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130
401027/B
External synchronization signal characteristics
Signal
Description
Type
Active
RTS
Ready To Send - Output
from EM 712 when it
is ready for the next
trigger pulse
Open collector output
from isolation unit
High
TRIG OUT
Trigger out -
Output to external
synchronization system,
active while the EM 712
is transmitting
Open collector output
from isolation unit
Low
TRIG IN
Trigger in - Input to
EM 712 enabling it to
transmit
Optical isolated input
High
Note
To avoid ground loops and damage of the electronics caused by external connections, all
connections are optically isolated.
Optically isolated input signals
Note
The input signals must not be negative, that is no RS-232 signals can be used for these
inputs.
A
Input from external system
B
Processing Unit input
circuitry
The input current must be approximately 10 mA. Depending on your input signal
additional resistance must be applied to achieve the required input current.
Two examples are shown to clarify.
Kongsberg EM 712 Installation manual
Summary of Contents for EM 712
Page 71: ...401027 B 71 216148 EM 712 Transducer TX1 dimensions Drawing file ...
Page 72: ...72 401027 B Kongsberg EM 712 Installation manual ...
Page 73: ...401027 B 73 221048 EM 712 Transducer TX2 dimensions Drawing file ...
Page 74: ...74 401027 B Kongsberg EM 712 Installation manual ...
Page 75: ...401027 B 75 219621 EM 712 Transducer RX1 dimensions Drawing file ...
Page 76: ...76 401027 B Kongsberg EM 712 Installation manual ...
Page 77: ...401027 B 77 216146 EM 712 Transducer RX2 dimensions Drawing file ...
Page 78: ...78 401027 B Kongsberg EM 712 Installation manual ...
Page 79: ...401027 B 79 223137 EM 712 Transducer mounting frame 0 5 degrees Drawing file ...
Page 80: ...80 401027 B Kongsberg EM 712 Installation manual ...
Page 81: ...401027 B 81 223139 EM 712 Transducer mounting frame 1 degree Drawing file ...
Page 82: ...82 401027 B Kongsberg EM 712 Installation manual ...
Page 83: ...401027 B 83 223273 EM 712 Transducer mounting frame 2 degrees Drawing file ...
Page 84: ...84 401027 B Kongsberg EM 712 Installation manual ...
Page 85: ...401027 B 85 317812 EM 712 Casing w mounting frame 0 5 degrees Drawing file ...
Page 87: ...401027 B 87 375817 EM 712 Combined casing w mounting frame 1 degree Drawing file ...
Page 89: ...401027 B 89 396402 EM 712 Transmitter Unit dimensions Drawing file ...
Page 91: ...401027 B 91 396428 EM 712 Receiver Unit dimensions Drawing file ...
Page 92: ...92 401027 B 385422 Processing Unit dimensions Kongsberg EM 712 Installation manual ...
Page 93: ...401027 B 93 378828 Hydrographic Work Station dimensions Drawing file ...
Page 94: ...94 401027 B Kongsberg EM 712 Installation manual ...
Page 95: ...401027 B 95 371591 Rack installation kit dimenisons Drawing file ...
Page 96: ...96 401027 B 370275 Remote Control Unit K REM dimensions Kongsberg EM 712 Installation manual ...
Page 97: ...401027 B 97 Drawing file ...
Page 163: ...401027 B 163 Certificates IEC 60945 IACS E10 Technical specifications ...
Page 177: ...401027 B 177 7 Observe the handling rules for transducers Equipment handling ...
Page 188: ... 2018 Kongsberg Maritime ...