KL6201-0000 Beckhoff
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The Beckhoff KL6201-0000 is part of the KL Analog Input Modules series and features a single AS-i channel with an M3 master profile. It supports diagnostics for power failure, slave failure, and parameterization fault, and can handle up to 62 slaves in V2.1. The module is housed in a compact polycarbonate terminal and mounts on a 35 mm DIN rail.
Internal Product Review
The KL6201-0000 is a Beckhoff AS-i master terminal module with an M3 master profile and spring-force 2-line connection. Support for 31 slaves in V2.0 or 62 slaves in V2.1, along with compatibility with digital and analog slave types, makes the module especially capable in distributed I/O architectures. Diagnostics for power failure, slave failure, and parameterization fault paired with IP20 protection make the unit a dependable choice for controlled cabinet installations.
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Product Description:
The KL6201-0000 is a Beckhoff Bus Terminal that links a single AS-Interface network to the K-bus of a Beckhoff I/O station. It allows field sensors and actuators on the AS-i network to appear in the controller’s process image for centralized monitoring and control. Within industrial automation, the terminal transfers AS-i data into a byte-oriented format so the PLC can read device states and send commands to distributed field devices. This arrangement lets the terminal bridge decentralized AS-i nodes to a modular I/O station without a separate interface module at the controller level.
This module manages 1 AS-i channel, so one integrated transceiver handles the full AS-i segment. The segment operates under the M3 AS-i master profile, and field wiring connects on 2 lines via spring force clamps that maintain contact pressure without screw tightening. Once connected, the controller receives a default process image of 12 bytes for input, output, and status data. The housing measures 12 × 100 × 68 mm and is made of polycarbonate, which keeps the terminal compact and resistant to routine panel impacts.
Operational diagnostics report power, slave, or parameter faults to the PLC through the K-bus, and selectable K-bus widths of 12, 22, or 38 bytes support different application layouts. Fault messages also help the control program detect wiring issues, missing slaves, or parameter mismatches during operation. The housing is rated IP20, so it is intended for use inside closed control cabinets, and it mounts on a 35 mm DIN rail in accordance with EN 60715. AS-i V2.1 operation allows the terminal to address up to 62 slaves of either digital or analog type, expanding the number of field devices that can be monitored from one terminal.
