HST HST3100 (IN) Parking Barrier Gate ACC

Key Components

• Connectors (Terminal Blocks): A prominent row of black screw-down terminal blocks is located along the bottom and right side for connecting external devices (eg, locks, card readers, exit buttons, sensors).

• Relays: There is an array of large black electromagnetic relays (approximately 8 of them), which are used for switching high-current loads or providing isolated outputs.

• DIP Switches: Multiple sets of small blue DIP switches are visible, typically used to set the board's address, configuration, or operational modes.

• Networking: A MAC Address label is present on the top left, suggesting the board has network connectivity (eg, Ethernet/IP capabilities).

• Real-Time Clock (RTC): A small coin cell battery (CR2032) is installed, usually powering a non-volatile memory or the Real-Time Clock function.

• Other Components: The board is populated with various integrated circuits (ICs), resistors, and capacitors.