SCM5B33 - True RMS Signal Conditioning Module

Main features

  • Input Signal Range 0-100mV, 0-1V, 0-10V, 0-150V, 0-300V, 0-1A, 0-5A
    • Standard Frequency Range 45Hz to 1kHz
    • Extended Frequency Range 1kHz to 20kHz
  • Output Ranges 0-5V, 0-10V, 0-1mA, 0-20mA, 4-20mA
  • Output Control Enable / Disable
  • Isolation
    • Voltage 1500Vrms
    • Type 3-way: Input, Output, Power
  • Common Mode Rejection 100dB
  • Filter 6-Pole
  • Input Voltage Withstand 240Vrms
  • Gain/Offset Adjust Fixed
  • Accuracy ±0.25%
  • Power ±5V DC ±5%, 120mA
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Price request Datasheet

The SCM5B33 True RMS signal conditioning modules take a single channel of AC input which is converted to its True RMS DC value, then filtered, isolated, amplified, and converted to a standard process voltage or current output. RMS voltage input ranges are 0-100mV, 0-1V, 0-10V, 0-150V or 0-300V and RMS current input ranges are 0-1A or 0-5A. Analogue voltage and current outputs are 0-5V, 0-10V, 0-1mA, 0-20mA or 4-20mA

The SCM5B33 True RMS signal conditioning module guarantees the highest level of accuracy and noise immunity in your measured signals. These modules are designed with a completely isolated computer side circuit which can be floated to ±50V from Power Common, pin 16. This complete isolation means that no connection is required between I/O Common and Power Common for proper operation of the output switch. If desired, the output switch can be turned on continuously by simply connecting pin 22, the Read-Enable pin, to I/O Common, pin 19. The field voltage or current input signal is processed through a pre-amplifier and RMS converter on the field side of the isolation barrier. The converted DC signal is then chopped by a proprietary chopper circuit and transferred across the transformer isolation barrier, suppressing transmission of common mode spikes and surges. The computer side circuitry reconstructs, filters and converts the signal to industry standard outputs.

Circuit boards are potted within a rugged, compact and industry standard 5B package measuring just 58mm (H) x 57mm (W) x 15mm (D), making it ideal for applications where space needs to be considered. Identical gold-plated pin-outs are used to ensure a reliable connection. With a wide operating temperature of -40°c to +85°c and are also suitable for use in locations where there is presence of a flammable element such as vapours, gases or dust with being ATEX compliant. Due to circuit limitations, -04x and -05x models are not ATEX complaint. Other certifications include CE and CSA. The SCM5B33 True RMS signal conditioning module goes through a 48-hour burn-in operation and is tested twice whereby test results are uploaded to the website and can be found via searching the unique serial number.

The SCM5B33 True RMS signal conditioning module can be mounted on single-channel, dual-channel, 8-channel and 16-channel back panels which are available with panel, DIN rail or 19” rack mounting options. Each SCM5B back panel incorporates screw terminals for field wiring inputs or outputs and may include on-board temperature sensors for cold-junction compensation. A regulated supply of +5V DC is required for power and each module consumes 0.15w or 30mA of power. For current output models, an external loop supply of 4.2V to 26V is required. The loop supply connection, with series load, is between Pin 20 (+) and Pin 19 (-).

