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12/13/2018 TR - ECE - BA - DGB - 0070 - 17 Page 103 of 108
9.2.2 Master system
Total resolution ................................
≤
Number of steps / revolution
≤ 8192
Number of revolutions
..........................
≤ 4096
Functional accuracy ..............................
8192 steps, Single-Turn
Double magnetic scanning
256 steps, Single-Turn
Accuracy, safety-related applicable
Optical/magnetic scanning
256 steps, Single-Turn
Double magnetic scanning
128 steps, Single-Turn
SSI interface ...........................................
Clock± and Data±, twisted in pairs and shielded
Protocol ................................
TR specific with function information and CRC
Min. Hamming distance
4
Clock input ................................
Optocoupler
Clock frequency
.............................
≤ 1 MHz
Output code ................................
Binary
Data output ................................
RS422 (2-wire) according to the EIA standard
Output format
................................
MSB left-justified
Mono time t
M
................................
25 µs ≤ t
≤ 35 µs, typically 30 µs
Incremental interface ............................
Signals twisted in pairs and shielded
Availability ................................
optical/magnetic scanning system only
Pulses / revolution
.........................
1024, 2048, 3072, 4096, 5120 or
4096, 8192, 12288, 16384, 20480, via factory setting
A, /A, B, /B ................................
RS422 (2-wire) according to EIA standard
Output frequency
...........................
≤ 500 KHz
SIN/COS interface, alternative ..............
Signals twisted in pairs and shielded
Availability ................................
optical/magnetic scanning system only
Number of periods
.........................
4096 / revolution
SIN+, SIN–, COS+, COS–
1 Vss at 100 Ω, differential
Short-circuit proof
..........................
yes
Cycle time ................................
≥ 500 µs
Counting direction .................................
adjustable by means of hardware switch
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