Allen-Bradley PowerFlex 700AFE

84 Rockwell Automation Publication 750-RM003A-EN-P - April 2018
Chapter 3 Communication Configuration
Datalink Handling Comparison
Datalink examples using a Logix controller with Logix V16 and later firmware.
Sample numerical data is interpreted as shown in Table 41
.
Table 41 - Datalink Handling Comparison
Example Data Comm Option Datalink; Parameter Information Parameter Value in PowerFlex Tag Value in Logix
(1) (2)
Total Input AC
Amps
PowerFlex 700AFE Bus Supply;
20-COMM-E/ER
Input Datalink A1; P3 [Total Current], Input Datalink
A2; P3 [Total Current],
Type ‘DINT’, units ‘Amps’
Internal value;
=12893
P3 displayed as;
12893/10 = 1289.3
12893
PowerFlex 755TM Bus Supply;
Embedded Ethernet
Input Datalink 01; 13:6 [AC Line Current],
Type ‘DINT’, units ‘Amps’
458.9 458.9
Motoring Power
Limit
PowerFlex 700AFE Bus Supply;
20-COMM-E/ER
Output Datalink A1; P75 [Motor Power Lmt]
Type ‘INT’, units ‘%’
Internal value;
=2257
P75 displayed as;
2257/10 = 225.7
2257
PowerFlex 755TM Bus Supply;
Embedded Ethernet
Output Datalink 01; 13:105 [Motor Power Lmt],
Type ‘DINT’, units ‘%’
75.6 75.6
Regen Power Limit PowerFlex 700AFE Bus Supply;
20-COMM-E/ER
Output Datalink A2; P76 [Regen Power Lmt],
Type ‘INT’, units ‘%’
Internal value;
=1100
P76 displayed as;
1100/10 = 110.0
1100
PowerFlex 755TM Bus Supply;
Embedded Ethernet
Output Datalink 02; 13:104 [Regen Power Lmt],
Type ‘DINT’, units ‘%’
110.0 110.0
Network Bus
Voltage Reference
PowerFlex 700AFE Bus Supply;
20-COMM-E/ER
Predefined Output Datalink; DPI Port 5, ‘Reference’,
Type ‘INT’
—6000
PowerFlex 755TM Bus Supply;
Embedded Ethernet
Predefined Output Datalink; ‘Reference’,
Type ‘REAL’
—600.0
Bus Voltage
Reference
PowerFlex 700AFE Bus Supply;
20-COMM-E/ER
Input Datalink B1; P61 [DC Volt Ref],
Type ‘INT’, units ‘VDC’
Internal value;
= 6000
P61 displayed as;
6000/10 = 600.0
6000
PowerFlex 755TM Bus Supply;
Embedded Ethernet
Input Datalink 02; 13: P48 [DC BusRef Preset],
Type ‘REAL’, units ‘VDC’
600.0 600.0
Network Bus
Voltage Feedback
PowerFlex 700AFE Bus Supply;
20-COMM-E/ER
Predefined Input Datalink; DPI Port 5, ‘Feedback’,
Type ‘INT’
—5667
PowerFlex 755TM Bus Supply;
Embedded Ethernet
Predefined Input Datalink; ‘Feedback’,
Type ‘REAL’
—566.7
Bus Voltage
Feedback
PowerFlex 700AFE Bus Supply;
20-COMM-E/ER
Input Datalink B2; P11 [DC Bus Volt],
Type ‘INT’, units ‘VDC’
Internal value;
= 5667
P11 displayed as;
5667/10 = 566.7
5667
PowerFlex 755TM Bus Supply;
Embedded Ethernet
Input DataLink 03; 0: P3 [DC Bus Volts],
Type ‘REAL’, units ‘VDC’
566.7 566.7
(1) When using Logix V16 and later, Datalink scaling is automatically applied.
(2) When using Logix V15 and earlier, Datalink bit-scaling may need to be done in application programs. See16-bit Processors (PLC-5, SLC 500, and MicroLogix 1100/1400)
on page 85.