Honeywell XDL505 Application Module Excel 500 PLC Module For Industrial Automation

Honeywell XDL505 Application Module Excel 500 PLC Module For Industrial Automation

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The XDL505 application module features a DIP switch for the C-Bus to set the bus termination appropriate for the communication speed.

The contrast of the display can be adjusted, using a screwdriver, by rotating the corresponding knob accessible through a hole at the rear of the device. Pressing any of the eight operating keys activates the backlight. If no entries are made for approx. ten minutes, the backlight turns itself off automatically until a key is pressed again.

During normal operation, the battery is periodically tested under load. If the battery voltage falls below a threshold of 2.45 V during operation or under load, the CPU module generates an error message which is displayed on the MMI as a system alarm. The battery must be replaced as soon as possible after the system alarm.

Before dismantling the controller, the low voltage switch S1 of the power supply module must be switched OFF. To dismantle the control panel unit, reverse the steps of the installation procedure. To release the lockingscrews in order to remove the wiring base, turn them clockwise.