Advant Controller AC 31 / Issued: 01.99
3 – 3
Technical specifications
3
3.2
Technical specifications of the CS31 system bus
Type
RS 485 multipoint serial interface
Mode
Half-duplex
Number of connection points
1 master
max. 31 slaves
General data
- Cross-section
- Twists
- Resistance
- Impedance specification
- Capacity
- Shielding
- Line termination
Twisted pair
0.22...0.8 mm²
> 10 per metre
≤
100
Ω
/km
100 to 150
Ω
< 150 nF/km
Braiding
Resistance 120
Ω
, ¼ Watt, connected
to each end of the bus
Protocol
CS31 (master/slave)
Data transmission control
CRC
Maximum length
up to 500 m without amplifier
up to 2000 m with 3 amplifiers
(NCB or NCBR)
Bus redundancy
yes, with NCBR (bus amplifier)
Isolation
yes, by optocoupler
Refresh time
2 ms minimum
typically 12 ms with 31 AC31 connection
points
Baud rate
187.5 kBauds
Summary of Contents for 07CR41
Page 6: ...Contents 4 Advant Controller AC 31 Issued 08 99 3 ...
Page 62: ...Installation 4 14 Advant Controller AC 31 Issued 08 99 3 Figure 22 Extension XK 08 F1 l ...
Page 94: ...Programming 5 22 Advant Controller AC 31 Issued 01 99 3 ...
Page 110: ...Communication 6 16 Advant Controller AC 31 Issued 01 99 3 ...
Page 122: ...Appendix A 4 Advant Controller AC 31 Issued 08 99 3 ...
Page 123: ......