External input/output signal circuit
9-57
(00400)
■
Power Control Input (PWRCNT)
Input Equivalence Circuit Diagram
Internal Vdd
Internal GND
100
Ω
4700
Ω
TC7SET08
PWR CNT
RETURN
0.01uF
Isolated 5V
Isolated GND
Isolation, TTL level, 5
V
pull-up resistance 4700
Ω
,
L
level
:-
0.5V(minimum applied voltage)
~
0.8V,
H
level
:
2V
~
5.5V(maximum applied voltage), power ON with H, power OFF with L, contact input possible. No
polarity reverse function.
Recommended Interface Circuits
1~3
PWR CNT
RETURN
SWITCH
PWR CNT
RETURN
PWR CNT
RETURN
The power is ON when open or at the H level, and the power is OFF when there is a short between two pins
or at the L level. The GX-HUB uses these signals for the multi-camera system, with batch power control the
primary objective.
Summary of Contents for ST-839
Page 2: ......
Page 16: ...Table of Contents 14 00400 11 Index Index 11 2 ...
Page 23: ...Exterior View and Names of Each Part 1 7 00400 1 Lens mount A 2 3 Front and Back 1 ...
Page 45: ...Turning the Power ON OFF 2 17 00400 6 Connect the cable to the HX 7 ...
Page 56: ...J PAD3 Operation 3 10 00400 ...
Page 90: ...Lens Control 3 44 00400 Hold switch Temporarily disables operation from the J PAD3 ...
Page 98: ...3 52 00400 ...
Page 188: ...5 16 00400 ...
Page 202: ...6 14 00400 ...
Page 220: ...7 18 00400 ...
Page 318: ...9 66 00400 ...
Page 360: ...Figures Figures 10 42 00400 MEMRECAM HX 7 Camera Unit Dimensional Figure ...
Page 361: ...Figures 10 43 00400 AC Adapter Dimensional Figure ...
Page 362: ...10 44 00400 ...
Page 363: ...11 1 00400 11 Index Index 11 2 ...
Page 370: ...Index 11 8 00400 Y YC TIFF 7 14 Z ZOOM 5 4 6 5 ...