Hazardous area, Safe area rotamass /kf2 – Yokogawa RotaMASS 3-Series User Manual
Page 51
4. INSTAllATION
4-23
IM 01R04B04-00E-E 8th edition March 01, 2011 -00
All Rights Reserved. Copyright © 2003, Rota Yokogawa
pulse output :
The intrinsic safe pulse output is passive and an external power supply with shunt-diode type barrier or
isolation type barrier should be connected.
Maximum voltage : 30 V DC
Maximum current : 100 mA
Example of installation :
Hazardous area
Pout 1 +
Pout 1 -
R barrier
R load
Vin
counter
V out
Ground
Safe area
ROTAMASS
/KF2
F420.EPS
Power supply range
: 10.5 V … 30 V DC
for Not-HART application
Power supply range
: 16.75 V … 30 V DC
for HART application
Load resistance
: 20 … 600 Ω
for Not-HART application
Load resistance
: 230 … 600 Ω
for HART application
Load resistance vs Power supply voltage :
800
700
600
500
400
300
200
100
0
10
12
14
16
18
20
22
24
26
28
30
Load
resistance [ Ω ]
Power supply voltage [V]
HART communication available range
F419.EPS