User Manual

Technical data of the bus systems
Connection to card COM1, data sheet 8314
Building level network
(SDLC ring)
types BPS1.C1/1S or BPS1.C1/1ST
Transmission speed 2400, 4800 bps
canned in BPS 4800 bps
Ring cable connection to terminal block III
Ring cable min. 0.6 mm ∅, 1 x 4 or 2 x 2 screened, 4-core twisted
Ring cable with field phone screened,
min. 0.6 mm ∅, 2 x 4 or 3 x 2 8-core or 6-core twisted
Ring cable impedance 120 Ohm at 100 kHz
SDLC signal amplification for each individual BPS
distance between two stations max. 1000 m
ring length without signal amplification max. 2000 m
Field phone connection to terminal block III
Topology: ring see Mounting and Installation
Manual M8017
Connection to basic unit, terminal block I data sheet 8414
Process bus (P-bus)
Transmission speed 62500 bps (fixed)
Read/write cycle for all I/O points 0.5 sec
Connection for bus lines to terminal block I
Line length:
For wiring with 3-pin round cable unscreened
length of all sections, 1.5 mm
2
max. 50 m
length of all sections, 1.0 mm
2
max. 30 m
For wiring with 1-pin coaxial cable cable type RG-62 A/U
(1 cable each for data PD and Clock PC,
both screenings for reference voltage PU)
length of all sections for max. 50 I/O modules max. 200 m
Topology: line, star, tree configurations see data sheet 8022
Connection to COM2 card, type BPS1.C2/1F data sheet 8315
Floor level network
Physical layer fully compatible with Profibus
Transmission speed 19200 bps (fixed)
Transmission level to RS485
Round cable connection to terminal block II
Round cable 2-pin, polarity dependent screened
length of bus segment max. 1200 m, spur lines inclusive
length of all spur lines max. 500 m
length of one spur line max. 250 m
Multiple bus length max. 3 repeaters in series
Total length between 2 FLN-devices max. 4800m (4 bus segments)
Network topology see data sheet 8026
Connection at COM2 card, type BPS1.C2/2M data sheet 8315
MONOGYR bus
Transmission speed 1024 bps (fixed)
Round cable connection to terminal block II
Round cable 2-pin unscreened
line length at 1.5 mm
2
max. 1500 m
line length at 1.0 mm
2
max. 1000 m
Topology: line, star, tree configurations see data sheet 8277
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Siemens Building Technologies Building Process Station CM2N8302en
Building Automation 28-Jan-04