PD4-E-A Modbus TCP Online Manual

Pin assignment

Overview

Connector Function
X1 Modbus TCP IN
X2 Modbus TCP OUT
X3 Voltage supply
X4 Inputs/outputs and external logic supply

Note: All pins with designation GND are internally connected.

X1 − Modbus TCP IN

Connection for Modbus TCP. Type: M12, 4-pin, D-coded, female

Suitable Nanotec cable: ZK-M12-4-2M-1-D-RJ45 (not included in the scope of delivery)

Pin Function Note
1 TD+
2 RD+
3 TD-
4 RD-

X2 − Modbus TCP OUT

Connection for Modbus TCP. Type: M12, 4-pin, D-coded, female

Suitable Nanotec cable: ZK-M12-4-2M-1-D-RJ45 (not included in the scope of delivery)

Pin Function Note
1 TD+
2 RD+
3 TD-
4 RD-

X3 – voltage supply

Connection for the main supply. Type: M12, 5-pin, B-coded, male

Suitable Nanotec cable: ZK-M12-5-2M-1-B-S (not included in the scope of delivery)

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.

Pin assignment

Pin Function Note
1 +Ub 12 - 48 V DC ±5%
2 +Ub 12 - 48 V DC ±5%
3 GND
4 GND
5 n.c. Not used

Permissible operating voltage

The maximum operating voltage is 50.4 V DC, except for variant PD4-EB59MB... (25.2 V). If the input voltage of the controller exceeds the threshold value set in 2034h, the motor is switched off and an error triggered. Above the response threshold set in 4021h:02h, the integrated ballast circuit is activated (wirewound resistor Z32041412209K6C000 from Vishay with 3 W continuous output).

The minimum operating voltage is 11.4 V DC. If the input voltage of the controller falls below 10 V, the motor is switched off and an error triggered.

A charging capacitor of at least 4700 µF / 50 V (approx. 1000 µF per ampere rated current) must be connected to the supply voltage to avoid exceeding the permissible operating voltage (e. g., during braking).

Note:
  • Damage to the controller and/or its power supply due to excitation voltage of the motor!
  • Voltage peaks during operation may damage the controller and possibly its power supply.
  • ► Install suitable circuits (e.g., charging capacitor) that reduce voltage peaks.
  • ► With BLDC motors: Select a voltage source that corresponds to the rated voltage of the respective motor as specified in the motor data sheet.
  • ► Use a power supply with protection circuit to protect against overvoltage.

X4 – Inputs/outputs and external logic supply

Connection for the digital and analog inputs/outputs and the external logic supply. Type: M12, 12-pin, A-coded, male

Suitable Nanotec cable: ZK-M12-12-2M-1-AFF (not included in the scope of delivery)

Pin Function Note
1 GND
2 Digital input 1 5 V / 24 V signal, switchable by means of software with object 3240h, max. 1 MHz
3 Digital input 2 5 V / 24 V signal, switchable by means of software with object 3240h, max. 1 MHz
4 Digital input 3 5 V / 24 V signal, switchable by means of software with object 3240h, max. 1 MHz
5 Digital input 4 5 V / 24 V signal, switchable by means of software with object 3240h, max. 1 MHz
6 Digital input 5 5 V / 24 V signal, switchable by means of software with object 3240h, max. 1 MHz
7 Digital input 6 5 V / 24 V signal, switchable by means of software with object 3240h, max. 1 MHz
8 Analog input 10 bit, 0 V…+10 V or 0…20 mA, switchable by means of software with object 3221h
9 Digital output 1 Digital output, open drain, max. 24 V / 100 mA
10 Digital output 2 Digital output, open drain, max. 24 V / 100 mA
11 Voltage output +5 V, max. 100 mA
12 +UB Logic +24 V DC, input voltage for the logic supply, current consumption: approx. 39 mA

In 4015h, you can activate the alternative function of the digital inputs, which is used for the special drive modes. See chapter Special drive modes (clock-direction and analog speed).

If you set 3240h:07h to the value "1", three differential inputs are available instead of six single-ended inputs.

The following table shows all possible combinations:

Pin Basic function Alternative function
Single-ended Differential Single-ended Differential
2 Input 1 - Input 1 Release –Enable
3 Input 2 / Direction input in clock-direction mode + Input 1 Direction Release
4 Input 3 / clock input in clock-direction mode - Input 2 / - Direction input in clock-direction mode Clock –Direction
5 Input 4 + Input 2 / + Direction input in clock-direction mode Digital input 4 Direction
6 Input 5 - Input 3 / - Clock input in clock-direction mode Digital input 5 –Clock
7 Input 6 + Input 3 / + Clock input in clock-direction mode Digital input 6 Clock
The following switching thresholds apply for inputs 1 to 6:
Max. Voltage Switching thresholds
Switching on Switching off
5 V > 4.09 V < 0.95 V
24 V > 14.74 V < 3.78 V
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