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Wiring

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ASDA -A3

3

 EtherCAT error indicator (ERR)

Indicator

Off

Status

No error

On

PDI Watchdog timeout

Blinking

State change error

Single flash

Synchronization error /

SyncManager error

Description

No error has occurred.

Servo drive malfunction. Contact the distributor for

assistance.

Parameter setting error causes the system unable

to switch the state. Refer to the following diagram.

The synchronization between the controller and

the servo drive failed or the data was lost during

data reception.

Init

(IP)

(PI)

Pre-Operational

(SI)

(OI)

(PS) (SP)

(OP)

Safe-Operational

(SO)

Operational

(OS)

Figure 3.9.2.1 EtherCAT State Machine

Connecting multiple servo drives:

Note:

1. When multiple servo drives are connected, the maximum distance between each servo drive is 50 m

(164.04 inches).

2. Use CAT5e STP cable.

3. It is suggested that you use a Beckhoff network cable (model number: ZB9020).

4. Ensure the wiring is correct. The IN port is for connecting the controller or the previous servo drive, and

the OUT port is only for connecting the next servo drive.

3-116

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