32
Processor unit (19", FC2080) FCC2002-A1
Pin assignments
190
Building Technologies
008837_q_en_--
Fire Safety
14.05.2012
You will find details about signal monitoring and wiring diagrams in the product
data of the power supply (150W).
32.3.3
X41 / X42 / X51 / X52 connection terminals for module bus
cards
The module bus card determines the PIN assignment of the connectors. You will
find the pin assignments in the description of the corresponding module card.
The assignment of the connector is:
Connections of module bus card 4 are on connectors X41 and X42
Connections of module bus card 5 are on connectors X51 and X52
32.3.4
X14 SER_OPT1, RS485 connection terminal
Pin
Designation
Description
2
A
RS485 line A
1
B
RS485 line B
Admissible cable cross-section: 0.2…1.5 mm²
X14
RS485_B
RS485_A
T1
Tn
2
1
*)
A
B
SER_OPT1
T1 First participant
Tn Last participant
*) Stub lines must not exceed 20 m!
Consider the polarity A, B!
Terminate the line after the last participant (Tn) with 120 !