SI-Safety Installation & Operating Manual
43
Issue Number: 1
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Devi
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safety
Inst
SI-Safety module
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SI-Safety
En
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Enc
oder
Am
endment
Index
4.9
Incremental sensor:
Physical layer:
RS-422 compatible
Measuring signal A/B:
Track with 90
°
phase difference
Maximum frequency of the input cycles: see Table 2-2
Table 4-6 Diagnosis: Incremental encoder
4.9.1
Sine-cosine sensor standard mode
Physical layer:
±
0.5 Vss (without voltage offset)
Measuring signal A/B:
Track with 90
°
phase difference
Maximum frequency of the input cycles, see Table 2-2
Table 4-7 Diagnosis: Sine - cosine encoder
4.9.2
Proxi switch
Signal level:24 V / 0 V
Maximum count impulse frequency see Table 2-2
Switch logic de-bounced
Table 4-8 Diagnosis: Proxi switch
Diagnosis
Parameter(s)
Fault threshold
Monitoring of power supply
Fixed values
5 V, 8 V, 10 V, 20 V, 24 V
±
20 %
(measuring tolerance)
Monitoring of differential
level at input
Fixed value of RS 485
level
±
20 %
(measuring tolerance)
Monitoring of the count
signal separately for each
track A/B
Fixed value
DP > four increments
Diagnosis
Parameter(s)
Fault threshold
Monitoring of power
supply
Fixed values
5 V, 8 V, 10 V, 20 V, 24 V
±
20 %
(measuring tolerance)
Amplitude monitoring
SIN²+COS²
Fixed value 1V
SS
65 % of 1 V
SS
±
2.5 %
(measuring tolerance)
Monitoring of phase A/B
Fixed value 90
°
±
30
°
measuring tolerance)
Diagnosis
Parameter(s)
Fault threshold
Monitoring of power supply
Fixed values
5 V, 8 V, 10 V, 20 V, 24 V
±
20 %
(measuring tolerance)
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