Loop Power - Siemens sitrans PROBE LR Guia De Inicio Rapido

Loop power

Loop Voltage versus Loop Resistance
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
Page A-4 SITRANS Probe LR – QUICK START MANUAL
Power Supply Requirements
RL=44.6*VL - 493.4
15.00 20.00
Loop Voltage-V
(Source voltage)
(30.0v,845 ohms)
ALLOWABLE OPERATING
AREA
25.00
L
30.00
7ML19985QP81