CM-ATR-25/35/45 Power To Succeed

The impressive range of CM Military Power Supplies constitutes a key point in your system success. The three chassis sizes have been fitted with an oversized total output power of 400W (5 slot), 500W (7 slot) and 1050W (12 slot) to satisfy the full range of applications regardless of card-cage power needs.

This extraordinary capacity improves PSU efficiency and MTBF when the chassis is loaded below its maximum power limits. Furthermore, it allows ample reserve for system upgrades and provides additional power for internal and external auxiliary devices, such as platform sensors, signal adapters, remote sub-systems, etc.

All PSU models are fitted with Power Fail Monitor, MIL-STD-461E power filter, remote voltage sensing, output voltage trim-up, time-delayed protection fuses, rear fan EMI-filter & fuse and DC/DC converter remote shutdown.

The PSU incorporates new generation isolated DC/DC converters & oversized hold-up capacitors to ensure proper operation during short power line failures. Outputs are protected against short-circuit, thermal-shutdown etc.

Our Power Supplies feature extraordinary versatile input voltage options. This facilitates worldwide operation by accepting all North American and European DC and AC (single & 3-Phase) voltage standards.

Backplanes That Provide More

military enclosure CM ATR chassis integrated Backplanes are low noise, full military VME bus or cPCI compatible. In addition to providing fully standard bus slot & signal daisy-chain functionalities, they have been designed to improve card-cage mechanical performance and to offer additional electronics and options.

The Backplane interfaces the Power Fail Monitor and drives the front panel LED indicators. Other functionalities administer the DC/DC redundant serial communication bus, wire the Temperature Supervisory with the PSU shutdown and monitor the internal re-circulation fan rotation speed.

Slot coding keys on Backplane J0 connectors protect against card insertion errors. J0 pin J0 parts have polarizing keys so that any given board fits only in its connector-coded slot. (Ordering ref: VME64xK).

Extensive Protection and Reliability
CM Backplanes support on or two 100W power sockets for optional micro-size DC/DC military converters with user defined output voltage. The converters are useful for increasing the +5VDC or +3.3VDC power lines or for generating isolated positive, negative or bipolar auxiliary DC voltages.

True Military monolithic Backplane incorporates active auxiliary electronics and is custom made to match the enclosure mechanics.

atr Class 1 military power connectors on Power Supply & Backplane offer shock & vibration reliable interconnectivity between chassis internal modules and allow high DC current rates with low voltage drops and minimum contact heating.

The last slot of our Backplanes allows for bus functionality, but also contains power and control provisions to accept a Eurocard-size metallically caged Redundant PSU. This single slot RPSU has the same capacity as the main PSU and both operate on a load-sharing basis to minimise component stress. An optional Temperature Supervisory Unit can be fitted on the RPSU for protecting card-cage electronics against or extreme climate conditions.

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