16-Channel Isolated Analog Signal Conditioning Card for OMB-LOGBOOK-300, OMB-DAQBOARD-2000 Series and OMB-DAQSCAN-2000 Series

OMB-DBK207

Accepts Up to 16 OM5 (5B Compatible) Isolated Analog Input Modules
500 Vdc Channel-to-Channel and Channel-to-System Isolation
Modules Can be Mixed in Any Combination to Measure Temperature, Strain, Volts, Current, and Frequency
Per-Channel Screw Terminals (14-22 AWG) for Easy Signal Connection, Cold- Junction Sensors for Thermocouple Applications (OMB-DBK207/CJC), and Socket for Current Resistors
Up to 16 OMB-DBK207 and/or OMB-DBK207/ CJC Boards Can be Daisy-Chained, Supporting Expansion to 256 Isolated Analog Inputs
Requires 5 Vdc Power Supply
Optional Rack Mount Kit
Easily Configured with DaqView Software (No Programming Required)

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Description

The OMB-DBK207 and OMB-DBK207/CJC signal conditioning and expansion boards can be configured, on a per-channel basis,
with up to 16 isolated OM5 (5B) analog input modules. Both boards feature screw terminals per channel for the convenient connection of field signals as well as sockets for current conversion resistors (supplied with OM5 (5B) current I/O modules, sold separately). The OMB-DBK207/CJC also includes per-channel coldjunction compensation. This allows OM5 (5B) thermocouple modules to output linearized and compensated values eliminating the need for any components apart from a usersupplied thermocouple.

Each user-configurable OM5 (5B) signal conditioning module offers 500 V isolation from the system and from other channels. A wide variety of analog input modules are available for measuring temperature (thermocouple and RTD), strain, volts, current, and frequency.

Up to 16 OMB-DBK207 and/or OMB-DBK207/CJC boards can be daisy-chained (via multiple OMB-CA-37-x cables) providing expansion for up to 256 analog input channels. For applications with both analog and digital I/O channel expansion requirements, the OMB-DBK208 and OMBDBK210 expansion boards are available. All OMB-DBK signal conditioning and expansion boards are scanned at 5 µs/channel.

The OMB-DBK207 and OMB-DBK207/CJC ship with panel-mount hardware but they can also be rack-mounted with the optional rack mounting kit. The OMB-DBK209 and OMBDBK206 adapter boards are used to convert the 100-pin (P4) connector from the
OMB-DAQBOARD-2000 series boards to three expansion ports P1, P2, and P3).

Specifications
Module Capacity: 16, input only, OM5 (5B) compatible modules
Cable: OMB-CA-37-x and OMB-CA-195
DC Input Fuse: 3 A, reset type
Power Requirement: 5 Vdc, regulated
Operating Environment: 0 to 70°C (32 to 158°F)
Relative Humidity: 95% RH non-condensing
Connectors:
P4: 100-pin connector for connection to OMB-DAQBOARD-2000 Series
P4 connector via an OMB-CA-195 cable
P1: 2 P1 (DB37) connectors provide connection to Daq system
P1 and analog expansion via single OMB-CA-37-x cable
or multiple OMB-CA-37-1 cables
Screw Terminals: 16 sets of 4-connector blocks

ISOLATION (DC OR AC PEAK)
Signal Inputs to Daq Device: 500 V
Input Channel-to-Channel: 500 V
CJC: Cold-junction compensation, applicable to OMB-DBK207/CJC board only

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