GE PanaFlow MV80, Руководство пользователя

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Chapter 2. Installation
48 PanaFlow™ MV80 & MV82 User’s Manual
2.6.7b Optional External 4-20 mA Input Wiring
The meter is set to have Option 1 used for the external input. Programming menus that pertain to the optional 4-20 mA
input are located in “Hidden Diagnostics Menus” on page 109 .
Refer to Figure 47 below to wire the external 4-20 mA input into the flowmeter using an external power supply.
Figure 47: External 4-20 mA Input Wiring - External Power Supply
Refer to Figure 48 below to wire the external 4-20 mA input into the flowmeter using power supplied to the input of a
DC powered meter.
Figure 48: External 4-20 mA Input Wiring - DC Powered Meter
1 2 3 4 5 1 2 3 4 5
Option 1 Option 2
Ext. 4-20 mA
Input Device
+
–
External
Power
1 2 3 4 5 1 2 3 4 5
Option 1 Option 2
Ext. 4-20 mA
Input Device
+ DC PWR
– DC PWR
DC PWR
DC COMMON
DC powered meter only