PlaneWave Instruments EFA Manuel utilisateur
CDK14 and CDK20
EFA Kit
Instruction Manual
2
CDK14 and CDK20 EFA Kit Instructions
Contents
Item 200901 Rev B
Description EFA Kit Draft
Date 10/14/2020 Last Updated 10/15/2020
Items Included
QTY Part Photo Number
1 EFA Box 1
1 600196 Hand Controller 2
1 125386 Mounting post 3
1 Coiled Hand Control to EFA cable 4
1 18778 12VDC 2.5 Amp power supply 5
1 Focuser cable (with blue hoods) 6
1 Turck to CDK cable 7
1 EFA PC Port Cable kit 8
2 Thumbscrews 9
3
Items Included
13
2
45 6
78
9
4
CDK14 and CDK20 EFA Kit Instructions
Connecting the EFA Computer Cable
While the RJ45 “PC” port on the EFA is the similar to that used for Ethernet, the proto-
col used for communication with the PC is serial/RS232 and the wiring diers from that
of Ethernet. The included USB-to-serial adapter, USB extension cable, DE9-to-RJ45 and
standard CAT5 cable must be used rather than a direct connection via Ethernet to the
PC. If needed, a longer CAT5 cable can be used to extend the connection between the
DE9-to-RJ45 adapter at the PC and the EFA.
5
EFA Kit
Note that the 12VDC power is attached to the EFA control electronics rather than to the
rear of the telescope. Fan control and power are provided via the RJ12 6P6C modular
cable from the EFA port to the rear panel of the telescope depending on switch position
selection.
The cable (with the blue hoods) used to connect the Hedrick focuser and FOCUS port
diers from a standard CAT5 to minimize electrical noise. Please do not use a longer
standard CAT5 cable in place of this cable as operation may be erratic.
The 12VDC power input is center positive, 5.5mm x 2.1mm.
6
CDK14 and CDK20 EFA Kit Instructions
Attaching the EFA Kit to the CDK
The EFA Electronics box can be attached to several places on the telescope back
plate. There are eight ¼-20 threaded holes on the back of the telescope. The
EFA mounting bracket, already attached to the electronics box, can be mount-
ed to any one of the eight ¼-20 threaded holes. Use the supplied ¼-20 bolt to
attach the EFA box as shown in Picture 2. The mounting position can be varied
to accommodate other accessories such as nder scopes to assist with balance.
7
Mounting the Hand Controller
The hand control mounting bracket allows the hand control to be mounted to the tele-
scope back plate using the included mounting post. Attach the mounting post to the
telescope back plate. The telescope has eight ¼-20 threaded holes on the back plate
for mounting accessories. The holes are positioned at 2, 4, 8 and 10 o’clock on the back
plate in groups of two. Thread in the mounting post into one of the back plate holes.
The stud can also be threaded in place of one of the mounting screws that mount the
nder scope bracket or the EFA Electronics box, as shown below.
The mounting bracket on the back of the hand control will now slide over the post to
hold the hand control securely in place.
8
CDK14 and CDK20 EFA Kit Instructions
EFA Hand Controller
The PlaneWave EFA Accessory comes with a hand control that will allow you to change
the travel of the standard focuser and change the rotation of the optional IRF90 rotating
focuser (600180). Although both focusers can be controlled remotely with the included
PWI3 PC software, the hand control is invaluable when initially setting up the spacing
and collimation of your CDK telescope. It is also a convenience when doing visual obser-
vation with an eyepiece.
9
Controlling the Focuser/Rotator
With the Hand Control plugged in and the EFA powered on, you can now use the OUT/
IN button to control the travel of the focuser. Likewise, when used in conjunction with
the optional IRF90, not only can you control the focus travel, but using the CCW/CW
buttons will rotate the focuser counter-clockwise and clockwise respectively.
Changing the Focuser Speed
The speed of the focuser (Up/Down) buttons can be changed by pressing the Rate But-
ton in the center of the hand control:
•Press the Rate Button once to change the focuser speed to slow
•Press the Rate Button again to return the focuser speed to fast.
The Rate Button only changes the speed rate for the focuser. It will not aect the rate of
the optional IRF90 rotator.
10
L-500/L-600 MECHANICAL INSTALLATION GUIDE
10
www.planewave.com - 1375 N. Main Street Adrian, MI 49221 - 310-639-1662
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