AMCI ME15 Manual - Halaman 6

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t
is the time of one interrogation.
INT
t
is the time that the Stop bit is valid, which is typically 15 – 20 µs.
M
t
is the time between the last pulse of CLK signal cycle and the first falling edge of the next CLK cycle.
IDL
t
is time between rising edge of CLK and data output valid.
DO valid
Optionally, if only absolute angular position data is needed, then SSI clock with 10 pulses could be used. Data
transmission timing is outlined in Figure 2:
When M15 SSI works as Multiplexing SSI device, all M15's Data (DO) and SSI Clock (SSI CLK) lines will be
connected together and each device will have separate Enable (ENn) line as it is outlined in Figure 3. Maximum
number of M15 SSI units connected is 32.
20 Gear Drive, Plymouth Industrial Park, Terryville, CT 06786
Tel: (860) 585-1254
Fax: (860) 584-1973
ME15 Magnetic Encoder Manual
Figure 2
Multiplexing Option
Figure 3
Web: www.amci.com
Revision 1.1
page: 6