AccuWeb EVO 150, Instruction Manual

Page: 116 / 137

Fieldbus Interface 114
•
The Guide Point Offset columns in Table 1 on the previous page indicate the minimum and
maximum values that can be sent to the controller to move the guide point.
•
When in SuperCenter-line mode the Guide Point Offset values, to be written, increase by
32768 [8000h].
•
The Web Position columns in Table 1 on the previous page indicate the minimum and
maximum values that can be received from the sensor. There are two (2) web position values
transmitted – Edge A and Edge B. To calculate a web width, subtract each position value
from 16384 [4000h], then add the resulting values to the physical distance between the
sensors. The distance between sensors should be measured from the center of sensor A’s
sensing area to the center of sensor B’s sensing area.
•
PointSource edge detectors have one scribe mark to indicate the center of their sensing
areas. WideArray detectors have two scribe marks to indicate the boundaries of their sensing
areas, and the center of their sensing areas is the point exactly half-way between the two
scribe marks.
Table 2: End-of-Travel Limits and Position Scale Factor
Actuator Model
Number
Range
inches [mm]
In Limit
decimal [hex]
Servo Center
decimal [hex]
Out Limit
decimal [hex]
Scale
10
-3
inch / count
[10
-3
mm / count]
MT-1 2.00 [50.8]
≥
573 [23D]
2048 [800]
≤
3523 [DC3]
0.6782 [17.225]
MT-2, SF-2 4.00 [101.6] ≥
573 [23D]
2048 [800] ≤
3523 [DC3]
1.3563 [34.451]
MT-4, SF-4 8.00 [203.2]
≥
573 [23D] 2048 [800]
≤
3523 [DC3] 2.7127 [68.902]
MT-6, SF-6 12.00 [304.8]
≥
573 [23D] 2048 [800]
≤
3523 [DC3] 4.0690 [103.353]
HL-3, HF-3 6.00 [152.4]
≥
819 [333]
2048 [800]
≤
3277 [CCD]
2.4414 [62.012]
HL-6, HF-6 12.00 [304.8]
≥
819 [333] 2048 [800]
≤
3277 [CCD] 4.8828 [124.023]
•
The In Limit, Out Limit, and Servo Center values can be converted to inches or millimeters by
multiplying by the Scale value.
Guide Point Offset
Min Value
Guide Point Offset
Max Value
Midpoint Value
16384 [4000h]