ABB TTR200 Instrucciones Para La Puesta En Funcionamiento página 27

Standard application with HART functionality
Fig. 4
A Transmitter
Adding resistance R
U
Mmin
Where
U
Mmin
U
Smin
R :
Ltg
R :
250
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CI/TTR200-X1
Field
increases the minimum supply voltage:
250
≤ U
+ 0.02A x (R
Smin Ltg
: Minimum operating voltage of transmitter (refer to technical data for transmitter)
: Minimum supply voltage of repeater power supply / SPS input
Line resistance between transmitter and power supply
Resistance for HART functionality
B Power supply / SPS input with supply
+ R )
250
TTR200
Electrical connection
Control room
EN - 9