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11.5 SPEED POT AND PRESET SPEED CONTROL
Shown below is the wiring for SPEED POT and/or PRESET SPEED control, and either a two-wire or
three-wire start/stop circuit:
NOTES:
1. Program the PRESET SPEEDS (Parameters 31-37) to the desired values.
2. Program TB-13A (Parameter 10) to PRESET SPEED #1 (04), TB-13B (Parameter 11) to PRESET
SPEED #2 (04), and TB-13C (Parameter 12) to PRESET SPEED #3 (04). To select a preset
speed, close the appropriate TB-13 terminal(s) to TB-2 (refer to Parameters 31-37 for the Preset
Speed Activation table).
3. If reverse rotation is also required, TB-13A cannot be used as a PRESET SPEED SELECT. TB-
13A must be programmed to select RUN REVERSE (05) or START REVERSE (06), leaving
only TB-13B and TB-13C to select preset speeds.
4. For speed pot control, program Parameter 05 - STANDARD SPEED SOURCE for 0-10 VDC
(03). If none of the preset speeds are selected (all of the TB-13 terminals are open), the drive will
respond to the speed pot.
PRESET SPEED SELECT
STOP
COMMON
0-10 VDC INPUT
START
COMMON
1256 12 TXA TXB2 13A 13B 13C14 15 211 25 3130
10 VDC SUPPLY
PRESET SPEED SELECT
PRESET SPEED SELECT
The TB-2 terminals are internally connected to each other
2.5k-10kΩ
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