Siemens Sitrans LR250 Quick Start Manual page 155
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Also See for Sitrans LR250:
- Operating instructions manual (306 pages) ,
- Instruction manual (175 pages) ,
- Compact operating instructions (64 pages)
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Zone de fonctionnement autorisée pour le SITRANS LR250
Tension de la boucle/Résistance de la boucle
1000
900
800
700
600
500
400
(17.8v, 300 ohms)
300
RL=272.7*VL - 4554.1
200
100
(16.7v, 0 ohms)
0
10.00
7ML19985QX81
Power Supply Requirements
RL=44.6*VL - 493.4
15.00
20.00
Loop Voltage-V
SITRANS LR250 (HART) – MISE EN SERVICE RAPIDE
(30.0v,845 ohms)
ALLOWABLE OPERATING
AREA
25.00
L
30.00
Page FR-21
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