Euchner EKS FSA with Ethernet Interface Bedienungsanleitung PDF herunterladen (Seite 36)

Manual EKS Electronic-Key Adapter Ethernet

8.3.2 Read process

Command message (message core, PC/PLC (control system) → EKS, see Figure 10):

f TL (device addr.) (start addr. user data) (number of bytes of user data)

Reply message (message core, EKS → PC/PLC (control system), see Figure 11 or Figure 12):

For this command there are two possible replies:

f RL (device addr.) (start addr. user data) (number of bytes of user data) (user data)

f RF (device addr.) (00

hex

, 00

hex

) (status number)

The reply message RL (see Figure 11) stands for correct reception of the data.

If an Electronic-Key cannot be read, an RF reply message is received (see Figure 12). The status number then

indicates the cause of the error.

Content

Byte no. Description

ASCII hexadecimal decimal

0 Number of message bytes 07 7

Command identification

3 Device address 01 1

5 Start address for user data

00 ... 73

0 ... 115

6 Number of bytes of user data 01 ... 74 1 ... 116

Figure 10: Command message read Electronic-Key read/write (message core)

Content

Byte no. Description

ASCII hexadecimal decimal

0 Number of message bytes 08 ... 7B 8 ... 123

Command identification

3 Device address 01 1

Start address for user data

00 ... 73

0 ... 115

6 Number of bytes of user data 01 ... 74 1 ... 116

7 ... 122 User data ASCII or hexadecimal or BCD (code transparent)

Figure 11: Reply message read Electronic-Key read/write (message core)

Content

Byte no. Description

ASCII hexadecimal decimal

0 Number of message bytes 07 7

Command identification

3 Device address 01 1

Padding data

6 Status number *

Figure 12: Reply message read Electronic-Key read/write - status (message core)

* Status number 02

hex

: Electronic-Key not in the operating distance

(For further status numbers see section 8.5)

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