St60 Tridata Pcb Details; Input/Output Signals - Raytheon ST60 Service Manual

28 ST60 Instruments Service Manual 83142-1

ST60 Tridata PCB details

Input/Output signals

(refer to Figure 5. ST60 Tridata circuit diagram)
Rear case Signal
connection
A (Red) BATT+_2
B (Screen) BATT-_2
C (Yellow) STALK_2
D (Red) BATT+
E (Screen) BATT-
F (Yellow) STALK
G (Red) 12V_SPD
H (Green) SPD
J (Screen) OV
K (White) TEMP
L (Brown) OVANA
M (Black) DEPTH-
N (Blue) DEPTH+
P (Screen) DEPTH_GND
Rear case connections to ST60 Tridata instrument
Part 1. ST60 Instruments – Chapter 4. Tridata
Description
Nominal 12V DC supply
OV
Intermittent streams of (nominal) 12V pulses
Nominal 12V DC supply
OV
Intermittent streams of (nominal) 12V pulses
Approximately 11.2V DC out
With transducer attached, spinning paddle-wheel produces pulses
approximately 11.2V DC in amplitude at 5.5Hz/Knot.
OV
With transducer attached, voltage here is dependant on
temperature. Approximately 1.8v at 0 degrees C.
OV
Intermittent pulses of 200KHz, approximately 400us wide, 300Vp-p
Intermittent pulses of 200KHz, approximately 400us wide, 300Vp-p
O V
D4483-1