Turntide motor controllers are designed for several applications. The jumpers are used to configure the motor controller for a specific application.
Before connecting the controller to the Turntide motor, verify the controller configuration. Depending on the motor controller you are installing, locate the section that is relevant to you below.
Jumper Pins (P04, P05, and SL120 Motor Controllers)
Digital Input Mode jumpers | Determine the inputs the motor controller recognizes. |
Universal Input (UI) jumpers |
Define the connected device type.
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The Digital Input Mode jumpers determine the inputs the motor controller recognizes.
- The most common configuration is a jumper across pins 1&2 and another across pins 5&6.
- Pins 1&2 enable the MODBUS EOL resistor.
- Pins 5&6 set the motor controller to respond to 24VAC inputs.
The Universal Input (UI) jumpers define the connected device type.
- Currently UI3 and UI4 are used in applications with Supply and Return Air sensors.
- Setting the respective jumpers across pins 1 & 2 configure the control to respond to the resistive load of the thermistor.
Important: Mode Input Selection must be jumpers 1&2 and 3&4 OR 1&2 and 5&6.
To ensure the motor controller jumper pins are set correctly for an RTU installation, consult the following:
Motor Controller Jumper Pins (Image rotated 90 degrees)
SL120 Motor Controller Jumper Pins
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P05 Motor Controller Jumper Pins
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SL121 Motor Controller Switches
User-Selectable Switches SL121
SW1 for Modbus Termination Resistor and Digital Input Mode
SW1 is used for both the Modbus Termination Resistor and Digital Input Mode settings selection. Digital or Discrete Inputs initiate a programmed response of the motor controller based on parameter settings.
UI1 to UI4
The Universal inputs define the connected device type. The Universal inputs may be configured in one of three modes (I, V, R) via DIP Switches.
- Voltage (V): 0-10V (may be used to control the inverter directly or used to monitor CO2 or other sensors in HVAC systems)
- Current (I): 0-20mA or 4-20mA (may be used for direct current loop control of the motor controller)
- Resistive (R): Thermistor temperature sensors (may be used to monitor ambient air, return air, and supply air temperatures in HVAC systems)
SL121 Motor Controller User-Selectable Switch Options Usage & Example
Motor Controller Model |
Modbus Termination Resistor Switch |
Digital Input Mode Switch |
Universal Input Mode Switches |
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UI1 |
UI2 |
UI3 |
UI4 |
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SL121 |
SW1 |
SW1 |
SW2 |
SW3 |
SW4 |
SW5 |
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Modbus Termination Resistor Selection |
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Switch Position |
Mode |
Examples |
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Top LEFT position
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Modbus termination resistor is enabled
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Set if wiring to terminals D+/D is end of daisy chain. |
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Top RIGHT position
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Modbus termination resistor is disabled |
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Digital Input Mode Selection |
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Switch Position |
Mode |
Examples |
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Bottom LEFT position
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Enables digital inputs LOGIC or dry contact mode. |
Set if DI1 through DI7 will be used to receive contact closures for control. |
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Bottom RIGHT position
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Enables digital inputs 24VAC signaling mode.
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Set if DI1 through DI7 will be used to receive 24VAC input signal from existing BMS or thermostat. |
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Universal Input Mode Selection |
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UI1 to UI4 DIP Switch ON
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Mode |
Examples |
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Caution: ONLY one switch position should be ON at a time; otherwise, may cause damage to the motor controller.
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Resistive/LOGIC: Returns resistance of connected element or ON/OFF if declared as resistive or LOGIC mode respectively. |
Resistive: 2 wire 10K Ω thermistor
LOGIC: Dry contact closure = ON Dry contact open = OFF |
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Caution: ONLY one switch position should be ON at a time; otherwise, may cause damage to the motor controller.
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Voltage: 0-10V signal ended voltage input. |
3-wire device with external power source that provides 0-10V signal. (1 signal, 1 common, 1 power)
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Caution: ONLY one switch position should be ON at a time; otherwise, may cause damage to the motor controller.
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Current: 0-20mA current input.
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3-wire device with external power source that provides a 0-20mA signal. (1 signal, 1 common, 1 power)
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P06 Motor Controller Switches
The Universal inputs define the connected device type. The Universal inputs may be configured in one of three modes (I, V, R) via DIP Switches.
- Voltage (V): 0-10V (may be used to control the inverter directly or used to monitor CO2 or other sensors in HVAC systems)
- Current (I): 0-20mA or 4-20mA (may be used for direct current loop control of the motor controller)
- Resistive (R): Thermistor temperature sensors (may be used to monitor ambient air, return air, and supply air temperatures in HVAC systems)
SW7 for Modbus Termination Resistor and Digital Input Mode
SW7 is used for both the Modbus Termination Resistor and Digital Input mode settings selection. Digital or Discrete Inputs initiate a programmed response of the motor controller based on parameter settings.
The blue D+ D- cap is easily removed to improve access to SW7
P06 Motor Controller User-Selectable Switch Options Diagram
P06 Motor Controller User-Selectable Switch Options Usage & Examples
P06 User-Selectable Switch Options
Motor Controller Model |
Modbus Termination Resistor Switch |
Digital Input Mode Switch |
Universal Input Mode Switches |
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UI1 |
UI2 |
UI3 |
UI4 |
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P06 |
SW7 |
SW7 |
SW2 |
SW3 |
SW4 |
SW5 |
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Modbus Termination Resistor Selection |
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Switch Position |
Mode |
Examples |
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Left DOWN position
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Modbus termination resistor is enabled
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Set if wiring to terminals D+/D is end of daisy chain. |
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Left UP position
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Modbus termination resistor is disabled |
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Digital Input Mode Selection |
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Switch Position |
Mode |
Examples |
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Right DOWN position
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Enables digital inputs LOGIC or dry contact mode. |
Set if DI1 through DI7 will be used to receive contact closures for control. |
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Right UP position
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Enables digital inputs 24VAC signaling mode.
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Set if DI1 through DI7 will be used to receive 24VAC input signal from existing BMS or thermostat. |
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Universal Input Mode Selection |
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UI1 to UI4 DIP Switch ON |
Mode |
Examples |
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Caution: ONLY one switch position should be ON at a time; otherwise, may cause damage to the motor controller.
R
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Resistive/LOGIC: Returns resistance of connected element or ON/OFF if declared as resistive or LOGIC mode respectively. |
Resistive: 2 wire 10K Ω thermistor
LOGIC: Dry contact closure = ON Dry contact open = OFF |
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Caution: ONLY one switch position should be ON at a time; otherwise, may cause damage to the motor controller.
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Voltage: 0-10V signal ended voltage input. |
3-wire device with external power source that provides 0-10V signal. (1 signal, 1 common, 1 power)
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Caution: ONLY one switch position should be ON at a time; otherwise, may cause damage to the motor controller. I
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Current: 0-20mA current input.
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3-wire device with external power source that provides a 0-20mA signal. (1 signal, 1 common, 1 power)
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