Baumer Hübner
Electrical installation
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6
V1, T1 | HMG10 & HMG10P SSI
Operating Manual
27
6.2
SSI interface
6.2.1
Data transfer
msb → lsb msb → lsb
Clock
Data
n-1...0 bit
m-1...0 bit
Position
Speed
t
Clock frequency
100 kHz...2 MHz
Monoflop time (t)
20 μs (intern)
n, m
Total of bits
INFO
No ring register operation present during ongoing triggering, i.e. the SSI word is sent only once.
Further clock being present will transmit zeroes only.
6.2.2
"RESET" function
The function "RESET" (RESET input) will reset the SSI signal position value to 0 (default, other
values on request).
4-30 V DC must be applied at the RESET input for more than 100 ms to reset the current posi-
tion to 0 (default).
INFO
The RESET input has no influence on the incremental signals.
The RESET input has no influence on the speed switch.
INFO
4...30 V DC applied at the RESET input during initialization after power on will only start the de-
lay time of 100 ms after initialization has been finalized.
6.2.3
Function Direction of rotation
The "Direction of rotation" function (DIR input) will revert the direction of rotation of the SSI sig-
nal.
A voltage of 4-30 V DC must be applied to the DIR input for more than 100 ms to reverse the
current direction of rotation of the SSI signal. For the duration of the applied voltage of 4-30 V
DC, the direction of rotation of the SSI signal is then reversed.
INFO
The DIR input has no influence on the incremental signals.
The DIR input has no influence on the speed switch.