ABB TTF300 - Product Identification; Name Plate Details; Explosion Protection Marking (Single Type)

Electrical connections
CI/TTF300-EN TTF300 EN - 23
4.5 Electrical interconnection with standard application
s
4.5.1 4 ... 20 mA functionality
Panel Control room
AB
+
-
U
M
+
U
S
-
R
Ltg
A00094
Fig. 13
A Transmitter B Supply isolator / PCS input with supply
When connecting these components, observe the following condition:
U
Mmin
 U
Smin
+ 0.022 A x R
Ltg
Where
U
Mmin
: Minimum operating voltage of transmitter
U
Smin
: Minimum supply voltage of supply isolator / PCS input
R
Ltg
: Line resistance between transmitter and supply isolator