Siemens KS7 Series Spezifikationen PDF herunterladen (Seite 161)

100

101

Communications Mode CP 523

Table 7-30. Return Info and Error Flags in the Coordination Byte 'Receive' (CBR)

in ”3964(R) Mode”

* See error message

Description

Bit

76543210

1XX

Request accepted

No message frame to fetch

Response

Return info for A080

Error flags for A080

Data rejectedParity error

Frame length 0

Receive buffer full

Data rejected

Too many message frames received

Buffer full,

subsequent message

frames will be rejected

Frame too long (256 bytes)

Data rejected

DLE not doubled or no ETX after DLE

Data rejected

STX error, handshaking ON but no STX

Character time-out

Message frame time-out

Checksum error

Break

No errors

7-56

EWA 4NEB 811 6044-02a

1 2 ... 156 157 158 159 160 161 162 163 164 165 166 ... 256 257

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