Rockwell Automation 1734-SSI POINT I/O Synchronous Serial Interface Absolute Encoder Module User Manual - Manual (Page 27)

Publication 1734-UM007D-EN-P - December 2005
Communicate with Your Module 3-5
The following table shows the Instance Services provided by the
Parameter Object (Attribute = 1).
Operating Modes The operating modes of the 1734-SSI module are essentially the
parameters you set through the RSNetWorx EDS file. This table lists
parameters you set.
Parameter Services Field Bytes
1 Get Present SSI Word 4
2 Latched SSI Word 4
3 SSI Status Word 2
4 Get/Set Run 1
5 Gray/Binary 1
6 SSI Word Length 1
7 Data Rate 1
8 Gray to Binary Conversion 1
9 SSI Word Delay Time 2
10 Standardization 1
11 Trailing Bits 1
12 Latch Input Control 1
13 Sensor Resolution 2
14 Sensor Cycles 2
15 Comp 1 Control 1
16 Comparator 1 Value 4
17 Comp 2 Control 1
18 Comparator 2 Value 4
19
SSI Word Filter Control
(1)
(1) This parameter is present in firmware version 4.001 and later.
1
Parameter
Value
(1) Notes
Run Enable/Disable Turns SSI data clock on or
off
Data Type Binary or Gray SSI sensor’s data type
Data Word Length 2…31 (13) Length of the received serial
data word can be any size
between 2 and 31 data bits.
Bit 32 is used for Latch Input
detection.
Data Rate 125/250/500K baud,
1/2M baud Speed of SSI data clock