1 PART NAMES
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1
1 PART NAMES
This chapter describes the part names of temperature input modules.
*1 For details, refer to the following.
MELSEC iQ-R Channel Isolated Thermocouple Input Module/Channel Isolated RTD Input Module User's Manual (Application)
No. Name Description
(1) RUN LED Indicates the operating status of the module.
On: Normal operation
Flashing (1s cycle): In offset/gain setting mode
Flashing (400ms cycle): The module for online module change selected
Off: 5V power supply interrupted or watchdog timer error occurred, module change for online module
change possible
(2) ERR LED Indicates the error status of the module.
On: Error occurred
*1
Off: Normal operation
(3) ALM LED Indicates the alarm status of the module.
On: Alert (process alarm or rate alarm) issued
Flashing: Disconnection detected
Off: Normal operation
(4) Connector for external devices A connector for input signal wires of external devices and others
For the signal layout, refer to the following.
Page 24 Signal layout of connectors for external devices
(5) Production information marking Shows the product information (16 digits) of the module.
(2)(1)
(5)
(3)
(2)(1)
(5)
(3)
(4) (4)