TWI Series Two-Wire Interface
SiteControl only

The Two-Wire Interface (TWI) serves as an interface between the Central Controller and ESP-SAT Satellite Controller on the SiteControl System.

Features

• TWI operates up to 28 satellite controllers, pulse decoders or sensor decoders per wire group.
• TWI comes standard with one wire-path, upgradeable to 4 wire paths with the purchase of an “additional wire path” module.
• Available in either 2-wire or MAXILink™ wireless communication to satellite controllers and sensors.
• UL-Listed
• Wall Mount: drawn steel, seamless, cabinet with hinged front panel
• Computer data path: hardwire
• Satellite data path: hardwire/2-wire path (1500 Ω resistance) or MAXILink™ wireless radio path (MAX 2 watt GRP Narrowband)

Electrical Specifications

TWI Hardwire

• Output: 2 x 26.5VAC @ 0.9A 60/50Hz or 4 x 26.5VAC @ 0.9A 50/60Hz
• Circuit Breaker: NA (Autoresettable)

TWI Link

• Input required: 120VAC ± 10% @ 1.25A 60/50Hz or 220/230/240VAC ± 10% @ .5A 50/60Hz
• Output: NA
• Circuit Breaker: NA
• Grounding: All TWI’s shall be grounded to a 10-ohm or less earth ground

Dimensions

• Width: 15 ½” (39,4 cm)
• Height: 12 ½" (31,7 cm)
• Depth: 6" (15,2 cm)

Models

• TWISAT
• TWISATL
  
  220/240/260 VAC (50 Hz)
• ITWISAT
• ITWISATL