• TimeSyncMode
• EvalT
imeAccuracy
• EventRepMode
• CmdMode
• RepIntermediatePos
<config-selector> is:
• “OPTICAL103:1” for the optical serial channel on the SLM
• “RS485103:1” for the RS485 port
2. The protocol to activate on a physical port is selected under:
Main menu/Configuration/Communication/Station Communication/Port
configuration/
• RS485 port
• RS485PROT:1 (off, DNP, IEC103)
• SLM optical serial port
• PROTOCOL:1 (off, DNP, IEC103, SPA)
GUID-CD4EB23C-65E7-4ED5-AFB1-A9D5E9EE7CA8 V3 EN
GUID-CD4EB23C-65E7-4ED5-AFB1-A9D5E9EE7CA8 V3 EN-US
Figure 3: Settings for IEC 60870-5-103 communication
The general settings for IEC 60870-5-103 communication are the following:
• SlaveAddress and BaudRate: Settings for slave number and communication
speed (baud rate).
The slave number can be set to any value between 1 and 254. The
communication speed, can be set either to 9600 bits/s or 19200 bits/s.
• RevPolarity: Setting for inverting the light (or not). Standard IEC 60870-5-103
setting is On.
• CycMeasRepTime: See I103MEAS function block for more information.
• EventRepMode: Defines the mode for how events are reported. The event
buffer size is 1000 events.
Event reporting mode
If EventRepMode = SeqOfEvent, all GI and spontaneous events will be delivered in
the order they were generated by BSW. The most recent value is the latest value
delivered. All GI data from a single block will come from the same cycle.
Section 3 1MRK 511 394-UEN A
IEC 60870-5-103 communication engineering
18 670 series 2.2 IEC
Communication protocol manual
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