148 - 8640
AS I
NTERFACE
M12 plug for voltage supply to valves (AUX power)
M12 plug for field bus connection (AS-i)
M12 sockets for sensor inputs
1
2
3
4
NC
0 V
24 V
NC
1
2
3
4
24 V
AS-i -
AS-i +
0 V
1
2
3
4
IN 1
0 V
24 V
IN 2
Pin
Description
1
24 V (valves)
2
not connected (NC)
3
0 V (valves)
4
not connected (NC)
Pin
Description
1
AS-i +
2
0 V (valves)
3
AS-i -
4
24 V (valves)
Pin
Description
1
24 V sensor supply
2
Input 2
3
0 V sensor supply
4
Input 1
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 ...