GE Fanuc IC670MDL240 120Vac Input Module

GE Fanuc IC670MDL240 120Vac Input Module

Manufacturers: GE-General Electric

IC670MDL240 IC670MDL240JDiscrete Input Module

120 VAC Grouped Input Module

The 120VAC Grouped Input Module (IC670MDL240) provides a single group of 16 discreteinputs.

Power Sources

The module receives power from the Bus Interface Unit for its own operation.

An external 120VAC supply is needed to power the input devices. Module inputs respond to

voltage levels from 0 VAC to 132 VAC.

Module Operation

A network of resistors and capacitors establishes input thresholds and provides input filtering.

Optoisolators provide isolation between the field inputs and the module’s logic components.

Data from all 16 inputs is placed into a data buffer. The module’s circuit LEDs show thecurrent states of the 16 inputs in this data buffer.Parallel–to–seri al converters change input data from the data buffer into the serial formatneeded by the Bus Interface Unit.

After checking the Board ID and verifying that the module is receiving appropriate logic powerfrom the Bus Interface Unit (which is reflected by the state of the module’s Power LED), the BusInterface Unit then reads the filtered, converted input data.

IC670MDL240Module Specifications

Module Characteristics

Rated Voltage 120 VAC

Input Voltage Range 0–132 VAC (47–63 Hz)

User Input Current 15 mA per point @ 120 VAC

Indicators 1 LED per point shows individual point status

PWR LED indicates backplane power is present

Isolation: User input to logic,user input to frame ground,group to group: 250 VAC continuous, 1500 VAC for 1 minute. No isolation between individual points in a group.

Current Drawn from Bus Interface Unit Power Supply: 77 mA maximum

Input Characteristics: Input Impedance 8.6K typical (reactive)

On state voltage 70 VAC to 120 VAC

Off state voltage 0 VAC to 20 VAC

On state Current 5mA to 15mA

Off state Current 0mA to 2.5mA

On response time 12ms typical, 20 ms maximum

Off response time 25ms typical, 40 ms maximum