EL8601-8411 – Connections

EL8601-8411 – Connections 1:Fig.21: EL8601-8411 - connection overview

Depending on the configuration of the "SlotGroups" and "ModuleGroups", different I/O functions are assigned to the connections (see Modules/Slots procedure). The following chapters show the connections according to the respective function. In TwinCAT, the connections are also displayed in the "Product View" tab according to the current configuration.

No.

Designation

Description

Functions according to configuration

1

DI/ENC A/
CNT Clk

Digital input/Encoder track A/
Counter input clock

4 x Multi-function digital input (SlotGroup 1):

  • 4 x digital input or
  • 2 x digital input and output each or
  • counter or encoder with
    • 2 digital inputs or
    • 2 digital outputs or
    • one digital input and output each or
    • threshold and digital output or
  • encoder with latch and gate input

2

DI/ENC B/
CNT Dir

Digital input/Encoder track B/Counter input counting direction

3

DI/Latch/
Thr.Out/DO

Digital input/Latch input/
Threshold output/Digital output

4

DI/Gate/DO

Digital input/Gate input/Digital output

5

PWM 1 / DO

PWM output/Digital output

Multi-function digital output 1/2 (SlotGroup 3):

  • digital output or
  • PWM output

6

AI U

Analog input voltage

1 x multi-function analog input (SlotGroup 4):

  • 1 x analog input voltage or
  • 1 x analog input current

7

AI GND

Analog GND

8

AI I

Analog input current

9

DI 1

Digital input 1

4 x digital input (SlotGroup 2):

  • 4 x digital input

10

DI 2

Digital input 2

11

DI 3

Digital input 3

12

DI 4

Digital input 4

13

PWM 2 / DO

PWM output/Digital output

Multi-function digital output 2/2 (SlotGroup 3):

  • Digital output or
  • PWM output

14

AO U

Analog output voltage

1 x multi-function analog output (SlotGroup 5):

  • 1 x analog output voltage or
  • 1 x analog output current

15

AO GND

Analog GND

16

AO I

Analog output current

EL8601-8411 – Connections 2:

EMC note: Measurement deviations caused by surge voltages

Surge voltages in accordance with EN 61000-6-2 on the supply cables and/or on a cable shield can lead to measurement deviations.

  • Provide suitable surge protection.
    From the Beckhoff product portfolio, the EL9540-0010 terminal for surge filter and field supply is suitable here, for example. The complete product overview can be found on the Beckhoff homepage (https://www.beckhoff.com/EL9xxx).
EL8601-8411 – Connections 3:

Maximum cable length to the sensor/encoder

  • Signal cables to the sensor/encoder over 3 m must be shielded.
    The shielding must be state-of-the-art and effective.
  • The permissible cable length for analog signal cables is < 30 m.
Further Information