Rockwell Automation 1395 Multi-Comm Hardware/Software - Manual (Page 22)

Chapter 3
Configuration & Interfacing
3–11
Add Block
General Description – The Add block (Figure 3–7) sums up to three
external values (parameters 508, 510, 512) and one offset value (parameter
514) to obtain a result. Each external input has a scale factor (parameters
509, 511, 513) that is independently programmable. The output (Par 318)
can be linked to other Drive parameters or used by other MCA function
blocks. The Overflow Control parameter (parameter 517) determines the
fault type and action taken when an overflow condition occurs.
Figure 3-7. Add Block
Offset
514
Add Block
Function Block
Overflow
517
318
Add
Output
R
1
+ R
2
+ R
3
+ C
4
R
1
0,1,8,9
R
2
R
3
C
4
Input #1
508
Input #1 Gain
509
Input #2
510
Input #2 Gain
511
Input #3
512
Input #3 Gain
513
Bits
Par Num Description
318
508
509
510
511
512
513
514
517
Table 3-H.
Parameter Listing for Add Block
Output
Setup
Setup
Setup
Setup
Setup
Setup
Setup
Setup
Par Type
Add Block Output
Input #1
Input #1 Gain
Input #2
Input #2 Gain
Input #3
Input #3 Gain
Input Offset
Overflow Control Parameter