2. WIRING
2-14
2.3 Antenna Unit for X-band, TR-DOWN Radar
2.3.1 How to fabricate the cables
Three cables are connected to the antenna unit: the serial cable from the transceiver
unit, waveguide, and de-icer power cable (option).
For how to connect the WAGO connector, see "WAGO connector" on page 2-5.
TTYCYSLA-10 (for serial cable)
Clamp the armor with the cable clamp.
DPYCY-1.5 (for the optional de-icer)
• Before beginning any work on the antenna unit, turn off the breaker for the de-icer
at the mains switchboard. (Turning off the display unit has no effect.)
• The neck of the antenna unit becomes VERY HOT when the de-icer is working.
(The de-icer turns on when ambient temperature goes down to 5°C and heats to
55°C.)
Clamp the armor with the cable clamp.
Flexible waveguide
The connector at the antenna side is pre-attached to the flexible waveguide. The
bending radius shown below must be observed to prevent damage to the waveguide.
Bending radiuso E-bend: 200 mm, H-bend: 400 mm
Crimp-on lug
6
6
490490
4040
55
Outer sheath Armor Inner sheath
Pass the heat shrink tubing (local supply)
onto the drain wire.
Drain wire
Crimp-on lug (FV2-M4), supplied
6
945945
4040
1010
Outer sheath Armor Inner sheath
Vinyl tape
Spiral tubing
(unit: mm)
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