PD4-C USB Online Manual

Pin assignment

Overview

Connector X1 – analog input and outputs

Pin Function Note
1 GND  
2 Analog input 10 bit, 0-10 V
3 Digital output Open drain, max. 24 V/100 mA
4 Voltage output +12 V DC output voltage, max. capacity 100 mA
Connection data min max
Conductor cross section, rigid, min. 0.14 mm2 0.5 mm2
Conductor cross section, flexible, min. 0.14 mm2 0.5 mm2
Conductor cross section, flexible, min. Wire-end sleeve without plastic sleeve, min. 0.25 mm2 0.5 mm2
Conductor cross section, min. AWG 26 20
Min. AWG acc. to UL/CUL 28 20

Connector X2 – digital inputs

Connection for the digital inputs.

Switching between 24 V (3240h:06="1") and 5 V (3240h:06="0") is performed via object 3240h as is switching from "single-ended" (3240h:07="0") to "differential" (3240h:07="1").

Pin Function Note
1 Input 1 Max. 24 V, not switchable
2 Input 2 Max. 24 V, not switchable
3 Input 3 Max. 24 V, not switchable
4 -Enable (-input 4) The default setting for this input combination is "single-ended"; this means that the "-Enable" input is deactivated, only "+Enable" against GND is active. Max. 5 V or 24 V, "single-ended" or "differential", max. 1 MHz
5 +Enable (+input 4)
6 –Direction (–input 5) The default setting for this input combination is "single-ended"; this means that the "-Direction" input is deactivated, only "+Direction" against GND is active. Max. 5 V or 24 V, "single-ended" or "differential", max. 1 MHz
7 +Direction (+input 5)
8 –Clock (–input 6) The default setting for this input combination is "single-ended"; this means that the "-Clock" input is deactivated, only "+Clock" against GND is active. Max. 5 V or 24 V, "single-ended" or "differential", max. 1 MHz
9 +Clock (+input 6)
10 GND  
The following switching thresholds apply for inputs 1 to 3:
Switching thresholds
On Off
> approx. 16 V < approx. 4 V
The following switching thresholds apply for inputs 4 to 6 (PINs 4 to 9):
Type Max. Voltage Switching thresholds
On Off
Differential 5 V > approx. 3 V < approx. 1 V
24 V > approx. 12 V < approx. 7 V
single-ended 5 V > approx. 3 V < approx. 1 V
24 V > approx. 12 V < approx. 7 V
Connection data min max
Conductor cross section, rigid, min. 0.14 mm2 0.5 mm2
Conductor cross section, flexible, min. 0.14 mm2 0.5 mm2
Conductor cross section, flexible, min. Wire-end sleeve without plastic sleeve, min. 0.25 mm2 0.5 mm2
Conductor cross section, min. AWG 26 20
Min. AWG acc. to UL/CUL 28 20

Connector X3 - voltage supply

Voltage source

The operating or supply voltage supplies a battery, a transformer with rectification and filtering, or a switching power supply.

Note:
  • EMC: For a DC power supply line longer than 30 m or when using the motor on a DC bus, additional interference-suppression and protection measures are necessary.
  • An EMI filter is to be inserted in the DC supply line as close as possible to the controller/motor.
  • Long data or supply lines are to be routed through ferrites.

Connections

Pin Function Note
1 +Vcc
  • PD4-C: 12-48 V
  • PD4-CB: 12-24 V
2 GND  
Connection data min max
Conductor cross section, rigid, min. 0.2 mm2 1.5 mm2
Conductor cross section, flexible, min. 0.2 mm2 1.5 mm2
Conductor cross section, flexible, min. Wire-end sleeve without plastic sleeve, min. 0.25 mm2 1.5 mm2
Conductor cross section, flexible, min. Wire-end sleeve min. Plastic sleeve min. 0.25 mm2 0.75 mm2
Conductor cross section, min. AWG 24 16
Min. AWG acc. to UL/CUL 24 16

Permissible operating voltage

The maximum operating voltage is:
  • 30 V DC for BLDC motors (PD4-CB). Above 29 V, the integrated ballast circuit (3 W power) is activated.
  • 51.5 V DC for stepper motors (PD4-C). Above 50.5 V, the integrated ballast circuit (3 W power) is activated.

The minimum operating voltage is 10 V DC. If the input voltage of the controller falls below this threshold value, the motor is switched off and an error triggered.

A charging capacitor of at least 4700 µF / 50 V must be connected to the supply voltage to avoid exceeding the permissible operating voltage (e.g., during braking).

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