User`s guide

214 DC 900-1340I
BSC Programmer’s Guide
Figure B–4: Signon Procedure (Transmit with Delayed Data)
Client Freeway
Remote Station
Signon command = “LOCAL”
LOCAL<ENQ>
REMOTE<ACK0>
Signon response = “REMOTE”
<STX>HELLO<ETX>
<ACK1>
Data Acknowledge
<EOT>
.
.
.
Data block = “HELLO”
More than
2 seconds
<ENQ>
<ACK0>
Signon response (no data)
<EOT>
Signon command (no data)
dlWrite
(
DLI_PROT_SEND_SIGNON)
dlRead
(
DLI_PROT_SEND_SIGNON)
dlWrite
(
DLI_PROT_SEND_SIGNON)
dlRead
(
DLI_PROT_SEND_SIGNON)
dlWrite
(
DLI_PROT_SEND_NORM_DATA_EOM)
dlRead
(
DLI_PROT_RESP_LOCAL_ACK)