Front Panel Components
Original instructions
Overview
This section contains a photograph of the front panel of the 170 ADM 540 80 I/O base and a description of the LEDs.
Front Panel Illustration
The front panel of the I/O base is shown in the illustration below.
Components of the I/O module
Label
Description
1
Internal interface (ATI) connector
2
Locking and ground contact for the adapter
3
LED status display
4
Protective cover
5
Sockets for the terminal connectors
6
Grounding screw
7
Busbar mounting slot
8
Locking tab for DIN rail mount
9
Mounting holes for panel mount
LED Illustration
The LEDs are shown in the illustration below.
LED Descriptions
The LEDs are described in the table below.
Indicator
Condition
Message
Ready
Green
Module has power.
Off
Module has no power. Check the L1 voltage source.
FUSE
Green
Output voltage present and fuse 1 (group output) and field power is OK.
Off
Output voltage not present or fuse 1 or field power is not OK.
IN
1 ... 6
Green
Input status (an LED per input); input point active.
Off
Input status (an LED per input); input point inactive.
OUT
1 ... 3
Green
Output status (an LED per output); output point active.
Off
Output status (an LED per output); output point inactive.