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Skipper DL2 Installation Manual

Doppler speed log retrofit for dl850 540khz
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retrofit for DL850 540kHz
SKIPPER Electronics AS
Enebakkveien 150
P. O. Box 151, Manglerud
0612 Oslo, Norway
www.skipper.no

Installation manual

DL2 Doppler speed log
Telephone:
Telefax:
E-mail:
Co. reg. no:
+47 23 30 22 70
+47 23 30 22 71
support@skipper.no
NO-965378847-MVA
Document no: DM-D120
Rev: 1742
Date: 2018.07.16

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  • Page 1: Installation Manual

    Installation manual DL2 Doppler speed log retrofit for DL850 540kHz SKIPPER Electronics AS Telephone: +47 23 30 22 70 Enebakkveien 150 Telefax: +47 23 30 22 71 P. O. Box 151, Manglerud E-mail: support@skipper.no Document no: DM-D120 0612 Oslo, Norway Co.
  • Page 2 SKIPPER DM-D120 Installation manual DL2 retrofit DL850 540kHz INTRODUCTION This document describes how to retrofit a SKIPPER DL2 Doppler speed log from an existing DL850 540kHz . The following existing DL850 parts is possible to be reused: • Sea valve ETNSLB •...
  • Page 3 3: Transceiver unit May be replaced by a terminal box JB12-SA. 4: Sensor cable 30 or 40m. Replaced by integrated 40m cable in DL2 sensor. The new sensor cable is thinner than the old. 11mm diameter. 5: Sensor 540kHz To be replaced by DL2SE-SA sensor with 40m cable 6: Sea valve ETNSLB To be reused for installation of DL2SE-SA sensor.
  • Page 4 There is a limitation in reusing this cable for the 24VDC supply to the sensor. 24VDC may drop if supplied by use of a very long and thin cable. The cable total inner resistance should not exceed 8,6 Ohm. See DL2 installation manual for details.
  • Page 5 JB70D2-SA to be positioned close to the wheel house area to route the external equipment cabling. The communication cable requirement for DL2 is 3 twisted pair individually shielded. 1 pair used to supply 24VDC power from JB70D2-SA to Sensor DL2SE-SA. The dimmension of cable may limit the maximum length of cable.
  • Page 6 SKIPPER DM-D120 Installation manual DL2 retrofit DL850 540kHz Date: 2018.07.16 Page 6 of 6...

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