Series 830/840/860 Instruction Manual

Chapter 2 Installation

 

 

Wiring Transducers with 15-Pin D-Connectors

Input Power Connections

Figured 2-9. Input Power (15-Pin D-Connector)

Note: Use separate, dedicated wires for pins 9 and 10 to the power supply com- mon on meters and pins 9,10 and 3 on controllers.

Output Signal Connections

Standard output for all transducers is a 0-5 VDC signal, which di- rectly corresponds to the 0 to 100% mass flow full scale range. Output signals are linear and require a minimum load resistance of 1000 Ohms (4-20 mA output 600 Ohms maximum loop resis- tance).

 

1

COM

 

V or mA

9

 

Panel Meter

10

2

Output

+

PLC or

11

3

Recording

4

 

 

12

 

 

Device

13

5

 

 

 

6

 

 

 

14

7

 

 

 

15

8

 

 

 

Figure 2-10. Output Signal (15-Pin D-Connector)

Notes:

1.Panel meter or read-out device should be wired to be at the same ground potential as the power supply.

2.4-20 mA output signal is ground referenced (“non-isolated”). Warning: Do not apply any external voltage to this loop.

IM-83/84/86-H

2-11

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Sierra 830, 860, 840 instruction manual Wiring Transducers with 15-Pin D-Connectors, Input Power Connections

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