178 Rockwell Automation Publication D2-3518-4 - January 2020
Chapter 9 Parameter Descriptions
Frame 3 drives (firmware version 1.x) only:
Figure 72 - Dig In Status (216) Frame 3
On the Frame 3 drive, AC Line I/O Digital Input 1 is used for precharge
contactor feedback.
•A 1 in bit 0 indicates that all of the precharge contactors are closed.
•A 0 in bit 0 indicates that at least one of the contactors is open.
Also on the Frame 3 drive, bit 9 indicates that AC line rotation has been
determined, bit 8 indicates whether the rotation is ACB (not usable) or ABC
(usable), and bits 10...15 provide information about the internal state of the AC
line synchronization function of the AC Line I/O board. Bits 10...15 are for
engineering use only.
On the Frame 3 drive, AC Line I/O Digital Inputs 3 and 4 are used to select
measurements to be displayed on the optional input voltage and current meters,
as described in Tab le 1 3
.
Table 13 - AC Line I/O Digital Inputs 3 and 4 (Frame 3)
Dig. In 4 Dig. In 3 Selected Measurement
0 0 Iv, Vst
0 1 Iw, Vtr
1 0 Iu, Vrs
1 1 Iu, Vrs
0000xx
xx
xx
0011234567891112131415
1 =Input Active
0
00
0
0
0
0
=Input Not Active
x =Reserved
Bit #
AC Line I/O Dig. Input 1
AC Line I/O Dig. Input 2
AC Line I/O Dig. Input 3
AC Line I/O Dig. Input 4
ACB Rotation
Rotation Valid
Vab Ready
Vbc Ready
Vca Ready
Vca Edge
Nibble 1Nibble 2Nibble 3Nibble 4
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