1715-OF8I analog output module part of Allen-Bradley’s redundant I/O system

1715-OF8I

Allen-Bradley 1715-OF8I is an analog output module from the Redundant I/O system of Allen-Bradley. This module features Eight (8) current output channels providing 4-20 mA standard signal which can be used to drive modulating devices such as control valves, dampers, louvers, positioners, and Variable Frequency Drives (VFD). It may also be used for signal retransmission for further integration or reprocessing of data loggers, panel meters, and single-loop controllers. The 1715-OF8I is intended for use in applications with a high level of criticality and high availability from controller level up to I/O level. This module has a modular assembly and requires the use of separate termination module and base modules specifically, 1715-TADOF8 or 1715-A310 module base and 1715-TASOF8 respectively. The 1715-OF8I has a Data Input value least significant bit (control) of 0.98 ?A and Data Output value least significant bit (monitor) 3.9 ?A. Each channel exhibits a measurement error of 0.30% + 10 ?A after a year of operating at an environment of 40 º C (104 º F); 0.35% + 10 ?A after the 2nd year of operation and 0.44% + 10 ?A after 5 years of operation. It has temperature drift of (0.01% + 0.1 ?A) per º C. This module comes with LED status indicators which include Healthy, Ready, and Run as well as individual channel LED indictors for depicting the energization state of each channel. The module’s operating voltage range is 18-32 VDC with a backplane current draw of 260 mA. It also has a maximum power dissipation of 3.6 Watts and field loop power dissipation of 0.64 Watts.

The 1715-OF8I is a redundant I/O module and it is manufactured by Allen-Bradley, a division of Rockwell Automation. The 1715-OF8I is classified under the 1715 series of the redundant I/O modules by Allen-Bradley. The 1715-OF8I weighs 340 grams and it comes with shipping dimensions of 166 x 42 x 118 millimeters. The 1715-OF8I comes as an 8-channel module with the backplane current of 260 mA at 18 to 32 Volts DC. The signal current range for the 1715-OF8I is 4 to 20 mA and it comes with a continuous isolation voltage of 50 Volts. The basic insulation type for the 1715-OF8I is I/O ports to the backplane. The module comes with 50 Volts of isolation between the individual I/O ports. The 1715-OF8I has been type-tested at 500 Volts AC for 60 seconds and the power rating comes in at less than 2 Watts.

The 1715-OF8I redundant I/O module comes with a power dissipation of 3.6 Watts maximum and it has an operating voltage of 18 to 32 Volts DC. The 1715-OF8I features as an 8-point isolated analog output module and it comes with the 22 to 16 AWG wire size. The wiring style for the 1715-OF8I is the shielded wire type. The 1715-OF8I comes with a display module that acts as the health and status monitor module. The connection cables for the 1715-OF8I are 22 to 16 AWG solid or stranded copper wire. The mounting type for the 1715-OF8I is the DIN rail mounting type. The operating environment for the 1715-OF8I is 13 to 158 degrees Fahrenheit and the relative non-condensing humidity range is 5 to 95%.

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