RCT601 Multifunction Programmable Digital Timer

The Radix RCT601 is a compact, panel-mount industrial multifunction programmable timer designed for industrial automation applications. It operates as a digital timer with a single 4-digit red LED display and supports up to two setpoints.

The RCT601 features an industry-standard 48 × 48 mm plug-in enclosure, allowing rapid installation without disrupting rear terminal wiring. The programmable timer operates on an 85–265 VAC/DC supply voltage, making it suitable for industrial control panels requiring flexible timing functions.

The RCT601 provides nine user-selectable timing ranges from 10 milliseconds to 9999 hours. It can count elapsed time in either incrementing (up) or decrementing (down) directions based on operator programming. The timer also uses non-volatile memory to retain elapsed time indefinitely during power outages.

Working Principle of the Radix RCT601 Digital Timer

The RCT601 operates using an internal time-base oscillator that provides quartz crystal accuracy of 0.01% of the reading. The timer measures elapsed time according to the selected timing range and programmed counting direction.

The RCT601 provides nine selectable timing ranges covering durations from 10 milliseconds to 9999 hours. Operators can configure the timer to count either upwards or downwards according to the required timing operation.

The RCT601 provides four timing relay functions:

ON Delay
OFF Delay
Cyclic C1 - Relay ON at power ON
Cyclic C2 - Relay OFF at power ON

The RCT601 incorporates non-volatile memory to retain elapsed time indefinitely during a power outage. This allows timing cycles to retain their partial elapsed times during mains power failures.

RCT601 Input Configurations

The RCT601 is available in Fixed Input and Configurable Input Series to support different control requirements.

RCT601 Fixed Input Series - Order Code: 2287-00

The Fixed Input Series features dedicated, factory-assigned Start, Reset, Gate and Stop terminal inputs.

This configuration provides a straightforward solution for standard machine cycling and simple pause or Gate operations.

RCT601 Configurable Input Series - Order Code: 2287-01

The Configurable Input Series provides fully flexible control terminals. Operators can assign individual functions to the inputs, including Start, multiple Reset options, Gate freeze logic and Stop variations.

This configuration is suitable for sophisticated interlocking and multi-signal automation panels.

Why Choose the Radix RCT601 Multifunction Programmable Timer?

The RCT601 combines programmable timing, multiple timing functions and flexible input configurations in a compact panel-mount digital timer.

Its nine selectable timing ranges cover timing operations from 10 milliseconds to 9999 hours. The up/down counting function allows operators to configure the timer according to the required automation sequence.

The RCT601 also provides four timing relay functions - ON Delay, OFF Delay, Cyclic C1 and Cyclic C2, for different machine and process timing requirements.

Its non-volatile memory retains elapsed time indefinitely during power outages, allowing processes to retain partial elapsed times during mains power failures.

Key Features and Advantages

Compact panel-mount industrial multifunction programmable timer
Single 4-digit red LED display
Supports up to two setpoints
Industry-standard 48 × 48 mm plug-in enclosure
Rapid installation without disrupting rear terminal wiring
85–265 VAC/DC supply voltage
Quartz crystal accuracy of 0.01% of the reading
Nine selectable timing ranges
Timing range from 10 milliseconds to 9999 hours
Incrementing (up) or decrementing (down) counting
Four timing relay functions
ON Delay
OFF Delay
Cyclic C1 – Relay ON at power ON
Cyclic C2 – Relay OFF at power ON
Non-volatile memory for elapsed time retention
Fixed Input and Configurable Input Series
Dedicated Start, Reset, Gate and Stop inputs in Fixed Input Series
Flexible input assignment in Configurable Input Series
Multiple Reset options
Gate freeze logic
Stop variations
Suitable for standard machine cycling
Suitable for interlocking and multi-signal automation panels

Flexible Timing Functions

The RCT601 provides four timing relay functions for different industrial automation sequences.

ON Delay

The ON Delay function provides programmed timing before the relay operation.

OFF Delay

The OFF Delay function provides programmed timing for relay operation according to the configured timing cycle.

Cyclic C1

Cyclic C1 provides repetitive timing operation with the relay ON at power ON.

Cyclic C2

Cyclic C2 provides repetitive timing operation with the relay OFF at power ON.

Non-Volatile Elapsed Time Retention

The RCT601 incorporates non-volatile memory to retain elapsed time indefinitely during a power outage.

This allows the timer to securely retain partial elapsed times during mains power failures. The function is suitable for processes where timing cycles need to continue from the retained elapsed time after an unexpected power interruption.

Flexible Input Configurations

The RCT601 is available in Fixed Input and Configurable Input Series.

The Fixed Input Series uses dedicated, factory-assigned terminal inputs for:

Start
Reset
Gate
Stop

This configuration is suitable for standard machine cycling and simple pause or Gate operations.

The Configurable Input Series provides flexible control terminals that allow operators to assign individual input functions, including:

Start
Level Reset
Pulse Reset
Gate freeze logic
Stop variations

The configurable version is suitable for automation panels requiring sophisticated interlocking and multi-signal control.

How to Choose the Right RCT601 Version

Select the RCT601 Fixed Input Series when you need an economical, ready-to-wire timer for standard machine cycling and simple pause or Gate operations.
Select the RCT601 Configurable Input Series when the control circuit requires instantaneous pulse resets or delayed cycle restarts.
Specify the RCT601 when the process requires timing cycles to securely retain partial elapsed times during mains power failures.

Applications of the RCT601 Multifunction Programmable Digital Timer

The RCT601 is suitable for industrial timing, process automation and machine cycling applications.

Typical applications include:

Machine cycling
Process automation
Duty cycling
Repetitive industrial machinery cycles
Power failure recovery
Component endurance testing
Extended-duration testing

Use Cases and Solutions

Power Failure Recovery

The RCT601 uses non-volatile memory to retain elapsed time indefinitely during power outages. This allows batch timing to resume from the retained elapsed time after unexpected factory power failures.

Process Automation and Duty Cycling

The RCT601 provides Cyclic C1 and C2 relay switching for repetitive industrial machinery cycles and duty-cycling applications.

Extended Testing Rigs

With timing ranges extending up to 9999 hours and quartz crystal accuracy of 0.01% of the reading, the RCT601 can be used for continuous component endurance trials.

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