Yodify Product Library
Instantly add the UCBS Standalone Checkback and 50,000+ more product series to your store or catalog
Book Your Demo and See How
or create your store
UCBS Standalone Checkback
Brand: PulsarThe Universal Checkback Standalone System (UCBS) provides periodic testing of "ON-OFF" carrier sets other than the TC-10B and the UPLC/UPLC-II (which incorporate this same checkback tester internally).
The UCBS determines the functionality of the complete channel including the transmitters, receivers and associated coupling equipment.
Periodic testing is required for the normally "off" channel, to provide warning of signal deterioration prior to needing it for relaying, The UCBS facilitates automatic testing of the channel at preset intervals.
The UCBS is totally field programmable. All programming is done with a computer using the RS232 serial port or limited factory settings with switches on the Checkback module.
Front panel LEDs indicate the factory or custom setting applied and the status of alarms.
Features- Test Intervals
- Settable between 1 and 120 hours or at up to 4 specific times per day
- Input voltage level
- 15 to 300 Vdc
- Tests initiated by
- Automatically via settable internal timer
- Voltages applied via supervisory control
- Manually via the front panel
- 5 Alarm/Status Outputs
- Hardware
- The UCBS is supplied in a modular chassis containing two plug-in modules and a "motherboard" with rear-mounted terminal blocks.
- Mounting
- Chassis 3 inches wide by 5.75 inches tall (3RU)
- Optional 19 inch rack or 19 inch adapter plate available
- Connections
- Rear-mounted terminal blocks
Specifications
Brand
Output Ratings
- HL Key Output Max. Current: 250 mA Continuous or Switched at 15-300 Vdc
- LL Key Output Max. Current: 250 mA Continuous or Switched at 15-300 Vdc
Alarm Output Ratings
- Power Supply Alarm: 15-300 Vac, 0.25A Max. Cont. or Switched
- Major, Minor Alarms & 3 Prog. Outputs: 15-300 Vdc, 1A Max. Cont. or Switched
Ambient Temperature Range of Air-Contacting Equipment
- -20° C to +60° C
Relative Humidity
- Up to 95 % at 40° C
Altitude
- Up to 10,000 feet (3,048 meters) with 7° C Reduction in Max. Ambient Temperature for each 5,000 feet (1,524 meters) of Elevation above 2,500 feet (762 meters)
Transient Withstand Capability
- All External User interfaces meet SWC Specifications of ANSI C37.90.1 (1978)
Dielectric
- Only Isolated Inputs & Outputs, and all Alarms, 2,500 Vdc from each Terminal to Ground, Derated 100 Vdc for each 1,000 feet (305 meters) Above 1,000 feet Altitude. Meets Requirements of IEEE STD 281-1984.