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System 6844(RC) - V03.00
hopf
Elektronik GmbH
Nottebohmstr. 41
• D-58511 Lüdenscheid • Tel.: +49 (0)2351 9386-86 • Fax: +49 (0)2351 9386-93 • Internet: http://www.hopf.com • E-Mail: [email protected]
6.3.14 IEC-103 (ASDU Type 6)
Reference: IEC60870-5-103
This data string requires the configuration of
Mode Byte 3
(see
Chapter 0
String for IEC-103 (ASDU Type 6)).
6.3.14.1 Specified Settings
Automatic:
baud rate: 9600 Baud
word length = 8 bit
stop bit: 1
parity:= even
transmission point = every minute
3
control character at second change: on
second forerun: on
transmission delay: on
Mode byte 3 (address): 254 ($FE)
Required:
baud rate: 9600 Baud
word length = 8 bit
stop bit: 1
parity:= even
transmission point = every minute
3
control character at second change: on
second forerun: on
transmission delay: on
Mode byte 3 (address): 0 to 255 ($00-FF)
Blocked:
word length: parity
control character at second change: off
transmission delay, second forerun, transmission point
3
The Configuration "transmission point for data strings" in mode byte 1 / bit1-bit0 is adjusted for the output "every
second". The IEC-103 (ASDU Type 6) string consists of two data strings:
o
Time String
transmission point: every minute
o
Initialising String
transmission point: every second