80 Rockwell Automation Publication 440R-UM013F-EN-P - July 2021
Appendix A Specifications
Single Wire Safety (SWS) Specifications
Attribute 440R-S13R2 (CI) 440R-D22R2 (DI) 440R-D22S2 (DIS) 440R-EM4R2 (EM) 440R-EM4R2D (EMD) 440R-S12R2 (SI)
Wiring Terminal
Output - L11
Input - L12
Continuous Output Current,
Max [mA]
50
ON State Voltage Drop
(P/S to +), Max [V]
0.2
Surge Output Current, Max [mA] 700
Surge Output Current Duration,
Max [ms]
5
Load Capacitance, Max [µF] 1
Off State Leakage Current, Max
[mA]
< 0.1
Short Circuit Detection No
Short Circuit Protection Yes
Galvanic Isolation:
I/O from Logic
No
Fanout (Max number of
connections to L11)
10
Cable length between L11 and
L12 [m]
30
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