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3–14 Receiving & Installation MN735
3 – 3 Speed 2 Wire Mode
In 3 speed 2 wire 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 3-9 or logic signals from another device.
Figure 3-9 3 Speed Connection Diagram
8
9
10
Run REV
Speed Select 1
Speed Select 2
Analog GND
Analog Input 1
Analog Input 2
Pot Reference
+24VDC
Run FWD
1
2
3
4
5
6
7
10KW Pot or
0-10VDC
Speed Output
RLY1A
RLY1B
Related Parameters
p302 Preset Speed 1
p303 Preset Speed 2
p304 Preset Speed 3
Speed Select
1 2 Command
Open
Closed
Open
Closed
Open
Open
Closed
Closed
Analog Input 1 & 2 (Add)
Preset Speed 1
Preset Speed 2
Preset Speed 3
Fault
Analog Input 1 = 0–10VDC Setpoint
Analog Input 2 = 4–20mA Setpoint
1 Analog GND. Reference for analog inputs.
2 Setpoint 0–10VDC. Single ended analog voltage input, referenced to 1.
3 Setpoint 4–20mA. Single ended analog current input, referenced to 1.
4 +10VDC reference voltage for potentiometer.
5 Analog output that represents the commanded speed output.
6 +24VDC for Optical Inputs power.
7 CLOSED starts motor operation in the Forward direction.
8 CLOSED starts motor operation in the Reverse direction.
9 Speed Select input 1. Inputs 9 & 10 select preset speeds 1 to 3.
10 Speed Select input 2. Inputs 9 & 10 select preset speeds 1 to 3.
RLY1 Digital output that represents the fault status.