16-Channel Isolated Digital I/O Signal Conditioning Card for OMB-LOGBOOK-300, OMB-DAQBOARD-2000 Series and OMB-DAQSCAN-2000 Series

OMB-DBK208

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Accepts Up to 16 Opto-22 Compatible Isolated Solid-State Relay (SSR) Digital I/O Modules
Up to 16 OMB-DBK208 Boards Can be Daisy-Chained Supporting Expansion Up to 256 Isolated Digital I/O Lines
500 Vdc Channel-to-Channel and Channel-to-System Isolation
Modules Available for Sensing AC and DC Signals and Switching AC and DC Loads
Modules are Jumper Configured as Either Inputs or Outputs in Groups of 8
Per-Channel Screw Terminals (12-26 AWG) for Easy Signal Connection Plus LEDs to Indicate Module Status
On-Board Logic Permits the Disabling of Outputs Upon External Power Loss
On-Board Logic Disables Outputs Upon Detection of a CPU Reset
Optional Rack Mount Kit
Easily Configured, Without Programming, with DaqView Software
Requires 5 Vdc Power Supply

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Description

The OMB-DBK208 signal conditioning and expansion board can be configured with up to 16 isolated Opto-22 compatible solid-state relay (SSR) digital I/O modules. Two 8-channel banks can be jumper-selected as either inputs or outputs. Each channel features screw terminals for the convenient connection of field signals, as well as LEDs to indicate channel status.

Each user-configurable signal conditioning module offers 500 V isolation from the system and from other channels. A wide variety of SSR I/O modules are available to sense AC and DC signals and to switch AC and DC loads.

An on-board jumper (JP2) allows users to determine the status of the digital outputs in the event of the loss/recovery of external power. When enabled, the loss of external power disables module outputs until the application program writes new values to the data bus. When disabled, the loss of power has no effect on the state or continued control of the outputs. Additionally, on-board logic disables module outputs upon detection of a CPU reset.

For the OMB-DAQBOARD-2000 Series boards, only a single OMB-CA-195 cable is required to terminate to the OMB-DBK208.

For applications with digital I/O only channel expansion requirements, up to 16 OMB-DBK208 boards can be daisy-chained via multiple OMB-CA-37-x cables, providing expansion up to 256 digital I/O channels. For applications with both analog and digital I/O channel expansion requirements, the OMB-DBK206 and OMB-DBK209 expansion adaptor boards are available. All OMB-DBK signal conditioning and expansion boards are scanned at 5 µs/channel. The OMB-DBK208 ships with panel hardware; it can also be rack-mounted with the optional OMB-RACK3 rack mount kit.

Specifications
Module Capacity: 16 Opto-22 compatible solid-state-relays
Cable: OMB-CA-37-x or OMB-CA-195
DC Input Fuse: 0.5A, reset type
Power Requirement: 5 Vdc, regulated; 0.25 A min
Operating Temperature: 0 to 70°C (32 to 158°F)
Relative Humidity: 95% RH non-condensing

Connectors:
P4: 100-pin connector provides for connection to OMB-DAQBOARD-2000 Series P4 connector via an OMB-CA-195 cable
P2: 2 P2 (DB37) connectors provide connection to a DAQ system and digital expansion via a single OMB-CA-37-x cable
or multiple OMB-CA-37-1 cables
Screw Terminals: 16 sets of 2-connector blocks for I/O signals

Isolation:
Channel-to-System: 500 V
Channel-to-Channel: 500 V

Place Order(Specify Model Number)

Part Number/ Desc.

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Description

OMB-DBK208

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Availability:

16-channel isolated digital I/O signal conditioning card

OMB-RACK3

£47.57

Availability: 2 weeks

Rack mount kit for OMB-DBK208

ACO5-C

£15.39

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AC output SSR module, switches 3 to 280 Vac

ACI5-C

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Availability:

AC input SSR module, 90 to 140 Vac input

DCO5-C

£24.46

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DC output SSR module, switches 3 to 60 Vdc input

DCI5-C

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DC input SSR module, 3.3 to 32 Vdc input

OMB-CA-195

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100-conductor expansion cable for OMB-DAQBOARD-2000, 0.9 m (3') long

OMB-CA-37-1

£66.48

Availability: 2 weeks

37-pin single option expansion cable for OMB-DAQSCAN-2000 and OMB-LOGBOOK-300, 18 cm (7') long

† All amounts shown in EUR, GBP, or USD