Eaton 257892 XIOC-16DI Digital Input Module

Product Type: Digital Input Module
Model: XIOC-16DI
Catalog Number: 257892
Series: XIOC / XC100-XC200
Manufacturer: Eaton

The Eaton 257892 XIOC-16DI is a 16-channel 24 V DC digital input module designed for Eaton XC100/XC200 modular PLC systems. It provides opto-isolated digital inputs for monitoring switches, sensors and other 24 V DC field signals. Eaton specifies compatibility with systems expandable by up to 15 XI/OC modules.

Technical Specifications

Parameter	Specification
Model	XIOC-16DI
Catalog Number	257892
Product Type	Digital Input Module
Number of Inputs	16
Input Type	DC Digital Input
Rated Input Voltage	24 V DC
Permitted Input Voltage	20.4–28.8 V DC
Input Current	Approx. 4 mA
Input Impedance	Approx. 5.9 kΩ
Input ON Level	≤15 V DC*
Input OFF Level	≤5 V DC*
Input Delay	≤5 ms typ.
Electrical Isolation	Opto-isolated
LED Indication	Green LED
Connection	Screw / spring-clamp terminal
Power Consumption	Approx. 51 mA
Power Loss	Max. 1.6 W
Protection Rating	IP20
Operating Temperature	0 to +55°C
Storage Temperature	-25 to +70°C
Dimensions	30 × 95 × 100 mm
Weight	Approx. 0.135 kg
Compatible System	Eaton XC100 / XC200

*The Eaton product page reports the IEC 61131-2 switching thresholds as listed above; verify the specific wiring/application requirements in the installation documentation.

Advantages & Features

16 Digital Inputs — Allows connection of multiple 24 V DC field devices.
24 V DC Operation — Compatible with common industrial control signals.
Opto-Isolated Inputs — Provides electrical separation between field signals and the internal I/O bus.
Fast Signal Response — Typical input/debounce delay of approximately 5 ms.
LED Status Indication — Makes input status easy to monitor during commissioning and troubleshooting.
Compact Design — Only 30 mm wide, saving valuable control-panel space.
Flexible Wiring — Supports screw or spring-clamp terminal connections.
Expandable Architecture — Designed for Eaton XC100/XC200 systems with up to 15 XI/OC expansion modules.