Amplicon Magic 485F9 Руководство по эксплуатации - Страница 11
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TECHNICAL SPECIFICATION
The technical characteristics of the Magic 485F Adapter are in accordance with the following
electrical and physical specifications.
Except where otherwise noted, all specifications are typical at 25º C
Electrical Specification
Supply Voltage
Supply Current
RS232 'High' signal input
RS232 'Low' signal input
RS232 Input Resistance
RS232 'High' signal output
RS232 'Low' signal output
RS232 Output Resistance
RS422/485 Input sensitivity
RS422/485 Input Hysteresis
RS422/485 Output drive
RS422/485 Output load
RS422/485 Receiver I/P Termination
Data Rate
RS232 Connector
RS422/485 Connector
Physical/Environmental Specification
Size
Weight
Temperature Range
+5.0 VDC to +12.0 VDC
from external supply via terminal strip
50 mA plus current drawn by output loads
100 mA fully loaded
+2.4 to +30 V
–30 to +0.8 V
5 kΩ
+9 V
–9 V
300 Ω
0.2 V
70 mV
1.5 V minimum, fully loaded
27 Ω minimum
120 Ω resistor across differential input terminals.
Can be disconnected by switching SW1-4
120 kBd max
25 way DB-25 female connector with screw-locks
8 way pluggable screw terminal assembly
Module with connector
67 x 53 x 20 mm
60 gm
Operating
0° C to +60° C
Magic 485F Adapter
Packed
215 x180 x 80 mm
250 gm
Storage
-20 to +70° C
Page
9