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Honeywell霍尼韦尔Alerton现场DDC控制器VLCA-1688 Honeywell霍尼韦尔Alerton现场DDC控制器VLCA-1688 VLCA-1688VLCA-1688 Alerton’s VLCA-1688 is an advancedapplication controller (AAC; BTL listing is pending) with a high resolution12-bit A/D; D/A converter and new, 32-bit processor and real-time clock thatsupports its own schedules, trendlogs and alarms. The VLCA-1688 includesmonitored on-board Hand-Off-Auto (HOA) switches, Ethernet or MS/TPconnectivity, and additional math functions beyond the standard VLC. It alsoleverages new DDC Function blocks such as an astronomical clock and wet bulbcalculator. With 16 universal inputs, the VLCA-1688 economically fills the gapbetween the VLC-1188 and a VLX with EXP modules in an Alerton system. Feature and Benefits Accessories Documents VLCA-1688 Capable 16 universal inputs, eight binary outputsand eight analog outputs. Interoperable 10Base-T/100Base-Tx BACnet/ Ethernet orBACnet/IP LAN or BACnet MS/TP LAN at up to 115.2 Kbps. Flexible HOA switches and potentiometers provideability to perform manual overrides of binary and analog outputs. Powerful Complex DDC control logic math and analogfunctions monitored by software. Fast User-selectable internal logic loop of 50mS or 100 mS. Reliable Extensive on-board filtering, with allprogram and configuration data backed up in nonvolatile flash memory.
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