Technical data

Table Of Contents
Communication SFCs for Non-Configured S7 Connections
System Software for S7-300/400 System and Standard Functions - Volume 2/2
A5E00739858-01
22-3
22.2 Error Information of the Communication SFCs for
Non-Configured S7 Connections
Error Information
The "real" error information for SFCs 65 to 74 as shown in the table "Specific Error
Information for SFCs 65 to 74" can be classified as follows:
Error Code(W#16# ...) Explanation
809x Error on the CPU on which the SFC is executed
80Ax Permanent communication error
80Bx Error on the communication partner
80Cx Temporary error
Specific Error Information for SFCs 65 to 74
Error Code
(W#16# ...)
Explanation (General)
Explanation (for Specific SFC)
0000 Execution completed
without errors.
SFC 69 "X_ABORT" and SFC 74 "I_ABORT": REQ=1, and the
specified connection is not established.
SFC 66 "X_RCV":EN_DT=1 and RD=NIL
00xy - SFC 66 "X_RCV" with NDA=1 and RD<>NIL: RET_VAL
contains the length of the received data (with EN_DT=0) or
the length of the data copied to RD (with EN_DT=1).
SFC 67 "X_GET": RET_VAL contains the length of the
received block of data.
SFC 72 "I_GET": RET_VAL contains the length of the received
block of data.
7000 - SFC 65 "X_SEND," SFC 67 "X_GET,"
SFC 68 "X_PUT," SFC 69 "X_ABORT,"
SFC 72 "I_GET," SFC 73 "I_PUT" and
SFC 74 "I_ABORT": call with REQ = 0
(call without execution), BUSY has the value 0, no data
transfer active.
SFC 66 "X_RCV": EN_DT=0/1 and NDA=0
7001 First call with REQ=1:
data transfer was
triggered; BUSY has the
value 1.
-
7002 Interim call (REQ
irrelevant): data transfer
is already active ; BUSY
has the value 1.
SFC 69 "X_ABORT" and SFC 74 "I_ABORT": Interim call
using
REQ=1