GE IC694MDL241-2 GE IC694MDL241-1 GE IC694MDL241-4 GE IC694MDL241-3

The GE IC694MDL241 is a versatile and rugged 16-point discrete input module engineered for GE Fanuc PACSystems RX3i and compatible Series 90-30 PLC systems. It supports both 24 VAC and 24 VDC field signals, offering flexible interfacing to a broad range of sensors, pushbuttons, and switches. With optical isolation, selectable positive/negative logic, and LED status indication on each channel, this module delivers reliable signal acquisition and clear diagnostics for demanding industrial automation environments.

Technical Specifications

Specification	Details
Module Type	16-Point Discrete Input Module
Compatible PLC Series	GE Fanuc PACSystems RX3i & Series 90-30
Number of Inputs	16 (single group with common terminal)
Input Voltage	24 VAC or 24 VDC nominal
Input Voltage Range	0 – 30 V AC/DC
Input Current (typ.)	~7 mA @ rated voltage
Input On-State Voltage	11.5–30 V AC/DC
Input Off-State Voltage	0–4 V AC/DC
Response Time	~12 ms On / ~28 ms Off
Isolation	Optical: 250 VAC continuous (field-to-backplane); 1500 VAC (field-to-frame)
Logic Type	Positive/Negative (via wiring)
Status Indicators	16 Green LEDs (one per input)
Power Consumption	80 mA @ +5 VDC; 125 mA @ +24 VDC user supply
Operating Temp.	0 °C to +60 °C
Mounting	Standard PLC I/O rack/backplane slot
Dimensions (L×W×H)	127 × 32 × 102 mm
Weight	~0.24 kg

This module accepts field inputs that range from low-voltage DC to AC signals, enabling support for a wide variety of devices without the need for separate AC and DC modules.

Recommended Related Modules

GE IC694CPU331 – Core RX3i PLC CPU Module
GE IC694PWR330 – High-Capacity Power Supply Module
GE IC693MDL752 – 16-Point Digital Input Module (standard)
GE IC693DSM314 – High-Density Discrete Output Module

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GE IC694BEM331 – Genius Bus Controller Module

Applications

The IC694MDL241 module is widely used in industrial automation for reliable AC/DC signal monitoring and integration into PLC logic, including:

Monitoring pushbuttons, limit switches, proximity sensors, and other field devices
Capturing status signals in conveyor systems or automated processing lines
Signal acquisition for safety interlocks and alarm logic
Distributed I/O racks in manufacturing cells or process control systems
Upgrading legacy systems with flexible AC/DC input support

Its flexibility to accept both AC and DC logic signals reduces the number of distinct modules needed in mixed-signal environments.

Advantages

Dual AC/DC compatibility simplifies field integration across diverse signal types.

16 isolated input channels improve noise immunity and signal reliability.

Selectable positive/negative logic via wiring provides versatile configuration.

Individual LED indicators allow quick visual status checks per input.

Optical isolation protects backplane logic from field transients.

Standard rack form factor ensures seamless compatibility with PACSystems and Series 90-30 PLC racks.

These features make the IC694MDL241 an excellent choice for general-purpose discrete input acquisition in industrial PLC systems.

Technical FAQs

What types of signals can this module read?
It supports both 24 VAC and 24 VDC input signals within a 0–30 V range.
How many discrete inputs are available?
It provides 16 input channels in a single group.
Does it support AC and DC simultaneously?
Yes — the module can interface with either AC or DC inputs; DC inputs can be configured for positive/negative logic.
How are input statuses indicated?
Each input has a green LED indicating ON/OFF state.
What is the typical response time?
Approximately 12 ms for ON and 28 ms for OFF transitions.
Is channel-to-logic isolation provided?
Yes — optical isolation protects the backplane and chassis ground.
Where can this module be installed?
In any standard I/O slot of a PACSystems RX3i or Series 90-30 rack.
What power is required?
It draws logic power from the PLC backplane and a separate 24 V supply for field logic.
Is this module suitable for noisy industrial environments?
Yes — optical isolation and robust design improve noise immunity.
Can it be used in retrofits?
Its versatility with AC/DC signals makes it ideal for both new installations and legacy system upgrades.