Measurement-computing SC-1608 Series Manuale Utente Scaricare il pdf (Pagina 10)

SC-1608 Series User's Guide Introducing the SC-1608 Series

SSR module type

Description

SSR-IDC-05NP

DC sense, 10 to 32 VDC non-polarized digital inputs

SSR-OAC-05

AC switch, 24 to 140 VAC, 3.5 A @ 120 VAC

SSR-OAC-05A

AC switch, 24 to 280 VAC, 3.5 A @ 240 VAC

SSR-ODC-05

DC switch, 1 to 60 VDC @ 3.5 A

SSR-ODC-05A

DC switch, 4 to 200 VDC @ 3.5 A

8B analog I/O signal conditioning modules

8B analog modules provide 500 V channel-to-channel isolated analog I/O signal conditioning. Mix and match

per channel between supported voltage, TC, RTD, strain gage, current, and frequency type signals.

 8B analog input modules isolate, filter, and amplify an input signal and provide an analog voltage output.

 8B analog output modules accept an input signal from a non-isolated source, then isolate, filter, and convert

the signal to a voltage or current output.

The baseboard has eight locations for 8B analog input modules, and two locations for 8B analog input or analog

output modules.

The following table lists the 8B analog I/O module types you can install, and the maximum number of each

module that can be installed:

8B analog I/O modules compatible with the SC-1608 Series

8B module type

Measurement type

Max number of supported modules*

Ethernet version

USB version

8B30/31

Voltage input, 3 Hz bandwidth

8 or 10*

8B32

Current input, 0-20 mA, 4-20 mA

8 or 10*

8B33

Isolated true RMS input

8 or 10*

8B34

Linearized 2- or 3-wire RTD input

8B35

Linearized 4-wire RTD input

8B38

Strain gage input, 8 kHz and 3Hz bandwidth

with no SSRs installed

6 with SSRs installed

8B39-01

Current output, 0-20 mA, 4-20 mA

8B40/41

Voltage input, 1 kHz bandwidth

8 or 10*

8B45

Frequency input

8B47J/K/T

Linearized thermocouple input

8B49

Voltage output

8B50/51

Voltage input, 20 kHz bandwidth

8 or 10*

* When using the SC-1608X-USB or SC-1608-USB, you can install two additional 8B voltage input modules into the 8B

I/O module locations (for a total of 10). Voltage input modules installed in the I/O location must be 2-wire types that don't

require excitation terminals. Refer to 8B analog I/O module control jumpers on page 19 for details. The SC-1608-2AO-

ENET or SC-1608X-2AO-USB accept output modules in the two 8B I/O module locations only.

Refer to the MCC Signal Conditioning page on our website for a list of the specific modules supported within

each module type.

OEM DAQ Analog Ranges

The analog input range of the OEM DAQ boards can be configured for ±5 V which allows them to interface to

most of the 8B output modules. The resolution and accuracy of the OEM DAQ boards is sufficient for use with

8B output modules that have a unipolar 0-5 V output range.

The analog output voltage range of the SC-1608-2AO-ENET and SC-1608X-2AO-USB is ±10 V, allowing the

baseboard to interface with many of the 8B modules. For 8B modules with a ±5 V or unipolar 0-5 V range, you

can scale the ±10 V outputs to ±5 V, so that combined with the resolution and accuracy of the OEM DAQ

boards these modules are also supported.

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