Signal Conditioning & I/O

By: YH Goh Technical Evangelist RLC AP

Basic Product Types Signal Converters

– Convert one type of signal into a different type• Analog signals• Digital signals• Communications

Signal Isolators– Electrically isolate an output signal from an input

• Protects input circuits from damage

Special Function Modules– Perform various functions– DIN rail mounted

Fundamentals Digital signals

– Frequency (speed) of signal varies as measurement varies

Fundamentals, contd. Digital signals

– Frequency (speed) of pulses varies as measurement varies

– Typical digital sensors

Fundamentals, contd. Analog

– Voltage or current– Signal level varies as measurement varies

Fundamentals, contd. Analog

– Voltage or current– Signal level varies as measurement varies– Typical analog sensors

Signal Converters - Analog Converters make equipment compatible Example – Analog to Analog

– PLC with 4-20 mA inputs– Sensors with varying signal outputs

Analog to Analog Products

IAMA – Universal Signal Conditioner– W/ isolation

ITMA– Thermocouple to analog

IRMA– RTD to analog

Signal Converters - DigitalExample – Frequency to Analog

– Analog input devices– Pulsed type sensors

Digital to Analog Products

IFMR– Speed Switch (Frequency to Alarm)

IFMA– Frequency to Analog Converter

Signal Converters – Analog to CommunicationsSignal to Data Communications

– Allow PCs or PLCs to monitor signal via communications

Signal to Comms. ProductsIAMS

– Analog (Volt/Current to Communications)

ITMS– TC/RTD (temperature sensors)

Signal Converters – Comms. ConvertersData to Data Communications

– Allow different devices to communicate with each other

Comms. Converter ProductsICM4

– RS232 to RS485 Converter, not-isolated

ICM5– RS232 to RS485 converter with isolation

Signal IsolationIsolators prevent ground-loopsExample

– Drive with high potential on output– PLC with non-isolated input– Most of our converters have isolation ie

ICM5

Specialty ModulesRelays3-phase monitor Power Supplies

                                                                                                   

                                                                                                   

                                                                                                   

Relays

Function: Switching, 3 phase and on/off function

-Solid State Relay (RLY6)

-3 Phase Solid State Relay (RLY7)

-Form A/ C Relay (AVMR/ RSRLYB)

Power Supply

-24VDC@0.65mA from Univ Power Supply (PSDR6)

-24VDC@1A from Univ Power Supply (PSDR7)

-24VDC@0.1A from 120/220AC Supply (PSDR12)

-24VDC@1A from 120AC Power Supply (PSDR13)