Allen Bradley Modules 1756-OB16I 1756OB16I AB 1756 OB16I ControlLogix output Module High reliability

Product Description

Allen Bradley Modules 1756-OB16I 1756OB16I AB 1756 OB16I ControlLogix output Module High reliability

Product Description:

The fuse on the 1746-OBP16 and 1746-OVP16 modules (shown on Location of Jumpers and Fuses for 1746-OBP16 and 1746-OVP16 Modules on page 9) provides short-circuit protection for 13 mm2 (16 AWG) or larger wiring to external loads. In the event of a short circuit on an output channel, it is likely that the transistor associated with that channel will be damaged. In this event, the module should be replaced or the load moved to a spare output channel.The fuse does not provide overload protection. In the event of an overload on an output channel,it is likely that the fuse will not blow and the transistor associated with that channel will be damaged. To provide overload protection for your application, user-supplied fuses should be installed externally and properly sized to match your individual load characteristics.

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Product's Character:

A fuse is provided on each common of the 1746-OAP12 module (shown on Location of Jumpers and Fuses for 1746-OAP12 Module on page 10) for a total of two fuses. The fuses are designed to protect the module from short-circuit conditions. The fuse does not provide overload protection. In the event of an overload on an output channel, it is likely that the fuse will not blow and the output device associated with that channel will be damaged. To provide overload protection for your application, user-supplied fuses should be installed externally. The recommended fuse for overload protection is SAN-O HT. Select the fuse rating according to your load. Do not use HT fuses rated higher than 2.0 Amps. Blown Fuse Diagnostics If the fuse blows on the 1746-OBP16, 1746-OVP16, or 1746-OAP12 module, the following
occurs:The blown fuse LED indicator will illuminate, provided power (5V DC via backplane and load power via external supply) is applied to the module. A processor error will occur if JP1 connects pins 2 and 3. 

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The use of the product: