4 Technical specifications
Power Supply
The power supply to the complete unit is taken from the AS-Interface loop. The unit is reverse polarity protected.
Supply voltage: ......................29.5 - 31.6 VDC
Typical power consumption ThinkTop Basic AS-Interface
Test condition
s = One ThinkTop Basic AS-Interface connected with 1 feedback active (on) and:
No solenoids on
Supply voltage 24 VDC
30 mA
1 solenoid active
Supply voltage 24 VDC
75 mA
2 solenoids active
Supply voltage 24 VDC
120 mA
3 solenoids active
Supply voltage 24 VDC
165 mA
The fulfilling of the UL requirements in UL508 requires that the unit is supplied by an isolating source complying with the
requirement
s for class 2 power units (UL1310) or class 2 and 3 transformers (UL1585).
Technical specifications sensor system
Sensor accuracy: ...................± 0.1 mm.
Tolerance band: .....................± 5 mm.
Distance to indication pin: ..........5 ± 3 mm.
Stroke length: .......................0.1 - 80 mm.
Electrical connection: ...............Direct cable gland entry
PG11(ø4-ø10mm).
Slave profile v.3.0
Default slave address: 0
IO code: 7 (4 bit bi-directional)
ID code: A
ID1 code: 7
ID2 code: 7
Slave profile = 7.A.7.7
No. of slaves:
AS-Interface specification 3.0 for max. 62 ThinkTop Basic AS-Interface units on a single master/gateway
AS-Interface bits assignment:
For the AS-Interface version with 62 nodes, the following bit assignment will be used:
DI 0 ..................................Feedback # 1 De-Energized Position (closed position)
DI 1 ..................................Feedback # 2 Energized Position (open position)
DI 2 ..................................Feedback # 3 Not connected
DI 3 ..................................Feedback # 4 Status
DO 0 .................................Not connected
DO 1 .................................Solenoid valve 1
DO 2 .................................Solenoid valve 2
DO 3 .................................Solenoid valve 3
Status signal (Feedback # 4) input bit 3
The status signal is used for two purposes:
- To indicate that the setup is ongoing (LED B).
- To indicate an error condition (LED B). (Flashing LED = software error), (steady LED = hardware error).
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