Honeywell 51309241-175 Battery Extension PLC Module is a battery extension accessory for Honeywell PLC systems. It is identified as the TK-PPD011 Battery Extension PLC Module (WL26-2), tying the part number 51309241-175 to the TK-PPD011 configuration. Designed for integration with compatible TK-PPD011 installations, it supports extended battery functionality within the PLC hardware.
