Figure 21: Tfio Module Housing; Table 9: Tfio Module Loading - ABB XSeriesG4 User Manual

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User manual (161 pages)

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Table of Contents

TFIO module specifications

The XRC

6490 supports up to three modules (see Table 9). The XRC

supports up to 14 modules. The XRC

be connected to the I

C bus. Since each module supports eight analog inputs, a total of 24 analog inputs can be added to the

C bus. Each module has capacity for up to 16 field terminations. Thus, for many modules eight points are supported, since two

terminations are generally required for each point.

Current design criteria dictates that module capacity must also be limited by the board's ability to provide power to the modules.

The following table indicates the maximum load capabilities.

All modules are designed to meet Class 1, Division 2, Group C and D Certification.

TFIO module hardware

The I/O module hardware is packaged in DIN mount enclosures that employ Phoenix contact technology for field wiring. The

modules also interconnect with each other to provide the necessary power and interface signals along their bus. Installation

consists of snapping the Phoenix connector onto the DIN rail and moving the module into position directly beside and snapped

to the next module. Likewise, in removing a module, it must first be separated from the module on either side then it can be

removed from the DIN rail.

All modules have four LED lights, a manual reset button, and a selectable address from zero through seven. On the face plate of

each module you will see:

–

Type of module (name and color coded)

–

LED light panel

–

Reset button switch

–

Module address selector

For additional information, please refer to the TFIO Module User's Manual (Part No.2101226-001).