7 | Application Layer | Harris-5000/6000 Application Layer |
6 | Presentation Layer | n/a |
5 | Session Layer | n/a |
4 | Transport Layer | n/a |
3 | Network Layer | n/a |
2 | Link Layer | n/a |
1 | Physical Layer | RS232 (V.24) |
Physical Layer
PCM, half-duplex, 7 data bits, parity
Baud rates up to 9600
Application Layer
on-demand transmission of analog and counter values
on-demand transmission and transmission on change of single point indications
SOE (Sequence of Events) transmission of single point indications with time tag
"Select before operate" transmission of commands and setpoints
clock synchronization
Address Space
RTU addresses 1..63
Harris-5000: 1..7 ports
Harris-6000: 1..16 ports
Harris-5000: 1..32 points
Harris-6000: 1..63 points