Rockwell-automation 1769-HSC Compact High Speed Counter Module Manual de usuario Pagina 72

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72 Rockwell Automation Publication 1769-UM006E-EN-P - July 2013
Chapter 4 Module Configuration, Output, and Input Data
General Configuration Bits
These configuration bits apply to the 1769-HSC/B module and the CMX 5370
L2 packaged controller embedded HSC.
OCLO - Overcurrent Latch Off (OverCurrentLatchOff)
When set, this bit causes the module to make any overcurrent activity latch the
corresponding output off, simulating a physical fuse. When OCLO = 0, it
automatically resets. The rising edge of RBF resets the output.
36 Ctr3MaxCount Counter 3 Maximum
Count
37
38 Ctr3MinCount Counter 3 Minimum
Count
39
40 Ctr3Preset Counter 3 Preset
41
42
Not used Not used
43 Not used Not used
44 Not used Not used
45
Not used Lin-
ear
Not used Counter 3
Configuration Flags
Table 13 - Configuration Array - L23E Packaged Controller Embedded HSC (Continued)
Word
Bit
Function
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Configuration Array Word 0 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
General Configuration Bits Individual Counter
Reset Disable
(1)
Number of counters Not used PFE Not used Ctr
Reset
OCL
O
(1) For the 1769-HSC/B module only. Bit 12 is Counter 0 reset disable; Bit 13, Counter 1 reset disable; Bit 14, Counter 2 reset disable; Bit 15, Counter 3 reset disable.
Counter reset function = 0: reset enable (default), 1: reset disable. The 1769-HSC/A module does not use bits 12…15 in the configuration array. See page 73
for details.
IMPORTANT
Do not set this bit while a counter or range is enabled (Ctr0En, Ctr1En,
Ctr2En, Ctr3En, or RangeEn set to 1). Attempting to do so will result in a
BadModConfigUpdate error.
See page 120 for a list of prohibited settings.
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