PMAC/PMAC2 V1.17C Addendum I1016 SSI Channel 1 Mode Control [New, Geo PMAC only] Range: 0 – 3 Units: none Default: 3 I1016 specifies the mode for interpreting data from the first SSI-encoder interface on a Geo PMAC. The following table lists the possible values of I1016 and the data formats they cause the Geo PMAC to expect: I1016 is only used if the Geo PMAC’s Feedback Option 2 for absolute position feedback is ordered. I1017 SSI Channel 1 Word Length Control [New, Geo PMAC only] Range: 0 – 3 Units: none Default: 3 I1017 specifies the word length in bits from the first SSI-encoder interface on a Geo PMAC.
The following table lists the possible values of I1017 and the word lengths they cause the Geo PMAC to request: I1017 is only used if the Geo PMAC’s Feedback Option 2 for absolute position feedback is ordered. 12 V1.17C Firmware Version I1016 SSI Clock Freq. 0 (Reserved) 1 (Reserved) 2 Numeric binary 3 Gray code I1017 Word Length 0 12 bits 1 16 bits 2 20 bits 3 24 bits