Varec 8200, Инструкция по установке и эксплуатации, Страница: 15 / 38

Current Output Transmitter
Varec, Inc. 7
Figure 2-3: Typical Field Wiring
2.5.1 With AC Wiring
1. Connect the (-) lead of the user power to L2.
2. Connect the (+) lead of the user power to L4.
For user-furnished DC power (loop power), see the board in Figure 2-5 on page 9.
2.5.2 User-Furnished DC Power (Loop Powered)
1. Connect the (+) lead of the user power to L2.
2. Connect the (-) lead of the user power to L4.
Note No load resistor is normally necessary if the receiving device is an analog current
sensing device operating within the jumpered range. Refer to the instructions for the device
in use.
FuelsManager
Software
8130 RTU
or
8300 TGI
4-20 mA Loops
Communications
between DCS/PLCs
for control capabilities
Tank Gauge
and
Transmitter
Power
Loop
Communications
Field
Control Room
/Signal