Fan Pump 2 Wire Operating Mode

Operation in the Fan Pump 2-Wire mode is controlled by the opto isolated inputs at J4-8 through J4-16. The opto inputs can be switches as shown in Figure 3-28 or logic signals from another device.

Figure 3-28 Fan Pump, 2 Wire Control Connection Diagram

J4-8

CLOSED allows normal control operation.

 

 

 

 

J4

 

 

 

Analog GND

 

 

OPEN disables the control and the motor coasts to a stop.

Command Pot or

 

1

 

 

 

Analog Input 1

J4-9

CLOSED operates the motor in the Forward direction (with J4-10 open).

 

2

 

0-10VDC

 

 

 

OPEN motor decels to stop (depending on Keypad Stop mode).

 

 

Pot Reference

 

 

5KW

 

3

Note:

J4-9 and J4-10 are both closed = Fault Reset.

 

Analog Input +2

 

 

4

J4-10

CLOSED operates the motor in the Reverse direction (with J4-9 open).

 

 

 

Analog Input -2

 

 

 

5

 

OPEN motor decels to stop (depending on Keypad Stop mode).

 

 

 

Analog Out 1

 

Programmable Output

6

Note:

J4-9 and J4-10 are both closed = Fault Reset.

Analog Out 2

Programmable Output

7

J4-11

CLOSED selects Analog Input #1 (if J4-13, J4-14 and J4-15 are closed).

Enable

 

 

 

8

 

OPEN selects command select (Level 1, Input, Command Select, if J4-13, J4-14

 

 

Forward Run

 

 

 

9

 

and J4-15 are closed).

 

 

 

Reverse Run

J4-12

CLOSED selects STOP/START and Reset commands from terminal strip.

 

 

 

10

 

OPEN selects STOP/START and Reset commands from Keypad.

 

 

Analog Input Select

11

J4-13

CLOSED allows other selections, see Speed Select Table 3-10.

 

 

 

Run Command

12

 

OPEN selects speed commanded from Keypad (if J4-14 and J4-15 are closed).

 

Speed Command

13

 

 

 

Firestat

 

 

 

 

 

Note:

When changing from Terminal Strip to Keypad (J4-12 or J4-13) the motor speed

 

 

14

 

 

 

 

and direction will remain the same after the change.

 

 

 

Freezestat

 

 

 

 

15

J4-14

Firestat. Selects Level 1, Preset Speeds, Preset Speed #1.

 

 

 

External Trip

16

J4-15

Freezestat. Level 1, Preset Speeds, Preset Speed #2 (if J4-14 is closed).

 

 

Opto In Common

 

 

17

J4-16

If J4-16 is connected, you must set Level 2 Protection block, External Trip to “ON”

 

 

 

Refer to Figure 3-35.

 

 

to activate the opto input.

 

 

 

 

 

 

CLOSED allows normal control operation.

 

See recommended terminal

 

 

OPEN causes an external trip fault. The control will disable and the motor coasts

 

 

tightening torques in Section 6.

 

to a stop. An external trip fault is displayed (also logged in the fault log).

 

 

 

 

 

Table 3-10 Speed Select Table – Fan Pump, 2 Wire

J4-11

J4-13

J4-14

J4-15

Command

 

Open

Closed

Closed

Keypad Speed Command

 

 

Open

 

Level 1, Preset Speeds, Preset Speed #1

 

 

Closed

Open

Level 1, Preset Speeds, Preset Speed #2

Open

Closed

Closed

Closed

Analog Input (Level 1, Input, Command Select)

Closed

Closed

Closed

Closed

Analog Input #1

3-28 Receiving & Installation

MN715

Page 39
Image 39
Baldor Inverter Control, 15H manual Fan Pump 2 Wire Operating Mode, Speed Select Table Fan Pump, 2 Wire

Inverter Control, 15H specifications

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