Rockwell-automation 1747-ACNR15 ControlNet Adapter Module User Manual Uživatelský manuál stáhnout pdf (Strana 124)

Publication 1747-UM003A-EN-P

B-32 Understanding Your SLC 500/1746 Control System

Using Removable Terminal Blocks

The Removable Terminal Block (RTB) is provided on all 12-point and

16-point discrete I/O modules and analog modules. They allow for faster and

more convenient wiring of the I/O modules. The RTBs and modules are

color-coded as follows:

Replacement terminal blocks are available if they are lost or damaged.

Removing the RTB

Below are guidelines for removing the RTB.

1. If the I/O module is already installed in the chassis, disconnect power.

2. Unscrew the upper right and lower left terminal block release screws.

3. Grasp the RTB with your thumb and forefinger and pull straight out.

4. Write the appropriate slot, chassis, and module type on the RTB label.

Table B.4 RTB Color-Coding Definitions

If the color is: Then the RTB is for:

red ac inputs/outputs

blue dc inputs/outputs

orange relay outputs

green specialty modules

black These I/O wiring terminal blocks are not removable.

ATTENTION

Disconnect power before attempting to install or remove

I/O modules or their terminal blocks.

SLOT______RACK______

w MODULE______

Terminal Block

Release Screw

Terminal Block

Release Screw

Dot indicates terminal

number 0 (or top of I/O

wiring).

1 2 ... 119 120 121 122 123 124 125 126 127 128 129 ... 139 140

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Rockwell-automation 1747-ACNR15 ControlNet Adapter Module User Manual Uživatelský manuál Strana 124