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> Arbiter 1093B gps master clock irig-b timecode 1PPS dst
Arbiter 1093B gps master clock irig-b timecode 1PPS dst
Arbiter 1093B GPS Station Master Clock 1PPS RS-232 IRIG-B Timecode
With Antenna Excellent Condition Latest Firmware (DST 2007 Compliant) 110-240V AC/DC Power
Here's a very clean GPS atomic clock time receiver. It comes with power cord and a 27dB gain antenna so it will acquire time for you right out of the box. A great way of driving an NTP time server or the synchronized clocks in your facility. I found the unit to be quick at obtaining the initial time with the supplied antenna placed near a window with a partial view of the sky. An external antenna with a full view of the sky is recommended for a permanent installation, and I have some listed which would be ideal. Alternatively you can choose your own antenna as any 5V L1 antenna should work well.
The firmware has been upgraded to the latest factory-supplied EPROM so you're running the latest spec and won't have to worry about compliance with the 2007 DST changes.
The only known defect is that I'm not sure if the backlight behind the LCD display is still working. The display is very visible without it and I see no reason to attempt a modification to resolve this.
Full details may be obtained from the User Manual.
The Arbiter Systems Inc. Model 1093B GPS Satellite-Controlled Clock is a GPS timing source for applications requiring an accurate time source with a better than 500ns accuracy. The Model 1093B features an LCD setup/status display and a keyboard for ease of inspection, configuration and operation.
Two pluggable terminal strip outputs provide unmodulated IRIG-B and 1 PPS. A modulated IRIG-B output (1093opt92) is available on a third pluggable terminal strip output. These outputs have substantial drive capability to easily drive multiple loads in parallel. These outputs are configurable to provide other output signals or an event-capture input.
An event capture input is standard, and may be wired to one of the output connectors or used for synchronizing data collection on an external computer via the serial port. This input has 1 s resolution. A programmable-pulse output may be used to generate an output pulse at the IRIG-B unmodulated or the 1 PPS outputs in addition to the AUX OUT on the RS-232 Port.
The power supply requirements are universal, accepting 85 to 264 VAC or 110 to 350 VDC connected by terminal strip inlet on the rear panel.
Specifications apply at the 1 PPS output, in the presence of Selective Availability (SA), as of date of publication.
10 meters, rms, 90% confidence
Twelve (12) channel, C/A code (1575.42 MHz). Receiver simultaneously tracks up to twelve satellites. Results from all tracked satellites are averaged in Position-Hold Mode or, with Position-Hold Mode off, using least-squares estimation.
* 150 seconds typical, cold start
* 15 minutes, 90% confidence, cold start
* 40 seconds, with almanac less than 1 month old
* 15 seconds, with ephemeris less than 4 hours old
* The GPS Data Backup Battery is now included in the Model 1093s. This feature improves acquisition time to as little as 15 seconds after a brief power loss by supplying constant power to the real-time clock and RAM in the GPS receiver module.
Two standard: one IRIG-B Unmodulated and one 1 PPS; Type: bus driver, 5 V CMOS; 10 ohms source impedance; 75 mA drive capability; pluggable terminal strip.
One event timer channel with 1 s resolution is standard. This function may be driven by the start bit of a received character on the serial port, or (by internal connection) an external 5 V CMOS/TTL signal at one of the terminal strip connectors.
One programmable output pulse (by a jumper connection) that may be output on a terminal strip connector or the AUX OUT pin on either RS-232 Port.
* Every 1 to 60,000 seconds, starts top of the minute
* Hourly at a specified offset
* Daily at a specified time of day
* One shot at a specified time of year
Pulse duration is programmable from 0.01 to 600 seconds, except in one-shot mode, where the output is Low prior to the specified time and High thereafter.
IRIG-B Modulated (1093opt92): bus driver, 4 Vpp, 20 ohms source impedance; drives a 50-ohm load at 3 Vpp; pluggable terminal strip
Relay contacts (1093opt93): 1 set, Form C (SPDT) fail-safe, 0.3 A at 130 Vdc; Locked function.
* 2 x 20 character supertwist LCD
* Position: latitude, longitude, altitude
* Receiver and clock status
* 1 PPS (input) deviation
Keypad: Eight keys; select display functions or setup menus
* Output code select: Local/UTC
* Daylight Saving Time (Set Summer Time): Off/On/Auto USA/Auto EUR/Auto CUS
* Backlight control: On/Off/Auto
* Event input: Event/1 PPS
* Programmable Pulse setup
* Out of lock time: 1 to 99 minute(s), Off, or Zero Delay
* Auto-Survey: On/Off, Survey duration
* Position Hold: On/Off, Position Auto/Manual
* Option Configuration and Setup
RS-232: 1200 to 19,200 baud; 7 or 8 data bits; 1 or 2 stop bits; even/odd/no parity
* Standard ASCII (IRIG-J)
* Extended ASCII
* ASCII with Time Quality
* ASCII with Time Quality and Year
* Vorne large-display time
Connector: Male 9-pin D-sub (TXD, RXD, AUX IN, AUX OUT)
AUX OUT can provide programmable pulse function at RS-232 levels
Voltage: 85 to 264 Vac, 47 to 440 Hz, 20 VA maximum or 110 to 350 Vdc, 15 W maximum
Size: 1 RU rack mount or tabletop, 260 mm deep FMS, Rack mounts included.
Weight: 2 kg (4.5 lbs), net
Cable Connection: F-type
Operating Temperature: 0 to +50 C (-20 to +70 C typical)
Nonoperating Temperature: -40 to +75 C
EMC: Radiated susceptibility: passes walkie-talkie test. Conducted emissions: power supply complies with FCC 20780, Class A and VDE 0871/6.78 Class A. Surge withstand capability (SWC), power inlet: designed to meet ANSI/IEEE C37.90-1 and IEC 801-4
