Test Intervals

• Settable between 1 and 255 hours

Input voltage level

• 15 to 250 Vdc

Tests initiated by

• Internal timer
• Supervisory control
• Manually via the front panel

Event recording

• Successful High-Level Tests
• Successful Low-Level Tests
• Total Successful Tests
• High-Level Tests Performed
• Low-Level Tests Performed
• Total Tests Performed
• High-Level Failures
• Low-Level Failures
• Total Failures

Hardware

The DCB is supplied in a modular chassis containing two plug-in modules and a "motherboard" with rear-mounted terminal blocks. The master end has a Master Checkback Module and a Power Supply/Interface Module. The remote end(s) has a Remote Checkback Module and a Power Supply/Interface Module. The Master Checkback is available with an optional events counter.

Mounting

• Chassis 3 inches wide by 5.75 inches (3RU)
• Optional 19 Inch rack with an adapter plate available

Connections

• Rear-mounted terminal blocks

The DCB is totally field programmable. All programming is done with the jumpers and switches on the modules. Alarms and failures are recorded on the optional Events Counter if supplied as well as LEDs on the front panel.

• UCBS Standalone Checkback Catalog Number ( 31k)
• UCBS Standalone Checkback System Manual ( 4025k)