YASKAWA VIPA FM 050-1BS00 Manual page 50

Deployment
Parameter data
MODE SSI mode
Operating mode
Shift direction
Edge clock signal
Code
SSI_EN SSI function
50
Byte Bit 7 ... 0
0 n Bit 1 ... 0: Operating mode
n Bit 2: Shift direction
n Bit 3: Edge clock signal
n Bit 4: Code
n Bit 7 ... 5: 0 (fix)
In the "listening mode" the module serves for listening the data exchange between SSI
master and SSI encoder. Here the module receives the clock signal of the master and the
data stream of the SSI encoder. With the operating mode "master mode" the module gen-
erates a clock signal for the encoder and receives his data stream.
Range of values:
01b = Listening mode
10b = Master mode
Please enter here the direction of the encoder data. These data may be found in the data
sheet of your encoder. Normally the SSI encoder uses MSB first.
Range of values:
0 = LSB first (least significant bit is first transferred)
1 = MSB first (most significant bit is first transferred)
Here may be indicated with which edge type of the clock signal the encoder reacts to
send data. These data may be found in the data sheet of your encoder. Normally the SSI
encoder reacts with a rising edge of the clock signal.
Range of values:
0 = edge 1-0
1 = edge 0-1
With "binary code" the received encoder value is not influenced. With "gray code" the
received gray-coded value of the encoder is converted to a binary value. The gray code is
a different form of binary code. The principle of the gray code is that two neighboring gray
numbers will differ in exactly one single bit. When the gray code is used, transmission
errors may be detected easily as neighboring characters may only be different in a single
location. These data may be found in the data sheet of your encoder.
Range of values:
0 = binary code
1 = gray code
By enabling the SSI function the module starts with sending the clock signal and with
evaluating the encoder values. In the operating mode "listening mode" the module starts
with evaluating the encoder values.
Range of values:
0 = disabled
1 = enabled
VIPA System SLIO
HB300 | FM | 050-1BS00 | en | 20-40