
CVR–010
Installation Instructions
84
13.3. Electrical
Connections
13.3.1. Introduction
Figure 13-5 Rear Panel Connectors
・
All electrical connections to the
equipment are to be made via the
connector receptacles (jacks)
installed on the rear panel (illustrated
at right)
.
・
Some of the cables supplied with the
unit or with optional components
have already been terminated in
plugs, ready for immediate plugging
into the cabinet.
・
For the cables that require
installation of plugs by soldering,
appropriate mating plugs are
supplied separately.
・
A summary description of the pin
assignments on each connector is
given below. Detailed wiring
instructions are described in the
following pages.
①
Power Supply Receptacle (
POWER
)
・
Pin #1: DC Input (–)
・
Pin #2: Ground
・
Pin #3:
DC Input (20– 24V
+
)
*
1
*
1
:
BSH–approved power source voltage range. The equipment safely operates over an 11–40V range.
②
Fuse
Holder
(
FUSE
)
・
Fuse Ratings: 3A (12V), 2A (24V)
・
Fuse Size & Type: 5.2 dia.X20 mm, slow–blow
③
Cabinet
Ground
Terminal
(
CABINET GND
)
NOTE: This terminal is DC–isolated from the negative power line.
④
Transducer
Receptacle
(
TRANSDUCER
)
・
Pins #1 & #3: Transmit/Receive (to crystals)
・
Pin #2: Ground
(to cable’s shielding)
< WARNING >
HIGH VOLTAGE RF PULSES ARE PRESENT WITH THE EQUIPMENT SWITCHED ON.
⑤
I/O Data Receptacle (
I / O
)
・
Pin #1: NMEA In (+)
・
Pin #2: NMEA In (–)
・
Pin #3: NMEA Out
・
Pins #4, #5, #6: Reserved
・
Pin #7: 12V/200 mA output
・
Pin #8: Ground
< WARNING >
DO NOT MAKE ANY CONNECTIONS TO PINS #4 – #6 OTHER THAN A SPECIFIED DEVICE.
⑥
RS–422
Receptacles
(
RS–422–A
,
RS–422–B
)
・
Pins #1 – #4: Not in use
・
Pin #5: Ground
・
Pin #6: RX (+)
・
Pin #7: RX (–)
・
Pin #8: TX (+)
・
Pin #9: TX (–)
⑦
Alarm Output Receptacle (
ALARM OUT
)
・
Pins #1 & #2:
Solid–state relay output (normally open) for Power Failure/Low Voltage Alarm
・
Pins #3 & #4:
Mechanical relay output (normally closed) for Depth Alarm
・
Pins #5 & #6:
Alarm acknowledgement output (shorting of these pins)
⑧
Alarm
Acknowledgement
Receptacle
(
ALARM ACK
)
・
Pins #1
&
#2: To external on/off
(SPST)
switch to acknowledge and reset active alarm.
④
② ①
③
⑤
⑥
⑦ ⑧
Содержание CVR-010
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