B
Control via Ethernet (CVE)
Festo – EXCM-30/-40-...-PF-EN – 1603 – English
79
C
Control via Ethernet (CVE)
C.1
CVE object overview
Explanation of read and write access
Code
Meaning
R
The object is readable.
W1
The object can be written if the drive is blocked (ENABLED=0)
(
è
5.2.3 Description of the status bytes SCON/SPOS).
W2
The object can be written if the drive is enabled (ENABLED=1)
(
è
5.2.3 Description of the status bytes SCON/SPOS).
W3
The object can also be written by an interface that does not currently have master control.
Admin
The object is protected by the administrator password.
Tab. C.1
Access rights
Detailed descriptions of the CVE objects
Index 3
Subindex 0
Master control
System
UINT08
R/W1/W2/W3/-
Master control determines which interface may control the controller.
To activate the CVE interface, the value 2 must be written to the CVE object.
0x00: I/O
0x01: FCT (Festo Configuration Tool)
0x02: CVE (Control via Ethernet)
0x04: CANopen
Values: 0 … 255
Default: 0
Index 239
Subindex 0
Status word
FHPP
UINT16
R/-/-/-/-
Status word (
è
5.2.3 Description of the status bytes SCON/SPOS)
Byte 1: status byte SCON
Byte 2: status byte SPOS
Values: 0 … 65535
Default: 0
Index 239
Subindex 1
Error number
FHPP
UINT16
R/-/-/-/-
Error number
In record selection mode, the current record number is in the high byte.
In direct mode, the high byte = 0.
Values: 0 … 255
Default: 255 (255 is not an error, values are in the low byte)