User Manual
Table Of Contents

Floor level network
card BPS1.C2/1F
Physical layer fully compatible with Profibus
Transmission speed 19200 bps (fixed)
Transmission level to RS485
Round cable connection to terminal block II, PVX1.2PM
Round cable 2-pin, polarity dependent screened
length of a bus segment max. 1200 m incl. spur lines
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
Monogyr bus card
BPS1.C2/2M
Transmission speed 1024 bps (fixed)
Round cable connection to terminal block II, PVX1.2PM
Round cable 2-pin unscreened
line length with 1.5 mm
2
max. 1500 m
line length with 1.0 mm
2
max. 1000 m
Topology: line, star, tree configurations see data sheet 8277
Internal diagrams
FLN bus card
Monogyr bus card
Floor Level Network (FLN-bus) Terminal Signal
UR Remote supply line for bus amplifier (repeater)
UG Signal ground
UP Data line positive
UN Data line negative
Connection for cable screening
Monogyr-bus (M-bus) Terminal Signal
W Bus signal
M9 Bus neutral
Connectors
X1 Internal plug connection to process unit
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Siemens Building Technologies COM2 communication cards CM2N8315en
Building Automation 28-Jan-2004
2004 Siemens Buildin
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