Data Value Unit
Number of test pulse channels per module (transistor test pulse
outputs)
8
Terminals of the channels T0 to T3 1.0, 1.2, 1.4, 1.6
Terminals of the channels T4 to T7 3.0, 3.2, 3.4, 3.6
Terminals of reference potential for all test pulse outputs (minus
pole of the process supply voltage, signal name ZP)
1.9 … 4.9
Terminals of common power supply voltage for all outputs (plus
pole of the process supply voltage, signal name UP)
1.8 … 4.8
Output voltage for signal 1 UP – 0.8 V
Length of test pulse 0 phase 1 ms
Output current
Data Value Unit
Rated value, per channel 10 mA
Maximum value (all channels together) 80 mA
Short-circuit proof / overload proof yes
Output current limitation 65 mA
Resistance to feedback against 24V signals yes
Cable length
Data Value Unit
Max. cable length, shielded 1000 m
Max. cable length, unshielded 600 m
3.3.10 Ordering data
Type Description Order code
DI581-S DI581-S:S500, Safety Digital Input
Module 16SDI
1SAP 284 000 R0001
DI581-S-XC DI581-S-XC:S500, Safety Digital Input
Module 16SDI, Extreme Conditions
1SAP 484 000 R0001
AC500-S Safety Modules
DI581-S digital safety input module > Ordering data
30.03.2017 AC500-S 105
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