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8
2.3 Pinout of The Interfaces:
PART II: ELECTRONIC CONTROL INTERFACE
Note:
The SNAP port provides two trigger signals
to the stereo plug. For a camera which only
needs a shutter-release signal, either trigger
signals will work. For a camera which requires
an extra “Focus” signal, both signals should
be connected properly.
• Output Voltage: DC 7.5V (minimum) to DC 14V (maximum). Voltage not in this range
might cause permanent damage to the motor controller or the hand controller.
• Output Plug: Barrel type with 2.0mm I.D and 5.5mm O.D. Must be central positive.
• Output Current: At least 750mA.
• Do not use an unregulated AC-to-DC adapter. When choosing an AC adapter, a switching
power supply with 12V output voltage and minimum 750mA output current is recommend-
ed.
• If the power voltage is too high, the motor controller will stop the motors automatically.
2.5 External Power Supply Requirements
Available for Canon, Nikon, Olympus and Sony cameras. See the table below to select the
appropriate cable for your camera model; it can be ordered from the local Skywatcher dealer.
Part
Number
Camera Interface Style Controller Interface Compatible Camera Models
AP-R1C
Canon remote (E3
type)
Canon RS-60E3
Canon EOS 100D, 300D/350D, 400D/450D,
500D/550D, 600D/650D, 700D, 60D/60Da,
70D
AP-R3C
Canon remote (N3
type)
Canon RS-80N3, TC-
80N3
Canon EOS 5D/6D/7D,
10D/20D/30D/40D/50D, 1V, 1D,
1Ds Mark III, 5D Mark III
AP-R1N
Nikon 10-pin remote
terminal
Nikon MC-22, MC-30,
MC-36
Nikon D1/D2/D3/D4 D200/D300/D700/D800
AP-R2N
Nikon remote cord
connector
Nikon MC-DC1 Nikon D70S, D80
AP-R3N
Nikon accessory
terminal
Nikon MC-DC2
Nikon D90, D600, D3000/D3100/D3200/
D3300,
D5000/D5100/D5200/D5300, D7000/D7100
AP-R1S Sony remote terminal
Sony RM-S1AM, RM-
L1AM
Sony a100, a200, a300, a350, a450, a550,
a560
a700, a850, a900
AP-R3L
Olympus multi-
connector
RM-UC1
Olympus E-P1/E-P2, E-PL2/E-PL3, E510/
E520/E550/E620, E400/E410/E420, SP-
570UZ/SP-590UZ
2.4 DSLR Control Cable
Fig. 2.3
2
3
4
1
5
6
HAND CONTROL
Vpp+
RX(3.3V)
Reserved
GND
TX(3.3V)
SNAP
Optoisolator
Control Signal
Internal Circuit
TRIGGER
N.C.
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