beautypg.com

Technical data, 3 minimum power supply voltage, Hazardous location (ex d / xp/ni) approved devices – KROHNE OPTIFLEX 2200 C_F EN User Manual

Page 122

background image

8

TECHNICAL DATA

122

OPTIFLEX 2200 C/F

www.krohne.com

07/2013 - 4000668002 - HB OPTIFLEX 2200 R02 en

8.3 Minimum power supply voltage

Use these graphs to find the minimum power supply voltage for a given current output load.

Non-Ex and Hazardous Location approved (Ex i / IS) devices

Figure 8-2: Minimum power supply voltage for an output of 22 mA at the terminal (Non-Ex and Hazardous Location
approval (Ex i / IS))

X: Power supply U [VDC]
Y: Current output load R

L

[Ω]

Hazardous Location (Ex d / XP/NI) approved devices

Figure 8-3: Minimum power supply voltage for an output of 22 mA at the terminal (Hazardous Location approval (Ex d /
XP/NI))

X: Power supply U [VDC]
Y: Current output load R

L

[Ω]

12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36

0

100

200

300

400

500

600

700

800

900

1000