Product Line: Flex I/O 1797

Model / Part Number: 1797-ACNR15

Weight: 1.31 lbs (0.60 kg)

Communication Ports: 2 × ControlNet BNC

ControlNet Protocol: Version 1.5

ControlNet Cable:

Standard: 1786-RG6 (PVC CM-CL2)

High-flex: 1786-RG6F/A

Wire Size: Max 3.31 mm² (12 AWG) stranded, 1.2 mm insulation

Mounting: DIN Rail

Operating Temperature: -20°C to +70°C (-4°F to +158°F)

Surrounding Temperature: -40°C to +85°C (-40°F to +185°F)

Vibration Tolerance: 2 g @ 10–500 Hz per IEC 68-2-6

Operating Shock: 15 g peak acceleration, 11 ms pulse width

I/O Capacity: 8

Communication Rate: 5 Mbps

Output Power: 5.4 VDC

Power Supply: 9.5 VDC

Power Consumption: 8.5 W

Power Dissipation: 8.5 W

Thermal Dissipation: 29 BTU/hour

The 1797-ACNR15 is a Flex Ex ControlNet media adapter. This module is designed for use with the Flex Ex I/O modules which are specifically compatible for use in hazardous locations that require adherence to a specific level of Intrinsic safety.

The 1797-ACN15 function similarly to a standard ControlNet communication adapter. This module comes with Two (2) ControlNet ports for connection of ControlNet coaxial media cable. It supports linear ControlNet media however, the 1797-ACNR15 is specifically designed for implementation of ControlNet Ex redundant network.

The 1797-ACNR15 supports installation of up to Eight (8) Flex Ex I/O modules. It has IS media type of Ex ib IIB/IIC T4; AEx ib IIC T4; Class I, Division 1 Groups A-G T4 and IS module type of Ex ib IIB/IIC T4, AEx ib IIC T4, Class I Division 1 Groups A-D T4. It supports standard communication rate of 5Mbps with built-in indicators such as Comm A red/grn; Comm B red/grn; Module Status red/grn and Power grn.

The 1797-ACNR15 has a power consumption of 8.5 W, Power dissipation of 8.5 W, Thermal dissipation of 29 BTU/hr. When terminating incoming wires to this module, recommended conductor wire size is 4 mm2 (12 gauge) stranded copper wire with maximum insulation thickness of 1.2 mm (3/64 in.).

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