1095A/C Industrial GPS Clock (250 ns)

Rugged, accurate and economical, the 1095A/C GPS Industrial Clock Module from Arbiter Systems®, Inc. is the engineer’s choice when flexibility, precision and physical durability are required.

The 1095A/C precision time clock is a low cost unit capable of driving common timing signals such as IRIG-B, 1PPS and RS-232 serial time codes, with < ±100 ns typical accuracy. The compact, rugged enclosure can be mounted in multiple ways, making installation fast and secure. Ideal for outdoor applications, the 1095A/C is capable of performing when other units fail, operating between -40 °C and 85 °C. Four configurable outputs support substantial drive capability, allowing a single unit to drive multiple loads in parallel. The 1095A/C maintains the real-time clock, almanac and ephemeris data powered by a backup battery in the case of power loss, reconnecting to the satellite signal in as little as 15 seconds. The built in Event Capture function means the unit records key events related to data received from the input options, with 100 ns resolution. Choose between the external and internal antenna options to best suit your installation environment.

  • Rugged case for outdoor or demanding environments
  • Accuracy < ±100 ns typical; < ±250 ns worst case
  • Four terminal strip connector outputs, three high drive, one analog
  • IRIG-B outputsz
  • 1 PPS output
  • Two RS-232 ports
  • One Form C (SPDT) fail-safe relay
  • Battery or power source operated
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Produktinformation

Receiver Characteristics

Timing Accuracy

Accuracy Note Specifications apply at the 1 PPS output, IRIG-B Level-Shift and Programmable Pulse outputs, with US Department of Defense Selective Availability (SA), as of date of publication.
Accuracy UTC/USNO ± 250 ns peak; < ± 100 ns typical (SA off)

Position Accuracy

10 meters, rms, 90 % confidence

Satellite Tracking

Twelve (12) channel, C/A code (1575.42 MHz). Receiver simultaneously tracks up to twelve satellites.

Acquisition

  • 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

I/O Configuration

Output Connectors

Four Total: three high-drive 5 Vdc (250 mA at > 4 V), one analog (4.5 Vpp), terminal strip connectors.

Output Signals

Output 1: Programmable Pulse A
Output 2: IRIG-B00x level-shift
Output 3: Programmable Pulse B
Output 4: Modulated IRIG-B

Event Inputs

One opto-isolated event capture input with 100 ns resolution, terminal strip inputs for 5 Vdc to 12 Vdc, 24 Vdc to 48 Vdc, and 120 Vdc to 240 Vdc nominal input.

Programmable Pulse Output

Two programmable pulse outputs (5 Vdc), PPA and PPB.

Modes:

  • 1 PPS
  • Every 1 seconds 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
  • 1 PPS to 1000 PPS squarewave (PPB only)
  • Aux IRIG Mode (PPB only)

Pulse duration is programmable from 0.01 seconds to 600 seconds, except in one-shot mode, where the output is Low prior to the specified time and High thereafter.
Aux IRIG Mode provides an additional unmodulated IRIG-B signal on the PPB output.

Relay Contacts

One, Form C (SPDT) fail-safe, 0.3 A at 130 Vdc; jumper selectable to Fault, Out-of-lock, Programmable Pulse A (PPA), Programmable Pulse B (PPB), Stabilized, and Event-In functions. Fail-safe means the relay indicates ”fault” or ”unlocked” condition with power off.

Interface

Operator

Display 1095C Display: 6-digit LED Time of Day (20 mm)
Status LEDs
  • Operate (green)
  • Stabilized (green)
  • Unlocked (red)
  • Fault (red)
Setup Via remote interface:

  • Local time offset
  • IRIG Setup: Local/UTC/IEEE 1344
  • Daylight Saving Time: On/Off/Auto (Configurable)
  • LED Brightness control
  • Event input: Event/1 PPS deviation
  • Programmable Pulse setup
  • Antenna cable delay
  • Out of lock time: 1 minute to 99 minutes, Off, or Zero Delay
  • Auto-Survey
  • Relay Control
  • RS-485 Output
  • Serial port2: RS-232
  • Serial port2: RS-232 (DIP switches)

System

RS-232 1200 baud to 115,200 baud; 7 or 8 data bits; 1 or 2 stop bits; even/odd/no parity (TXD, RXD, COM)
RS-422/485 Transmit only, to drive multiple devices. Available Signals include: Serial Port 1, Serial Port 2, IRIG-B, PPA, PPB, and 1 PPS.
Broadcast modes
  • Standard ASCII (IRIG-J)
  • Extended ASCII
  • ASCII with Time Quality
  • ASCII with Time Quality and Year
  • Vorne large-display time
  • Status (output on change of status)
  • Configurable Serial Time Code
  • Event

Power Requirements

Standard

Voltage 9 Vdc to 30 Vdc, 3 W maximum; negative common; 3.81 mm pluggable terminal strip.

General

Physical

I/O Port: Accepts up to a 16 conductor cable with an OD from 6 mm to 12 mm (0.24 in to 0.47 in)

Size 180 mm x 120 mm x 60 mm (7.1 in x 4.7 in x 2.4 in) plus cable gland
Weight 1 kg (2.2 lbs), net
2 kg (4.4 lbs), shipping
Antenna Built-in or optional external
Antenna Mounting 4 mounting feet included

Environmental

Temperature Operating: – 40 °C to + 85 °C
Humidity Noncondensing
EMC Radiated susceptibility: passes walkie-talkie test.

Degree of Protection

IP65 (IEC 60529), NEMA 1, 2, 4, 4x, 12, 13

Certificates and Approvals

CE mark/label and certificate

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