8640 - 147
AS I
NTERFACE
Inputs
•
Input configuration
PNP
•
Sensor supply
via AS interface
•
Sensor voltage supply
24 V/DC ± 20 %
•
Current loading capacity
max. 200 mA, short circuit proof
•
Switching level „1“ signal
≥
10 V
•
Limitation of input current
≤
6,5 mA
•
Input current „0“ signal
≤
1,5 mA
Housing
•
Operating temperature
0 ... + 50 °C
•
System of protection
IP 65
Characteristics
•
4 valve outputs, electrically isolated from the bus, voltage supply via external 24 V, connection of valves
(1 W / 2 W)
•
4 sensor inputs via 4 M12 circular connectors (8 sensors can be connected by means of Y-distributors)
•
Diagnosis LEDs
•
1 ASI address is occupied
Connection and displays
Diagnosis LEDs
LED 1 green
LED 2 red
State signalled
OFF
OFF
Power OFF/ No operating voltage
OFF
ON
No data traffic / WatchDog expired
ON
OFF
OK
flashes
ON
Slave address = 0
OFF
flashes
External RESET / Overload
Summary of Contents for 8640
Page 10: ...8 8640 GENERAL INSTRUCTIONS ...
Page 22: ...20 8640 MODULES FOR CONVENTIONAL CONNECTION TECHNICS ...
Page 58: ...56 8640 PROFIBUS DP ...
Page 98: ...96 8640 FIELD BUS MODULE INTERBUS S ...
Page 118: ...116 8640 SELECAN ...
Page 152: ...150 8640 AS INTERFACE ...
Page 156: ...154 8640 INPUT EXPANSION MODULE FOR TRANSDUCERS ...
Page 178: ...176 8640 INTERNAL BUS EXTENSION ...
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Page 196: ...The smart choice of Fluid Control Systems www buerkert com ...