• SS1 Rotation Monitor and Frequency Switch
• PDA Series Amplifier Modules
• CLT230D Speed & Distance Display System
• DMS1 SD Shaft Motion Detector

The SS1 monitor is a plug-in module which functions by detecting the speed of a moving bolt head, toothed wheel or other suitable competent. Reciprocating, rotating or vibrating mechanisms may be successfully monitored by this technique. Linear motion detection is also possible where evenly spaced components can be sensed.

When the speed falls below a pre-set minimum, an internal relay operates after an adjustable time delay. The relay contacts may be used to provide interlock facilities within the machine control systems. The actual sensing component used is normally an inductive proximity switch. However, provision is made within the SS1 to enable magnetic sensors to be employed.

In shaft stop applications, the monitor can prevent machine guards from being removed from still-rotating parts. The system required only a single pulse to ensure complete protection for the whole of the elapsed time period.

Applications include: Shaft stopped detection, Machine guard interlocks, Flow line supervision, Conveyor motion sensing, Vibration monitoring, Frequency switch.

Features include:

• Fail safe operation
• Completely sealed sensors
• Very low speed operation
• Multiple sensor amplifier

The PDA20 series modules are plug in amplifiers designed to enable magnetic and inductive proximity sensors and isolated low voltage contacts to interface directly with a wide range of equipment. Important features are supply isolation and integral sensor power supply.

Applications include: Limit switches, Interlocks, Motion detectors, Interface to electronic systems, Low current metallic contact detection.

Options: Versions with integrated timers are also available.

Features include:

• Integral power supply allows use of low voltage sensors
• Isolated Relay modules have insulation voltage up to 3000 V DC
• Logic outputs for direct connection to electronic circuitry
• Low voltage / current inputs for mechanical and electronic sensors.

The CLT230D system provides a dual LCD display of speed and distance with an optional input for a totalising counter.

An integral relay trip operates at a pre-set speed and a variable 0-10V DC output signal can be provided for control or monitoring purposes. The instrument is designed for use on 12 or 24V DC supplies as specified.

The system is normally provided pre-programmed but may be altered on site using the MKP125 plug in programmer.

Sensing is carried out by a pulse sensor in conjunction with a bolt head, keyway or gear teeth. The sensor normally used is a 3 wire inductive proximity sensor.

The program is set to permit the CLT230D to display the required speed and count readings and should be adjusted for the number of pulses per revolution at the sensing pint and any gearbox ratio involved.

Features Include:

• Dual 4 digit, 12.5 mm LCD Display of Speed & Count
• Variable display update time
• External totaliser drive signal for total count
• Speed alarm relay for under/over speed - selectable for normally ON or OFF
• External reset facility for LCD batch count
• Sensing or rate & count signal from a single sensor
• Analogue output 0-10V DC of rate signal
• Counter Pre Divide facilities for batch & total
• Digital scaling of analogue signal
• Programmable parameters for speed scaling, counting and alarm
• Plug in programming facility

The DMS1 SD is a DIN rail mounted module which operates by detecting the speed of rotation of a bolt head, toothed wheel or other suitable component.

When the speed falls below the pre-set minimum, an internal relay operates. The relay contacts may be used to provide machine interlock facilities on falling or increasing speed.

An inductive sensor is normally used for bolt head detection, however, the DMS1 SD enables many different types of sensor to be employed.

Applications: Machine-in-use indicator, shaft stopped interlocks, production line monitoring, missing component detection, conveyor motion sensing, vibration monitoring, frequency switch, overall factory monitoring by use of a data logger.

A versatile rate dependent interlock system.

Features Include:

• Versatile sensor amplifier
• Low speed operation
• Relay or open collection output
• Removable terminal blocks
• Programmable relay on-time
• Internal DIL switch selectable options

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