Meteor Specification
| Memory |
| Ram |
128K standard (512K optional) |
| Real Time Clock |
| Accuracy |
Better than 7 seconds in 10 days
over full temperature range |
| Sync-in (optional) |
A voltage free contact closure
minimum 5ms on the half hour |
| Sync-out (optional) |
50ms contact closure (may be passed to Sync-in of
another meteor) |
| Data Ports |
| Modem |
V24/RS232 |
| Interrogation port |
V24/RS232 |
| Concentrator port |
20mA current loop (4 wire) |
| Meter Inputs |
| Channels |
16/32 contact closure |
| Voltage source |
V24/RS232 |
| Current at 15V |
15VDC (protected at 20V) |
| Max operation frequency |
4mA typica |
| Frequency rejection |
Will not respond to >20Hz |
| Outputs |
| Watchdog relay |
Two changeover contacts
(rated: 100VDC, 1A) |
| Summation (optional) |
8/16 solid state class Y
(60VDC, 100mA) |
| Supply Input |
Nominal
Voltage range |
48VDC or 110VDC (AC options on request) |
| Input current |
42 to 137VDC |
| Fuse rating |
150mA (48VDC)
60mA (110VDC)
300mA (mounted on PSU) |
| Batteries |
| Type |
AA Alkaline |
| Hold up time (Memory/clock) |
>10 days (28 days on request) |
| Enviroment |
Temperature
Humidity |
+5deg. C to +55 deg.C
10% to 95% non-condensing
to CEGB EES 1989 |
| Electrical |
Meter Inputs class Y
Supply Inputs class Z
Watchdog contacts class Z
Telephone line class Z |
| Mechanical |
| Mounting |
19 inch rack type |
| Panel height |
4 U (7 inches) |
| Depth |
13 inches plus sockets |
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