C H A P T E R 5 : E T H E R N E T / I P P R O T O C O L

Write Tag (where responses are written by the HS500E)

EMS_Write1 [0] = (2) the counter is copied here by the HS500E to ACK

EMS_Write1 [1] = (3) the HS500E increments this counter to signal a response is available

EMS_Write1 [2] = Data Size

EMS_Write1 [3-102] = Data

Read Tag (where commands are retrieved by the HS500E)

EMS_Read1 [0] = (4) PLC copies the counter here to ACK the response

EMS_Read1 [1] = (1) PLC increments this counter after writing a command

EMS_Read1 [2] = Data Size

EMS_Read1 [3-102] = Data

H S 5 0 0 E – O P E R A T O R ’ S M A N U A L

P / N : 1 7 - 1 3 0 5 R E V 0 2 ( 1 2 - 0 5 )

 

P A G E 5 0 O F 8 2

Page 50
Image 50
Emsa manual Write Tag where responses are written by the HS500E