Rockwell-automation 1771-IR , D17716.5.76 RTD INPUT MODULE Uživatelský manuál stáhnout pdf (Strana 62)

2 and 4-Wire Sensors

Appendix E

E3

Figure E.3

Connecting

a 4-Wire Sensor to the Field W

iring Arm

18

16

14

12

10

8

6

4

2

C

B

A

C

B

A

C

B

A

C

B

A

C

B

A

C

B

A

RTD

Ground

Channel 1

Channel 2

Channel 3

Channel 4

Channel 5

Channel 6

Terminal

Identification

Chassis

Leave 1 lead open

Single lead connects to terminal A

12935-I

Note: In this illustration:

Terminal A is the 1mA excitation sourcing current

Terminal B is the lead compensation sense input

Terminal C is common

1 2 ... 57 58 59 60 61 62 63 64 65 66 67 68

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