SCM5B33-01 - Input Range: 0-100mV Output Range: 0-5V

5B

SCM5B33-01B - Input Range: 0-100mV Output Range: 0-1mA

5B

SCM5B33-01C - Input Range: 0-100mV Output Range: 4-20mA

5B

SCM5B33-01D - Input Range: 0-100mV Output Range: 0-10V

5B

SCM5B33-01E - Input Range: 0-100mV Output Range: 0-20mA

5B

SCM5B33-02 - Input Range: 0-1V Output Range: 0-5V

5B

SCM5B33-02B - Input Range: 0-1V Output Range: 0-1mA

5B

SCM5B33-02C - Input Range: 0-1V Output Range: 4-20mA

5B

SCM5B33-02D - Input Range: 0-1V Output Range: 0-10V

5B

SCM5B33-02E - Input Range: 0-1V Output Range: 0-20mA

5B

SCM5B33-03 - Input Range: 0-10V Output Range: 0-5V

5B

SCM5B33-03B - Input Range: 0-10V Output Range: 0-1mA

5B

SCM5B33-03C - Input Range: 0-10V Output Range: 4-20mA

5B

SCM5B33-03D - Input Range: 0-10V Output Range: 0-10V

5B

SCM5B33-03E - Input Range: 0-10V Output Range: 0-20mA

5B

SCM5B33-04 - Input Range: 0-150V Output Range: 0-5V

5B

SCM5B33-04B - Input Range: 0-150V Output Range: 0-1mA

5B

SCM5B33-04C - Input Range: 0-150V Output Range: 4-20mA

5B

SCM5B33-04D - Input Range: 0-150V Output Range: 0-10V

5B

SCM5B33-04E - Input Range: 0-150V Output Range: 0-20mA

5B

SCM5B33-05 - Input Range: 0-300V Output Range: 0-5V

5B

SCM5B33-05B - Input Range: 0-300V Output Range: 0-1mA

5B

SCM5B33-05C - Input Range: 0-300V Output Range: 4-20mA

5B

SCM5B33-05D - Input Range: 0-300V Output Range: 0-10V

5B

SCM5B33-05E - Input Range: 0-300V Output Range: 0-20mA

5B

SCM5B33-06 - Input Range: 0-1A Output Range: 0-5V

5B

SCM5B33-06B - Input Range: 0-1A Output Range: 0-1mA

5B

SCM5B33-06C - Input Range: 0-1A Output Range: 4-20mA

5B

SCM5B33-06D - Input Range: 0-1A Output Range: 0-10V

5B

SCM5B33-06E - Input Range: 0-1A Output Range: 0-20mA

5B

SCM5B33-07 - Input Range: 0-5A Output Range: 0-5V

5B

SCM5B33-07B - Input Range: 0-5A Output Range: 0-1mA

5B

SCM5B33-07C - Input Range: 0-5A Output Range: 4-20mA

5B

SCM5B33-07D - Input Range: 0-5A Output Range: 0-10V

5B

SCM5B33-07E - Input Range: 0-5A Output Range: 0-20mA

5B

SCM5B33True RMS Signal Conditioning Module
SCM5B33-01Input Range: 0-100mV Output Range: 0-5V
SCM5B33-01BInput Range: 0-100mV Output Range: 0-1mA
SCM5B33-01CInput Range: 0-100mV Output Range: 4-20mA
SCM5B33-01DInput Range: 0-100mV Output Range: 0-10V
SCM5B33-01EInput Range: 0-100mV Output Range: 0-20mA
SCM5B33-02Input Range: 0-1V Output Range: 0-5V
SCM5B33-02BInput Range: 0-1V Output Range: 0-1mA
SCM5B33-02CInput Range: 0-1V Output Range: 4-20mA
SCM5B33-02DInput Range: 0-1V Output Range: 0-10V
SCM5B33-02EInput Range: 0-1V Output Range: 0-20mA
SCM5B33-03Input Range: 0-10V Output Range: 0-5V
SCM5B33-03BInput Range: 0-10V Output Range: 0-1mA
SCM5B33-03CInput Range: 0-10V Output Range: 4-20mA
SCM5B33-03DInput Range: 0-10V Output Range: 0-10V
SCM5B33-03EInput Range: 0-10V Output Range: 0-20mA
SCM5B33-04Input Range: 0-150V Output Range: 0-5V
SCM5B33-04BInput Range: 0-150V Output Range: 0-1mA
SCM5B33-04CInput Range: 0-150V Output Range: 4-20mA
SCM5B33-04DInput Range: 0-150V Output Range: 0-10V
SCM5B33-04EInput Range: 0-150V Output Range: 0-20mA
SCM5B33-05Input Range: 0-300V Output Range: 0-5V
SCM5B33-05BInput Range: 0-300V Output Range: 0-1mA
SCM5B33-05CInput Range: 0-300V Output Range: 4-20mA
SCM5B33-05DInput Range: 0-300V Output Range: 0-10V
SCM5B33-05EInput Range: 0-300V Output Range: 0-20mA
SCM5B33-06Input Range: 0-1A Output Range: 0-5V
SCM5B33-06BInput Range: 0-1A Output Range: 0-1mA
SCM5B33-06CInput Range: 0-1A Output Range: 4-20mA
SCM5B33-06DInput Range: 0-1A Output Range: 0-10V
SCM5B33-06EInput Range: 0-1A Output Range: 0-20mA
SCM5B33-07Input Range: 0-5A Output Range: 0-5V
SCM5B33-07BInput Range: 0-5A Output Range: 0-1mA
SCM5B33-07CInput Range: 0-5A Output Range: 4-20mA
SCM5B33-07DInput Range: 0-5A Output Range: 0-10V
SCM5B33-07EInput Range: 0-5A Output Range: 0-20mA

SCM5BPT - Pass Thru Module SCM5BPT -
Pass Thru Module

The SCM5BPT is a pass-through module used to establish a direct connection between an input signal and the SCM5B series backplane analog bus. It has unity gain and ...

