The Allen-Bradley 1797-ACNR15 Flex Ex ControlNet media adapter is engineered for challenging environments requiring intrinsic safety compliance. Designed for seamless communication with Flex Ex I/O modules, this adapter supports up to eight modules and 128 I/O points. Featuring dual ControlNet ports optimized for Ex redundant networks, it operates at a robust 5 Mbps communication rate with a maximum power dissipation of 8.5 watts. It includes integrated LED indicators for real-time status updates and is housed in an IP20 enclosure suitable for DIN rail mounting with zinc-plate-yellow-chromate steel. With intrinsic safety output and galvanic isolation, it facilitates secure data transmission while maintaining operational safety in hazardous locations.
Technical specifications for 1797-ACNR15
Manufacturer
Rockwell Automation
Part Number/Catalog No.
1797-ACNR15
Brand
Allen-Bradley
Product Description:
1797 Flex Ex Redundant ControlNet Adapter Module
Part Number:
1797-ACNR 15
Communication Port:
Two (2) ControlNet BNC
IS Media type:
Ex ib IIB/IIC T4; AEx ib IIC T4; Class I, Division 1 Groups A-G T4
IS Module Type:
Ex ib IIB/IIC T4; AEx ib IIC T4; Class I Division 1 Groups A-D T4
Indicators:
Comm A: red/grn; Comm B: red/grn; Module Status: red/grn; Power: grn
Mounting:
DIN Rail
ControlNet Protocol:
V 1.5
ControlNet cable:
Allen-Bradley RG-6/U Quad shield coax part number 1786-RG6 (standard-PVC CM-CL2) or 1786-RG6F/A (high-flex)
Wire Size:
3.31 mm2 (12 AWG) stranded max 1.2 mm (3/64 in.), insulation, max
Operating Temperature:
-20…70 °C (-4…158 °F)
Surrounding Temperature:
-40…85 °C (-40…185 °F)
Vibration:
Tested 2 g @ 10…500 Hz per IEC 68-2-6
Operating Shock:
Tested 15 g peak acceleration, 11 ( ±1) ms pulse width
