Controller flexibility with KMC Conquest and HPO-6700 cards

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KMC ConquestTM controllers give you incredible flexibility, allowing you to use the controllers in a large variety of applications. The most versatile controllers in the Conquest lineup are the BAC-5900 series general purpose controller and the accompanying CAN-5900 expansion module. The biggest reason these are so versatile is the use of HPO-6700 series override boards. These boards come in five varieties with two Analog cards and three Digital cards, each with their own distinct application.

BAC 5901 HPO Card Inserted

It’s extremely easy to install an override board, also known as card. They are hot-swappable, a feature unique to KMC. Whether the controller is powered or not, flip open the cover, locate the slot for the output you’d like to install the card, pull the jumper out of that slot, and slide your card in.

All override boards come standard with a convenient “Hand-Off-Auto” switch, giving you manual access to an output when needed. Hand activates output power. Off deactivates output power. Auto runs the output’s application programmed into the controller from your BMS. Each override board has a red LED indicating when power is being supplied to the output, but this doesn’t necessarily mean the output equipment is on or off. For instance, if your output is connected to a normally-closed relay and you turn the “Hand-Off-Auto” switch to Off, you’ve just turned on the equipment. So like anything, make sure you fully understand each controller’s setup.

Choosing the correct board for your application and output type is critical in making sure your controller works properly and safely. The digital boards – 6701, 6703 and 6705 – are designed to control binary signals to a relay contact or Triac output. The analog cards, 6702 and 6704, are used for outputs using either a 0-10 volt signal or a 4-20 milliamps signal. These also have an adjustable potentiometer.

As far as the digital boards, the 6701 is our Triac card with zero-cross switching. This card is typically used for any binary output requiring AC current. This is our most popular override board, as Triac relays typically last longer and work faster than mechanical relays. The 6703 is a relay override card with normally open contacts, capable of AC and DC outputs. The 6705 is just like it, except it has a normally closed configuration.

For the analog cards, the HPO-6702 uses a 0-10 volt current with an adjustable override potentiometer. The HPO-6704 is very similar to the 6702 with the only difference is it uses a 4-20 mA signal at a 10 volt current loop. If your output requires volts, use the 6702; if mA, use the 6704. Both are powered internally by the controller, unlike digital override cards that require additional power to the Switched Common.

HPO 6701 2The BAC-5900 general purpose controller and the HPO 6700 override boards offer great flexibility. Mix and match as your system requires, and maintain your equipment with unprecedented ease.

For more information on the BAC-5900 series controllers, click here. To learn more about the HPO-6700 series, click here.