Siemens 6ES5458-4UC11 S5 Output | 16 Channels 24V 1.0A

Robust Output Control for Demanding Applications

The 6ES5458-4UC11 operates as a digital output module for the Siemens SIMATIC S5 programmable controller series. This unit provides 16 isolated output channels for controlling field devices. Each channel delivers a 24 VDC signal with short-circuit protection. The module switches loads like relays, solenoid valves, and indicator lamps. Consequently, it ensures reliable operation in demanding industrial environments.

Technical Specifications

Parameter	Specification
Manufacturer	Siemens
Series	SIMATIC S5
Category	Digital Output Module
Part Number	6ES5458-4UC11
Number of Outputs	16 (isolated)
Output Voltage	24 VDC (nominal)
Output Current	1.0 A per channel (maximum)
Total Output Current	8 A (per module)
Short-Circuit Protection	Yes (electronic, per channel)
Output Delay	0.5 ms (typical)
Isolation Voltage	500 VAC (channel-to-backplane)
Power Supply	5 VDC (backplane) + 24 VDC (external)
Power Consumption	250 mA (5 VDC), 150 mA (24 VDC)
Operating Temperature	0°C to +60°C
Storage Temperature	-40°C to +85°C
Dimensions	Standard S5 single-width
Weight	0.45 kg
Status Indicators	16 LEDs (output status), 1 LED (fault)
Terminal Type	Screw terminal (removable)

Output Protection and Diagnostics

The 6ES5458-4UC11 provides individual short-circuit and overload protection on each channel. An auto-reset function restores output operation after fault removal automatically. The module also monitors the external 24 VDC supply voltage continuously. A group diagnostics LED indicates any supply or module fault condition. Additionally, per-channel LEDs provide clear visual confirmation of output status. These diagnostic features simplify troubleshooting and reduce downtime significantly.

Application and Integration

This output module finds common use in conveyor systems and packaging machinery. It directly connects to relay coils, solenoid valves, and indicator lamps. The module supports both resistive and inductive loads within specified limits. The 6ES5458-4UC11 interfaces seamlessly with the S5 backplane and supports hot-swapping for maintenance without system shutdown.