Omega manual CDTX-90-2 Terminal Connections, Terminals 5-10 Relay Outputs

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CDTX-90-2 Terminal Connections

Terminals 3 and 4: Loop Power 12-24 VDC ±10% system power and current loop output.

Max. loop impedance: 50 max. @ 12 V 325 max. @ 18 V 600 max. @ 24 V

4 System Pwr

Loop -

System Pwr

3 Loop +

AUX

2 Power -

AUX

1 Power +

Terminals 1-2: Auxiliary power Provides DC power to sensor. Required for all CDTX-90 systems.

Terminals 11-14: Sensor input 11 is conductivity input

12is temperature input

13is the isolated signal ground

14is the sensor earth ground

10 Relay(NO) 2

9Relay 2 (COM)

8

Relay 2

14

Sensr Gnd

(NC)

(SHIELD)

7

Relay 1

13

Iso. Gnd

(NO)

(BLACK)

6

Relay 1

12

Temp. IN

(COM)

(WHITE)

5

Relay 1

11

Signal IN

(NC)

(RED)

Terminals 5-10: Relay Outputs

Two SPDT mechanical relays, programmable as:

High or Low setpoint with adjustable hysteresis.

proportional Pulse (400 pulses per minute maximum).

May be disabled (Off) if not used.

CDTX-90-2 System Power/Loop Connections

 

 

 

 

Stand-alone application, no current loop used

Connection to a PLC with built-in power supply

Transmitter

 

 

 

 

 

PLC

 

 

Transmitter

 

 

 

 

Power Supply

 

Terminals

 

 

 

 

-

Power Supply

 

 

DC 12 - 24 V

 

 

Terminals

 

 

Ground

 

 

 

Terminals

+

Power

 

 

 

 

 

Sys. Pwr.

4

-

Power

 

 

Supply

Sys. Pwr.

4

-

Loop Input

Loop -

Supply

4-20 mA

Sys. Pwr.

3

+

Power

Loop -

Sys. Pwr.

3

+

Loop Input

Loop +

Supply

4-20 mA

AUX

2

 

 

Loop +

 

 

AUX

 

 

 

Power -

 

 

2

Internal PLC

 

AUX

1

 

 

Power -

 

 

 

AUX

 

Connection

 

Power +

 

 

1

 

 

 

Power +

 

 

 

 

 

 

 

 

Connection to a PLC/Recorder, separate supply

 

Example: Two transmitters connected to PLC/Recorder

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

with separate power supply

 

 

 

 

 

 

 

 

 

 

 

 

 

Transmitter 1

 

Transmitter

 

 

 

 

 

DC 12 - 24 V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sys. Pwr.

4

 

 

 

 

 

 

 

DC 12 - 24 V

 

 

 

 

 

 

 

 

 

 

-

Power

 

 

Loop -

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Supply

 

 

 

Sys. Pwr.

3

 

 

 

 

 

 

 

-

Power

 

 

 

 

 

 

 

 

 

+

Power

 

 

Loop +

 

 

 

 

 

 

 

Supply

 

 

 

 

 

 

 

 

 

 

Supply

 

 

AUX

2

 

 

 

 

 

 

 

+

SupplyPower

 

 

Terminals

 

 

 

 

 

 

 

 

 

 

 

Power -

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PLC or Recorder

 

 

AUX

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power +

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sys. Pwr.

4

 

 

 

 

 

Loop Input

 

 

 

 

 

 

 

 

 

 

 

PLC or Recorder

 

Loop -

 

 

 

 

 

4-20 mA in

 

 

 

Transmitter 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

Channel 1

 

 

 

 

 

 

 

+

Loop Input

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sys. Pwr.

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Loop +

 

 

 

 

 

4-20 mA in

 

 

Sys. Pwr.

4

 

 

 

 

 

 

 

4-20 mA in

 

 

 

 

 

 

 

 

 

Loop -

 

 

 

 

 

 

 

+

Channel 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AUX

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sys. Pwr.

3

 

 

 

 

 

 

 

4-20 mA in

 

Power -

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Loop +

 

 

 

 

 

 

 

-

 

 

 

AUX

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Channel 2

 

 

 

 

 

 

 

 

 

 

 

 

AUX

 

 

 

 

 

 

 

 

 

Power +

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

4-20 mA in

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power -

 

 

 

 

 

 

 

+

Channel 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AUX

1

 

 

 

 

 

 

 

4-20 mA in

 

AUX required for all CDTX-90 systems.

 

 

Power +

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Contents User’s Guide Internet e-mail info@omega.com Installation SpecificationsElectrical Connections Sensor Selection Sensor ConnectionsCDTX-90-1 System Power/Loop Connections CDTX-90-1 Terminal connectionsCDTX-90-2 Terminal Connections Terminals 5-10 Relay OutputsLoop Output Loop 2+ System Pwr Terminals 3-6 Loop PowerCDTX-90-3 Terminal Connections Loop System Pwr Output Loop +CDTX-90 Series View Menu Made an Error? Finished Editing?Step CDTX-90-1 Calibrate Menu CDTX-90-1 Options Menu ContrastCDTX-90-2 Calibrate Menu CDTX-90-2 Options Menu CDTX-90-3 Calibrate Menu Settings will repeat for Loop 2 and Output CDTX-90-3 Options MenuTemperature Coefficient Calibration ProcedureCalibration with Nist Traceable Solutions RequirementsTroubleshooting Page WARRANTY/DISCLAIMER OMEGA…Of Course