14
RS485 module (isolated) FCA2002-A1
Technical data
96
Building Technologies
008837_q_en_--
Fire Safety
14.05.2012
14.4
Technical data
Supply input
Voltage
DC 3.3 V
Operating voltage while:
Receiving
Approx. 65 mA
Sending at 19.2 kbit/s
Approx. 125 mA
RS485 interface
Connection
Bus structure
Communication mode
Half-duplex
Number of participants
Max. 8
Length of line
Max. 1200 m
Data rate at 1200 m with:
Shielded cables
Max. 96 kBit/s
Unshielded cables
Max. 9.6 kbit/s
Electrical isolation between the RS485
interface and the station
1.5 kV
Monitored for
Ground fault
Connections
RS485 interface:
Design
Screw terminal 4-pin
Cross-section
0.14…1.5 mm
2
To the operating unit
Plug-type connection
Mechanical data
Dimensions (W x H x D)
50 x 15 x 70 mm
Weight
20 g