Motorola DIMETRA MTS 2, Installation, Configuration And Basic Service Manual

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MTS 2 and MTS 4 Installation, Con
fi
guration and Basic Service Manual PSU - CAN Bus Monitoring, Alarms, and Controls
PSU monitoring parameters available through the CAN Bus:
•
PSU temperature: -30 °C to +100 °C; tolerance: ±2 °C;
•
Battery current: -20 A to +10 A; tolerance: ±1%;
•
Battery voltage: 30 V to 60 V; tolerance: ±1%;
•
Battery temperature: -30 °C to +100 °C; tolerance: ±2 °C;
•
7V output voltage: 0 V to 10 V; tolerance: ±2%;
•
7V output current: 0 A to 10 A; tolerance: ±2%;
•
28.5 V output voltage: 0 V to 30 V; tolerance: ±2%;
•
28.5 V output current: 0 A to 10 A; tolerance: ±2%;
•
PSU output power: 0 W to 1100 W; tolerance: ±2%;
•
Fan output voltage: 0 V to 30 V; tolerance: ±2%;
•
PSU input air temp.: -30 °C to +100 °C; tolerance: ±2 °C;
PSU alarms available through CAN Bus:
•
DC Source Fail: Indicating DC input voltage outside limits (below 43 V);
•
DC Out Fail: DC output voltages out of limits;
•
AC Source Fail: this alarm will be send during 15 ms hold up time after AC mains
failure. If the DC input is available PSU will switch to DC source;
•
Software Fail: Indicating software is corrupted or unable to initialize;
•
Over Temperature: Indicating over temperature detected 5° to 10 °C before shutdown;
•
Fan 1 alarm: Fan 1 not operating, PSU has received a low signal from
fan tray 1 through fan connector 1;
•
Fan 2 alarm: Fan 2 not operating, PSU has received a low signal from
fan tray 2 through fan connector 2;
•
Fan 3 alarm: Fan 3 not operating, PSU has received a low signal from
fan tray 3 through fan connector 3;
PSU Controls available through CAN Bus:
•
Force – DC: Controls the PSU to force the usage of the DC input if usable, disregard
presence of AC. If DC is outside the usable range for the PSU, the PSU indicates the DC
Source Fail alarm. If DC input voltage comes below 43 V and if AC is usable the PSU
takes the input power from AC, disregarding a Force-DC control input;
•
Fan supply output voltage can be controlled by the CAN Bus in 7 steps from 24 V to 12 V;
•
DC operation only: Prevents AC Source Fail alarms (and associated LED) from the PSU on
CAN Bus when the PSU is supplied from DC only. If the AC supply becomes present during
DC operation, the AC Source Fail alarm circuit will automatically be reactivated;
•
AC operation only: Prevents DC Source Fail alarms (and associated LED) from the PSU
on CAN Bus when the PSU is supplied from AC only. If the DC supply becomes present
during AC operation, the DC-Fail alarm circuit will automatically be reactivated;
•
No Fan 1: Prevents Fan 1 alarm (and associated LED) when no Fan 1 is connected. If the Fan 1
becomes present during operation, the Fan 1 alarm circuit will automatically be reactivated;
6802800U74-N September 2009
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