Introduction to the SINAUT ST7 system
2.3 SINAUT TIM communication modules
SINAUT ST7 Station control system - System Manual
System Manual, 05/2007, C79000-G8976-C178-06
37
TIM 32
Transmission protocols
Selectable protocols
•
SINAUT ST7
•
SINAUT ST1
Mode
•
SINAUT ST7 protocol
•
SINAUT ST1 protocol
•
- Polling
- Polling with time slots
- Multi-master polling with
time slots
•
- Polling
- Polling with time slots
Asynchronous character format
•
SINAUT ST7 protocol, polling
•
SINAUT ST7 protocol, multi-master
polling
•
SINAUT ST1 protocol, polling
•
10 or 11 bits
•
10 bits
•
11 bits
Hamming distance d
•
SINAUT ST7 protocol
•
SINAUT ST1 protocol
•
4
•
4
Integrated modem MD2
Transmission path
2-wire, 2 x 2-wire or 4-wire,
twisted pair, without loading coils or with few
loading coils
Type of modulation
Frequency shift keying (FSK)
Transmission speeds
•
1200 bps
•
2400 bps
•
9600 bps (not for telephone company leased
lines)
•
19,200 bps (not for telephone company
leased lines)
Mode
•
With 2-wire or 2 x 2-wire
•
With 4-wire
•
Half duplex
•
Duplex or half duplex
Transmit level can be set to
•
0 dB
•
-6 dB
•
-9 dB (for telephone company leased lines)
•
-15 dB
Receive level
0 to -43 dB
Terminating resistor can be adjusted
•
For 1200 and 2400 bps
•
For 9600 and 19200 bps
•
For tapping point
•
600 ohms
•
150 ohms
•
> 6 kilohms
Ready to send
•
At 1200 bps
•
At 2400 bps
•
At 9600 and 19200 bps
•
After 7 ms
•
After 4 ms
•
After 0.5 ms