124
5 PART NAMES
5
PART NAMES
This chapter describes the part names of the I/O module with diagnostic functions.
No.
Name
Description
(1)
RUN LED
Displays the operating status.
On: Operating
Off: When 5V power supply was disconnected or a watchdog timer error occurred
(2)
ERR LED
This part is combined with an I/O status indicator LED to display the error occurrence status at each I/O
terminal.
On: An error occurred (minor error).
Flashing: An error occurred (moderate error).
Off: Normal operation
(3)
ALM LED
Depending on "LED display settings during an error", displays the wait-for-restart state after the safety
module is enabled or the error occurrence state.
• When "Do not display I/O error" is set
Flashing (400ms cycle): Wait-for-restart
Off: Normal operation
• When "Always display I/O error" or "Display I/O status and error switching (1 second interval)" is set
A minor error occurrence can be checked.
Page 181 LED indication setting on error condition
(4)
S MODE LED
Displays the module operating status (related to SIL2 mode).
On: Safety I/O in operation
Flashing (1s cycle): Safety I/O stopped
Flashing (400ms cycle): Executing the module position check
Off: Operating in normal mode
(5)
I/O status indicator LED
Depending on "LED display settings during an error", displays the I/O status or error occurrence status of
each I/O terminal.
• When "Do not display I/O error" is set
On: I/O signal turned on
Off: I/O signal turned off
• When "Always display I/O error" or "Display I/O status and error switching (1 second interval)" is set
The I/O where a minor error occurred can be identified.
Page 181 LED indication setting on error condition
(6)
Module identification lamp
Light gray: Input
Dark orange: Output
(7)
Rating indication
Displays the rated voltage and the input or output current.
(8)
Terminal block
18-point screw terminal block. For details on its terminal layout, refer to the following.
Page 126 Performance Specifications
(9)
Terminal block cover
Cover to protect from electric shocks when the power is turned on
(10)
Terminal block for test pulse output
Terminal block used for test pulse output. For details, refer to the following.
Page 143 Wiring the terminal block for test pulse output
(11)
Production information marking
Displays the production information (16 digits) about the module.
(1)
(2)
(3)
(5)
(4)
(6)
(7)
(8)
(11)
(9)
(1)
(2)
(3)
(5)
(4)
(6)
(7)
(8)
(11)
(10)
(9)
Summary of Contents for MELSEC iQ-RX40NC6B
Page 1: ...MELSEC iQ R I O Module With Diagnostic Functions User s Manual Application RX40NC6B RY40PT5B ...
Page 2: ......
Page 125: ...4 OVERVIEW 123 4 MEMO ...
Page 191: ...12 MAINTENANCE AND INSPECTION 189 12 MEMO ...
Page 227: ......