2 – Standard Run 3 Wire Mode

In Standard Run mode, the control is operated by the opto isolated inputs and the analog command input. The opto inputs can be switches as shown in Figure 3-8 or logic signals from another device.

Figure 3-8 Standard Run Connection Diagram

Analog IN

 

Select

Command

Open

Analog Input 1

Closed

Analog Input 2

 

 

Analog Input 1 = 0–10VDC Setpoint Analog Input 2 = 4–20mA Setpoint

Analog IN SEL

Stop

Run REV

Run FWD

+24VDC

Speed Output

Pot Reference

10

9

8

7

6

5

4

 

Analog Input 2

10KW Pot or

Analog Input 1

0-10VDC

Analog GND

 

Fault

 

3

2

1

RLY1A

RLY1B

1Analog GND. Reference for analog inputs.

2Setpoint 0–10VDC. Single ended analog voltage input, referenced to 1.

3Setpoint 4–20mA. Single ended analog current input, referenced to 1.

4+10VDC reference voltage for potentiometer.

5Analog output that represents the commanded speed output.

6+24VDC for Optical Inputs power.

7Momentary CLOSED starts motor operation in the Forward direction.

8Momentary CLOSED starts motor operation in the Reverse direction.

9Momentary OPEN motor decels to stop.

10Analog IN Select. OPEN selects Analog Input 1 (2). CLOSED selects Analog Input 2 (3).

RLY1 Digital output that represents the fault status.

MN735

Receiving & Installation 3–13

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Image 24
Baldor MN735 manual Standard Run 3 Wire Mode, Standard Run Connection Diagram