ABB Sentry USR22 Product Manual page 41

Safety device interface specification
Input (I) R1 and R2
Maximum operating input voltage
Minimum input high voltage (VIH
Maximum input low voltage (VIL
Typical input impedance
Maximum current sink (I
Maximum OSSD pulse length
Note 1: Voltage level above VIH
conditions.
Note 2: Voltage level below VIL
conditions.
Note 3: If VIH ≥15 VDC is applied to R1 and R2 (Isink is typical 2.8/VDCR).
Test/start/reset interface specification
Input (I) X1
Minimum input high voltage
(VIH
min
Maximum input low voltage
(VIL
max
Typical input impedance
Input/Output (I/O) X4
Output high voltage (VOH)
Output low voltage (VOL)
Minimum input high voltage (VIHmin)
Maximum input low voltage (VILmax)
Typical input impedance
Output current limit, short
circuit protection
Square wave signal frequency
for automatic reset
configuration/ manual reset
configuration
Maximum current sink (I
Note 1: Voltage level above VIH
conditions.
Note 2: Voltage level below VIL
conditions.
Response time
Delay at power on
Response time at activation
Response time at inactivation
Note 1: Additional 500 ms input acceptance delay for pressure sensitive device.
Electrical operations lifetime
Load Σ lth
2TLC010073M0201 Rev.G
Note 3
)
sink
Note 1
)
Note 2
)
)
sink
2
≤ 13
27.6 VDC
Note 1
) 9.8 VDC
min
Note 2
) 6 VDC
max
1.5 kΩ
20 mA
1.0 ms
is interpreted as logic "1", in worst case operating
min
is interpreted as logic "0", in worst case operating
max
9.8 VDC
6 VDC
800 Ω
Minimum
Maximum
Minimum
Maximum
Note 1
Note 2
Minimum
Maximum
Minimum
Maximum
is interpreted as logic "1", in worst case operating
min
is interpreted as logic "0", in worst case operating
max
Note 1
Automatic reset
Note 1
Manual reset
AC1, AC15
15.8 VDC
25.6 VDC
0 VDC
0.8 VDC
13.2 VDC
9.0 VDC
5 kΩ
64 mA
75 mA
98 Hz
102 Hz
20 mA
≤ 1.5 s
≤ 50 ms
≤ 50 ms
≤ 20 ms
30 000 operations
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