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Allen-Bradley SLC 500 Installation And Operation Manual

Allen-Bradley SLC 500
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7–10
Wiring Your I/O Modules
Publication
1747-6.2
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
modules and the RTB are color-coded as follows:
Color Type of I/O Removable Terminal Block
Red AC inputs/outputs
Blue DC inputs/outputs
Orange relay outputs
Green specialty modules
Replacement terminal blocks are available if they are lost or
damaged. See the replacement part list in chapter 11.
Removing the RTB
Below are guidelines for removing the I/O Removable Terminal
Block.
!
ATTENTION: Never install or remove I/O modules
or terminal blocks while the SLC is powered.
1. If the I/O module is already installed in the chassis, remove
power to the SLC.
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. Label the RTB with appropriate slot, rack (chassis) and module
identification.
SLOT______RACK_____
_
MODULE______
Dot indicates terminal
number 0
(or top of I/O wiring).
Terminal Block Release
Screw
Terminal Block
Release Screw
Using the Removable
Terminal Block (RTB)
AB PLCs

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Allen-Bradley SLC 500 Specifications

General IconGeneral
Programming SoftwareRSLogix 500
Communication PortsRS-232, DH-485, DH+
Power Supply120/240V AC or 24V DC
Programming LanguagesLadder Logic
Operating Temperature0°C to 60°C (32°F to 140°F)
Relative Humidity5% to 95% (non-condensing)
Memory4K to 64K words (depending on the processor)

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