Festo Электромотор MTR-DCI - Manual (Page 143)

B. Supplementary information
B-7
Festo P.BE-MTR-DCI-IO-EN en 1209d
Permitted value ranges Transferred parameters and values are checked by the
MTR-DCI before being accepted.
– Non-permitted parameters will not be accepted.
– Values outside the permitted value range will be limited
to the next valid value.
Note
In the case of non-permitted parameters or values, no fault
message will appear in the reply, the value transferred will
always be returned.
Recommendation:
• Check that values and parameters have been written
correctly by downloading the current contents of the
parameter or value with one of the following Read
commands:
Transmission faults If there are transmission faults between the Host (PC) and the
target device, e. g. due to faults in the Host command, Object
2FF0:FF will be transferred instead of the regular reply.
Possible causes:
– incorrect starting character, separating character or
empty character
– incorrect hex figure
– incorrect value type.
Name Class IIII SS Type Acc
communication_
error Var 2FF0 00 UINT16 R
Value Comment
0xFF In the case of a transmission fault, the value <0xFF>
will be transferred instead of the regular reply.