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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