Automation Direct DL06 Aan de slag - Pagina 6

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Chapter 1: Getting Started

Module LED Indicator

Most discrete I/O Option modules have an LED indicator. The indicator flickers or stays

constant while the CPU is accessing the module, whether in program mode or run mode. It

is not a diagnostics indicator, therefore the on status is not an indication the I/O module is

functioning properly.

The DL06 has four option card slots. To determine whether the combination of cards you

select will have sufficient power, you will need to perform a power budget calculation.

Power supplied

Power is supplied from two sources, the internal base unit power supply and, if required, an

external supply (customer furnished). The D0-06xx (AC powered) PLCs supply a limited

amount of 24VDC power. The 24VDC output can be used to power external devices. For

power budgeting, start by considering the power supplied by the base unit. All DL06 PLCs

supply the same amount of 5VDC power. Only the AC units offer 24VDC auxiliary power.

Be aware of the trade-off between 5VDC power and 24VDC power. The amount of 5VDC

power available depends on the amount of 24VDC power being used, and the amount of

24VDC power available depends on the amount of 5VDC power consumed. Determine the

amount of internally supplied power from the table on the following page.

Power required by base unit

Because of the different I/O configurations available in the DL06 family, the power

consumed by the base unit itself varies from model to model. Subtract the amount of power

required by the base unit from the amount of power supplied by the base unit. Be sure to

subtract 5VDC and 24VDC amounts.

Power required by option cards

Next, subtract the amount of power required by the option cards you are planning to use.

Again, remember to subtract both 5VDC and 24VDC. If your power budget analysis shows

surplus power available, you should have a workable configuration.

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DL05/06 Option Modules User Manual; 7th Ed. Rev. C