Yokogawa RotaMASS 3-Series Manual de usuario Pagina 50

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
4-22
IM 01R04B04-00E-E 8th edition March 01, 2011 -00
All Rights Reserved. Copyright © 2003, Rota Yokogawa
Example of installation :
F418.EPS
Hazardous area
Iout +
Iout -
R barrier
4-20mA
Vin
V out
Ground
Safe area
ROTAMASS
/KF2
R load

HART communication is available on analog output 1 and the HART-communicator is connected via load
resistance (230 ... 600 Ω) as shown on the gure below.
HART
Communicator
HART
Communicator
HART
Communicator
Intermediate
terminals
4 to 20mA DC
signal trans-
mission line
Receiving
instrument
Terminal board
Control room
F417.EPS
ROTAMASS

ROTAMASS with option /KF2 has one intrinsic safe current output and one intrinsic safe pulse / status
output. The Ex-data of this output can be found in chapter 9.1.
The second current output, the second pulse / status output and the status input are not available.
The concerning parameters in the menu are not visible.
 The intrinsic safe current output is passive and an external power supply
with shunt-diode
type barrier or isolation type barrier should be connected.
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