Delta EtherCAT

EtherCAT Programming Guide Master Initialization
March, 2017 6-17
6
6.14 _ECAT_Master_Check_Working_Counter

Syntax
U16 PASCAL _ECAT_Master_Check_Working_Counter(U16 CardNo, U16 *Abnormal_Flag,
U16 *Working_Slave_Cnt)

Purpose
This is for acquiring the current connection status of EtherCAT communication.

Parameter
Name Data type Property Description
CardNo U16 Number (No.) Card No.
Abnormal_Flag U16* Status
0: Normal
1: Error
Working_Slave_Cnt U16* Quantity
The current EtherCAT slave quantity detected during
communication. In normal condition, the detected
number is identical to that obtained via
_ECAT_Master_Get_SlaveNum. When error occurs,
this number can be used to locate the error regarding
physical wiring.

Example
U16 Status;
U16 CardNo=16;
U16 Abnormal_Flag, Working_Slave_Cnt;
Status = _ECAT_Master_Check_Working_Counter(CardNo, &Abnormal_Flag,
&Working_Slave_Cnt);