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6-6
CompactLogix Ladder Example Program
Figure 6.3 CompactLogix Ladder Logic Channel 1 Subroutine (Continued)
Datalink A
Datalink A
PowerFlex 70 Parameter 300 [Data In A1] = "140", which points to Parameter 140 [Accel Time 1]
PowerFlex 70 Parameter 300 [Data In A1] = "140", which points to Parameter 140 [Accel Time 1]
Ch1_Datalink_A_In[0] contains the Accel Time 1 value in seconds, where a "100" equates to 10.0 seconds.
Ch1_Datalink_A_In[0] contains the Accel Time 1 value in seconds, where a "100" equates to 10.0 seconds.
PowerFlex 70 Parameter 301 [Data In A2] = "142", which points to Parameter 140 [Decel Time 1]
PowerFlex 70 Parameter 301 [Data In A2] = "142", which points to Parameter 140 [Decel Time 1]
Ch1_Datalink_A_In[2] contains the Decel Time 1 value in seconds, where a "100" equates to 10.0 seconds.
Ch1_Datalink_A_In[2] contains the Decel Time 1 value in seconds, where a "100" equates to 10.0 seconds.
The respective Ch1_Datalink_A_Out's point to the same parameters so the values can also be read. Note
The respective Ch1_Datalink_A_Out's point to the same parameters so the values can also be read. Note
these do not have to be equal and are done in the example program for demonstration purposes only
these do not have to be equal and are done in the example program for demonstration purposes only
(so changes can be viewed).
(so changes can be viewed).
The format is:
The format is:
word [0] = Datalink A1 (low)
word [0] = Datalink A1 (low)
word (1] = Datalink A1 (high) high word for 32-bit Datalinks
word (1] = Datalink A1 (high) high word for 32-bit Datalinks
word [2] = Datalink A2 (low)
word [2] = Datalink A2 (low)
word (3] = Datalink A2 (high) high word for 32-bit Datalinks
word (3] = Datalink A2 (high) high word for 32-bit Datalinks
11
Datalink B
Datalink B
PowerFlex 70 Parameter 302 [Data In B1] = "100", which points to Parameter 100 [Jog Speed]
PowerFlex 70 Parameter 302 [Data In B1] = "100", which points to Parameter 100 [Jog Speed]
Ch1_Datalink_B_In[0] contains the Jog Speed value in hertz, where a "50" equate to 5.0 Hz.
Ch1_Datalink_B_In[0] contains the Jog Speed value in hertz, where a "50" equate to 5.0 Hz.
PowerFlex 70 Parameter 303 [Data In B2] = "155", which points to Parameter 155 [Stop Mode A]
PowerFlex 70 Parameter 303 [Data In B2] = "155", which points to Parameter 155 [Stop Mode A]
Ch1_Datalink_B_In[2] contains the Stop Mode A value, where a "1" equates to a "Ramp" deceleration, etc.
Ch1_Datalink_B_In[2] contains the Stop Mode A value, where a "1" equates to a "Ramp" deceleration, etc.
The respective Ch1_Datalink_B_Out's point to the same parameters so the values can also be read. Note
The respective Ch1_Datalink_B_Out's point to the same parameters so the values can also be read. Note
these do not have to be equal and are done in the example program for demonstration purposes only
these do not have to be equal and are done in the example program for demonstration purposes only
(so changes can be viewed).
(so changes can be viewed).
The format is:
The format is:
word [0] = Datalink B1 (low)
word [0] = Datalink B1 (low)
word (1] = Datalink B1 (high) high word for 32-bit Datalinks
word (1] = Datalink B1 (high) high word for 32-bit Datalinks
word [2] = Datalink B2 (low)
word [2] = Datalink B2 (low)
word (3] = Datalink B2 (high) high word for 32-bit Datalinks
word (3] = Datalink B2 (high) high word for 32-bit Datalinks
12
value for 16-bit Datalinks, low word for 32-bit Datalinks
value for 16-bit Datalinks, low word for 32-bit Datalinks
value for 16-bit Datalinks, low word for 32-bit Datalinks
value for 16-bit Datalinks, low word for 32-bit Datalinks
value for 16-bit Datalinks, low word for 32-bit Datalinks
value for 16-bit Datalinks, low word for 32-bit Datalinks
value for 16-bit Datalinks, low word for 32-bit Datalinks
value for 16-bit Datalinks, low word for 32-bit Datalinks
COP
Copy File
Source Ch1_Datalink_A_In[0]
Dest
Local:1:O.Data[12]
Length
4
Channel 1
Datalink A1 Out
(Low)
COP
Copy File
Source
Local:1:I.Data[12]
Dest Ch1_Datalink_A_Out[0]
Length
4
COP
Copy File
Source Ch1_Datalink_B_In[0]
Dest
Local:1:O.Data[24]
Length
Channel 1
Datalink B1 Out
(Low)
COP
Copy File
Source
Local:1:I.Data[24]
Dest Ch1_Datalink_B_Out[0]
Length
4
4
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