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Fieldbus equipment

MTL AS-i Megablock wiring hub range

Crouse-Hinds series MTL AS-i Megablocks are DIN-rail mounted passive hubs for the AS-i network. They connect several AS-i devices to the network trunk cable and provide short circuit protection to the segment. The AS–i Megablock itself does not contain an AS–i chip or communicate over the AS–i network, so it consumes no network communication resources (bandwidth, slave addresses, etc.). They are used to interconnect AS–i master and slave devices that do contain AS–i chips.

Megablocks minimize hand wiring and allow individual devices to be added to and removed from the segment without disrupting network communication. The integrated SpurGuard™ provides short circuit protection for the segment.

Two models are available

  • A101: 4-drop AS-i Megablock with integrated SpurGuard™ short circuit protection
  • A103: 8-way AS-i Megablock with integrated SpurGuard™ short circuit protection

Certifications and compliances

ATEX (Europe):

  • Ex II 3G Ex nA IIC T4 Gc

FM (USA):

  • Class I Division 2, Groups A, B, C, D T4
  • Class 1 Zone 2 Group IIC
  • Operating temperature range:  -45°C to +70°C

Design features

  • AS-i bus wiring for the process industry environment
  • SpurGuard™ short circuit protection with visual fault detection
  • Plug-in connectors for fast commissioning and maintenance
  • Choice of junction box to meet site requirements
  • Green power LED on each unit indicates whether DC power is present
  • A red Fault LED provides visual indication that AS–i Megablock has diagnosed an internal failure

Standard materials

  • Housing:  Lexan Polycarbonate
Especificaciones

Ordering Information

Part Number Description
A101 4-drop AS-i Megablock with integrated SpurGuard™ short circuit protection
A103 8-drop AS-i Megablock with integrated SpurGuard™ short circuit protection
ETL7000 Heavy Duty DIN rail end stop
THR7000 35 mm DIN Rail, 1m length
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