Omega CN3440 manual Power Supply

Page 19

4

ELECTRICAL INSTALLATION…

Connection/Terminal Number

1

L

Power Supply (Tick Box)

Power Supply

230V AC

24V AC

2

N

115V AC

3

NO

Output Type:

Relay 1 Output

4

C

Output Function:

5

NC

6

NO

Output Type:

Relay 2 Output

7

C

Output Function:

8

NC

9

NO

Output Type:

Relay 3 Output

10

C

Output Function:

11

NC

Process Variable

12

3rd

Link Positions (Tick Box)

13

+

Input

14

–

mA

mV/THC/RTD V

2-wire Tx

15

3rd

Link Positions (Tick Box)

Remote Set Point

16

+

Input

17

–

mA

mV/THC/RTD

V

18

Tx+

Termination Resistors (Tick Box)

Modbus Serial

19

Tx–

Linked-out

Communications

20

Common

Option 1 only

21

Rx+

22

Rx–

Linked-in

Retransmission

23

+

Output Type:

Output

24

–

Output Function:

17

Image 19

Contents CN3440 Series WARRANTY/DISCLAIMER Contents Operation Programming Modbus RTU IntroductionChecking the Code Number Fig PreparationSiting Figs .1 Mechanical InstallationNEMA4X EC Directive 89/336/EECMounting Figs .3 Overall DimensionsSetting Isolated Output Link .2B Electrical InstallationAccess to Terminals Fig Setting Input Selector Links .2ATHC & RTD Ring Thomas & Betts CableGlands N. American 0.5in FigTerminal Block Identification Connections Summary FigTerminal Number AC Supply 3 2-lead Resistance Thermometer RTD Inputs Fig Input ConnectionsThermocouple THC Inputs Fig 2 3-lead Resistance Thermometer RTD Inputs Fig+ Tx Relay Connections Fig Output ConnectionsMotorized Valve Connections Figs .18 Programming Guide Logic Input Connections Figs .2022 Power Supply Selection and AC Connections Power Supply Selection and AC Connections FigPower Supply Connection/Terminal Number Page …NOTES Omega.com Temperature