Front Panel Components
Original instructions
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Overview
This section contains an illustration of the front panel of the 170 AMM 090 00 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
Ground contact for the adapter
3
LED status display
4
Protective cover
5
Mounting holes for panel mount
6
Grounding screw
7
Busbar Mounting Slot
8
Locking tab for DIN rail mount
9
Sockets for the terminal connectors
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 is ready to communicate on network. Operating voltage for internal logic is present and self-test has been passed.
Off
Module is not ready.
1L+
Green
Supply voltage for outputs 1, 2 applied.
Off
Supply voltage for outputs 1, 2 not applied.
Top row
13 ... 16
Green
Discrete input status (an LED per input).
Input point active, i.e. input carries "1" signal (logically "ON").
Off
Discrete input status (an LED per input).
Input point inactive, i.e. input carries "0" signal (logically "OFF").
Middle row
13 , 14
Green
Discrete output status (an LED per output).
Output point active, i.e. output carries "1" signal (logically "ON").
Off
Discrete output status (an LED per output).
Output point inactive, i.e. output carries "0" signal (logically "OFF").
Bottom row
13 , 14
Red
Discrete output overload (one LED per output).
Output concerned short-circuited or overloaded.
Off
Discrete outputs 1 ... 2 operating normally.