PEB 2091
PEF 2091
Programming
6.3
Predefined EOC Codes
The EOC contains an address field, a data/message indicator and an eight-bit
information field, see "U -Frame Structure", page 67 for details.
The data/message indicator needs to be set to (1) to indicate that the information field
contains a message. If set to (0), numerical data is transferred to the NT. Currently no
numerical data transfer to or from the NT is required.
From the 256 codes possible in the information field 64 are reserved for non-standard
applications, 64 are reserved for internal network use and eight are defined by ANSI for
diagnostic and loop-back functions. All remaining 120 free codes are available for future
standardization.
Table 48
Supported EOC-Commands
EOC
Address
Field
Data/
Message
Indicator
Information
Message
O (rigin)
D (estination)
a1a2a3
000
d/m
i1 i2 i3 i4 i5 i6 i7 i8
LT
NT
x
x
x
NT
111
Broadcast
0 01
1 10
Repeater stations
No. 1 – No. 6
0
1
1
1
1
1
1
1
1
1
Data
Message
LBBD
LB1
0 1 0 1 0 0 0 0
0 1 0 1 0 0 0 1
0 1 0 1 0 0 1 0
0 1 0 1 0 0 1 1
0 1 0 1 0 1 0 0
1 1 1 1 1 1 1 1
0 0 0 0 0 0 0 0
1 0 1 0 1 0 1 0
O
D
O
O
D
D
LB2
O
D
RCC
NCC
RTN
H
O
D
O
D
D/O
D
O/D
O
ACK
Semiconductor Group
231
Data Sheet 01.99
INFINEON [ Infineon ]
