Product specifications
Appendix A Hardware Units SM811 and TP868
3BSE036351-510 A 281
Weight 700 g (1.5 lb) (package SM811K01 with
SM811 and TP868).
Dimensions W 59 x H 185 x D 127.5 mm
(W 2.9 x H 7.3 x D 5.0 in)
Table 74. SM811 - Digital Input Specifications
Item Value
Electric isolation Yes
Overvoltage category II
Rated insulation voltage 50 V
Insulation test voltage 500 V a.c. 1 min
Nominal voltage 24 V
Voltage limits
(U
L
= logic 0, U
H
= logic 1)
- 30 V < U
L
< 5 V
15 V < U
H
< 30 V
Nominal current 12 mA
Current limits - 22 mA < I
L
< 2 mA
6 mA < I
H
< 18 mA
Input impedance 1.8 kOhm
Table 73. SM811 Specifications (Continued)
Item Value