M190 Timing System
The M190 is an economic flexible timing system designed for use in any applications where reliable time information is required. It is ideal where synchronisation of a small number of external interfaces is required.
Features
- Serial output (RS232/RS422)
- Additional external interface with range of module options
- Choice of clock synchronisation options (GPS or LF)
- Standard crystal oscillator with option to upgrade to TCXO
- 1 U high standard 19" rack mount
- 5 button front panel keyboard for equipment configuration and control
- Alphanumeric display of time, date and status
- Equipment configuration stored in non-volatile memory
This system has 1 option module slot with the following module options:
- GPS Receiver Module (Opt 15)
- Octal Serial Output Module (Opt 17)
- Analogue Clock Driver Module (Opt 18)
- Combined Timecode/Serial/Analogue/Relay Output Module (Opt 66)
[Please also see the M210 and M211 Modular Timing Systems, which have respectively 3 and 9 module slot capacity, and over 60 module options for even greater flexibility]
Specifications
Performance Specification at 20°C
Time Accuracy: Standard crystal oscillator maintains free?run accuracy of 20milliseconds over 4 hours at 20°C.
Display: 2 row by 24 character LCD. Character height 5mm.
Keyboard: 5 button keyboard for equipment configuration and control. Storage of equipment configuration in non-volatile memory.
Data Interfaces: One output of serial data to EIA RS232/RS422 Standard.
Connection is via a 25 way D type plug.
Power: 115/230V AC ±10% 48?62Hz Load 20W (typical). Connection via 3 pin IEC plug.
Mechanical: 19 inch rack mounting 1U high 305mm deep. The chassis has the provision for one option card to be fitted within the unit.
External LF Receiver Option (MSF/DCF77/WWVB/HBG)
Time Accuracy: ±100 milliseconds from transmitted time. If signal unavailable, master clock specification applies
Mechanical: External Receiver is supplied in a weatherproof (IP67) box
(175mm x 125mm x 74mm).
External GPS Receiver Option
Time Accuracy: ±1 millisecond from UTC. If signal unavailable, master clock specification applies
Mechanical: A GPS Receiver module is fitted in the Master Clock. An external GPS Active antenna is also supplied.
Environmental (Operation & Storage)
Temperature: 0°C to +40°C
Humidity: Up to 95% RH (non?condensing)
EMC: CE Compliant
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