Hazardous area, Safe area rotamass /kf2 – Yokogawa RotaMASS 3-Series User Manual

Page 51

Text mode
Original mode

4. INSTAllATION

4-23

IM 01R04B04-00E-E 8th edition March 01, 2011 -00

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

Load
resistance [ Ω ]

Power supply voltage [V]

HART communication available range

F419.EPS