Emerson CL6721X1-A4 41B5215X132 Discrete I/O Card
The Emerson CL6721X1-A4 (part number 41B5215X132) is a discrete input/output card built for digital signal acquisition and control within Emerson control system architectures. It combines input and output capabilities in a single unit, providing 4 discrete I/O channels to interface with field devices such as limit switches, relays, and solenoids.
Electrical Characteristics and System Integration
The module operates with a 24 VDC input signal voltage while drawing power at 12 VDC from the local system bus. Its dual input/output design allows engineers to process discrete field status signals and send digital control commands through a single card, optimizing rack slot density and cabinet wiring.
Environmental and Physical Specifications
Designed for standard cabinet deployment, the card is rated for operation across ambient temperatures from -20 deg C to +60 deg C and carries CE certification. The unit measures 27.9 cm x 5.1 cm x 25.4 cm, facilitating installation in standard system I/O racks and chassis.
| Parameter | Specification |
|---|---|
| Model | CL6721X1-A4 |
| Brand | Emerson |
| Type | Discrete Input/Output Card |
| Part Number | 41B5215X132 |
| Channel Count | 4 discrete channels |
| Input Signal Voltage | 24 VDC |
| Local Bus Voltage | 12 VDC |
| Operating Temperature | -20 deg C to +60 deg C |
| Certifications | CE |
| Dimensions | 27.9 cm x 5.1 cm x 25.4 cm |
Frequently Asked Questions
Q: What power supplies does the CL6721X1-A4 card require for operation? A: The card uses a 24 VDC power level for field input signals and draws 12 VDC directly from the local system bus.
Q: How many channels does the CL6721X1-A4 module provide? A: It features 4 discrete input/output channels on a single module.
Q: What field equipment can be connected to this discrete I/O card? A: It connects to digital field instruments including switches, sensors, relays, and solenoid valves.
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