Figure 6.
"Up/Down" counting mode.
(T
MIN
at least 25 ns long when filter is disabled, resp. 310 ns when enabled)
(the encoder detects both "up/down" signals at level L and signals as an error)
Figure 7.
"Count/Dir" counting mode.
(T
MIN
at least 25 ns long when filter is disabled, resp. 310 ns when enabled)
Figure 8.
"Count/Gate" counting mode.
(T
MIN
at least 25 ns long when filter is disabled, resp. 310 ns when enabled)
PCA-8428, PCA-8429, PCA-8438, PCA-8439
User guide - Appendix, Tables and Figures
rev. 12.2015
II - 6
IRCCNTx_A = "up"
IRCCNTx_B = "down"
10
11
12
13
14
13
12
11
10
9
8
7
T
MIN
T
MIN
T
MIN
T
MIN
T
MIN
counter value
10
11
12
13
14
13
12
11
10
9
8
7
T
MIN
T
MIN
T
MIN
T
MIN
IRCCNTx_A = "count"
IRCCNTx_B = "dir"
counter value
10
11
12
13
14
T
MIN
T
MIN
T
MIN
T
MIN
IRCCNTx_A = "count"
IRCCNTx_B = "gate"
counter value
Summary of Contents for PCA-8428
Page 1: ...Multifunctional DAQ PCIe card PCA 8428 8429 8438 8439 User Guide ...
Page 22: ... PCA 8428 PCA 8429 PCA 8438 PCA 8439 User Guide Notes ...
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