RS232
+/- 10Vdc
100Vdc
>100K
RS422
+/- 5Vdc
100Vdc
>100K
A710 (ILS)
.5Vac rms +/- 20%
70Vac
>100K
A711 (VOR)
.5Vac rms +/- 20%
70Vac
>100K
A407
0 to 11.8Vac
70Vac
>100K
A575
.5 to 2.5Vdc
5Vdc
>500K
DC Sine/Cosine
+/- 20Vdc
100Vdc
>100K
A407 (AC Synchro)
11.8Vac rms +/- 20%
100Vdc
>100K
ADF_REF
10Vdc +/- 50%
60Vdc
>100K
Alt DC Coarse
0 to 15Vdc
100Vdc
>100K
Analog Baro Altitude
0 to10Vdc
100Vdc
>100K
Analog Radar Altitude
0 to 30Vdc
100Vdc
>100K
Discrete Valid (High)
>14.0Vdc
Note 4
60Vdc
>500K
Discrete Valid (Low)
<3.5Vdc
Note 4
40Vdc
>500K
Discrete (High)
>1.2Vdc
32Vdc
50K
Discrete (Low)
<8Vdc
32Vdc
50K
GS
+/- 225mv FS
60Vdc
>300K
Note 2
GS Flag
Unflagged > 225mv
60Vdc
>300K
Note 2
Inverter
26Vac rms 400Hz Nom
300Hz-5000Hz Limits
200Vac
>50K
Power
+22 to +30.3Vdc
Note 1
7Adc
NA
RadAlt
-.5 to +30Vdc
100Vdc
>100K
VS_Ref
0Vdc +/- 5, 15Vdc Full Scale
90Vdc
>500K
VS_Sense
0Vdc +/- 5, 23.6Vdc Full Scale
90Vdc
>500K
VS Sig
- 5 to +5Vdc = -10K to +10K FPM
30Vdc
>500K
TAS Sig
10Vdc Full Scale
90Vdc
>500K
82002-IM-L ST3400 INSTALLATION MANUAL
4-11