SCMPB01 - 16-channel backpanel with standoffs for mounting. SCMPB01 -
16-channel backpanel with standoffs for mounting.

The SCMPB01 16-channel backpanel can accept any of the SCM5B analog modules in any mixture. It can be mounted on the SCMXRK-002 19-inch metal rack. The SCMPB01 has ...

SCMPB02 - 16-channel backpanel with standoffs for mounting. SCMPB02 -
16-channel backpanel with standoffs for mounting.

The SCMPB02 16-channel backpanel can accept any of the SCM5B analog modules in any mixture. It can be mounted on the SCMXRK-002 19-inch metal rack. The SCMPB02 has ...

SCMPB03 - Single channel backpanel. No mounting hardware included. SCMPB03 -
Single channel backpanel. No mounting hardware included.
The SCMPB03 is single channel mounting panels for the SCM5B modules, for DIN rail mounting.
SCMPB04 - Dual channel backpanel. No mounting hardware included. SCMPB04 -
Dual channel backpanel. No mounting hardware included.
The SCMPB04 is dual channel mounting panels for the SCM5B modules
SCMPB05 - 8-channel backpanel with standoffs for mounting. SCMPB05 -
8-channel backpanel with standoffs for mounting.

The SCMPB05 backpanel can accept up to eight SCM5B analog input and/or output modules in any combination. It can be mounted on the SCMXRK-002 19-inch metal rack. A ...

SCMPB06 - 8-channel backpanel with standoffs for mounting, multiplexed SCMPB06 -
8-channel backpanel with standoffs for mounting, multiplexed

The SCMPB06 backpanel can accept up to eight SCM5B modules in any combination. It can be mounted on the SCMXRK-002 19-inch metal rack. The SCMPB06 has two analog ...

SCMPB07 - 8-channel backpanel, No mounting hardware included SCMPB07 -
8-channel backpanel, No mounting hardware included

The SCMPB07 8-channel high-density backpanel can accept any of the SCM5B analog modules in any mixture. Its overall width is 5.5 inches (139.7mm) versus 10 inches (254mm) for ...

SCMXCA004 - Interface cables SCMXCA004 -
Interface cables

System interface cable for the SCMPB01/02/05/06 backpanels. This is a 26 conductor ribbon cable with a mass terminated socket connector installed on each end. It can be ordered ...

SCMXCJC - Encapsulated Cold Junction Compensation SCMXCJC -
Encapsulated Cold Junction Compensation

The SCMXCJC is the identical circuit used on the SCMPB01/02/03/04/05/06/07 backpanels except it is packaged as a component for use in customer designed mounting boards. When interfaced to ...

SCMXEV - Analog Module Evaluation Board SCMXEV -
Analog Module Evaluation Board

The SCMXEV is a single channel board with a test socket for SCM5B module evaluation. All signal input/output, control, and power connections are connected to terminal blocks for ...

SCMXIF - Universal Interface Board SCMXIF -
Universal Interface Board

The SCMXIF is a universal interface board which converts a 26-pin ribbon cable input to 26 screw terminals for discrete wire. It can be mounted on the back ...

SCMXJP-003 - Jumper strap SCMXJP-003 -
Jumper strap

Package of 10 jumpers for connecting adjacent input/output modules on the SCMPB01 backpanel. This connection is made if it is desired to direct the output of any input ...

SCMXR1 - Current Conversion Resistor SCMXR1 -
Current Conversion Resistor

A precision 20Ω, 0.1%, 10ppm/°C resistor used with the SCM5B32 current input module or SCM5B42 two-wire transmitter interface module. Sockets are provided on the SCMPB01/02/03/04/05/06/07 and SCMXEV backpanels ...

SCMXRK-002 - 19 "metal rack for mounting SCMXRK-002 -
19 "metal rack for mounting

The SCMXRK-002 is a 19"metal rack for mounting 8BP04/08/16 rear panels and 8BXIF interface board, SCMPB01/02/05/06 et SCM7BP04/08/16

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