Festo VAEM-V-S8EPRS2 Operating Instructions Manual page 19

Parameterisation
Bit Designation
0 Status
1 -
2 -
3 Error bit
4 Operational readi-
ness
5 -
6 operating mode
7
8 Valve 1
... ...
15 Valve 8
Tab. 20 Meanings of the bits in the status word
Access Data type
R U16
Tab. 21 Architecture of ASCII telegram: query status word
Access Data
type
0x00 0x02
(read) (Uint16)
Tab. 22 Architecture of Modbus TCP: query status word
Festo — VAEM-V-S8EPRS2 — 2020-07
Meaning
Status 0
No valve active
Reserved, without function
Reserved, without function
no error
– 1 valve in operation
³
– No valve selected
– Error
– Stop active
Reserved, without function
00: operating mode 1
01: operating mode 2
10: operating mode 3
11: reserved
– Valve not selected
– Error on selected valve
– No valve connected
...
– Valve not selected
– Error on selected valve
– No valve connected
Index I Subindex S
2 0
System Address-
paramet- ing para-
ers index meter
subindex
0x02 0x00
Value V
-
Transfer Example of data area Modbus TCP
value
0x00
00 02 0002 00 00 0000 0000
0000 0000
Status 1
1 valve active
³
Error
1 valve selected and ready to
³
start
Valve selected
...
Valve selected
Example of an ASCII tele-
gram
RU16:I2S0
19