Dimensional Drawings; Application Examples - Sick Ue23-3Mf Betriebsanleitung

11 Internal circuitry
Only 230 V modules
Fig. 1: Internal circuit UE23 3MF

12 Application examples

Fig. 2: Basic circuit UE23 3MF: Voltage supply, dual-channel output circuit
Fig. 3: Example of single-channel guard protection with automatic reset and external device
monitoring
Fig. 4: Example of a single-channel emergency stop pushbutton with monitored reset and external device
monitoring
Fig. 5: Dual-channel connection of positively guided contacts to achieve category 3 as per EN ISO 13 849
a)
b)
Fig. 6: Max. cable length for the input circuit with alternating current (AC)
Cable
specifications
2
Cross-section 1.5 mm
Capacitance 150 nF/km
Resistance 28 V/km
Temperature +25 °C
a) Ring cable: AC cable not laid in parallel, max. length l = 1 km
r
b) Stub: Max. length of the stub l and max. cable capacitance C
s
V 115 V AC 230 V AC
S
C 37.5 nF 7.5 nF
L
l 250 m 50 m
s

13 Dimensional drawings

Fig. 7: Dimensional drawing of the housing with screw type terminals (mm)
Fig. 8: Dimensional drawing of the housing with plug-in terminals (mm)
as a function of the supply voltage V
L S