Measurement Computing SC-1608 Series - Manual (Page 10)

SC-1608 Series User's Guide Introducing the SC-1608 Series
10
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 8 or 10*
8B32 Current input, 0-20 mA, 4-20 mA 8 8 or 10*
8B33 Isolated true RMS input 8 8 or 10*
8B34 Linearized 2- or 3-wire RTD input 8 8
8B35 Linearized 4-wire RTD input 8 8
8B38 Strain gage input, 8 kHz and 3Hz bandwidth 7 with no SSRs installed
6 with SSRs installed
8
8B39-01 Current output, 0-20 mA, 4-20 mA 2 2
8B40/41 Voltage input, 1 kHz bandwidth 8 8 or 10*
8B45 Frequency input 8 8
8B47J/K/T Linearized thermocouple input 8 8
8B49 Voltage output 2 2
8B50/51 Voltage input, 20 kHz bandwidth 8 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.