Communications configuring
System- and communication configuring D7-SYS - SIMADYN D 3-35
Edition 12.2003
When establishing communications via layer 2, the channel name and
address stage 1 must always be specified at the address connection.
When transmitting, address stage 2 must be specified. When receiving,
address stage 2 information is optional.
Special features when entering data at address connection AT, AR when
using SINEC H1 layer 2:
Please enter in the following sequence:
"Channel name.address stage 1.address stage 2"
• Channel name
− maximum 8 characters
− ASCII characters except "Point" and @
− the channel name at a data interface must be unique.
− the channel name does not have a specific significance for
SINEC H1 layer 2.
• Enter "." after the channel name
• Address stage 1: "#2-ll"
− #2-
Reserved ID when using SINEC H1 layer 2.
− ll
Local Link Service Access Point (LLSAP). The LLSAP consists of
two hexadecimal numbers and must be divisible by four.
00 and 08 are not permitted.
Each LLSAP can be simultaneously used bidirectionally - i. e.
transmitting and receiving. Either one AT (transmit channel) and
AR connection (receive channel) can use the same LLSAP or one
US connection (transmit and receive channel).
• Enter "." after address stage 1
• Address stage 2: "Station address-rr"
− must be available when transmitting and for bidirectional channels
(US connection). When receiving, the entry is optional.
− station address
Specify the station address (twelve hexadecimal numbers) of the
communications partner.
− -
The hyphen must be specified to separate the station address and
RLSAP.
− rr
Remote Link Service Access Point (RLSAP). The RLSAP consists
of two hexadecimal numbers, and must be divisible by four.
00 and 08 are not permitted.
Data entries at
address
connections AT,
AR
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