Transitioning To A Communication State - Mitsubishi Electric MELSEC iQ-R Series User Manual

9.14

Transitioning to a Communication State

Series
MELSEC-Q series
MELSEC iQ-R series
The communication state is managed according to the communication model state of GEM. The following three control
methods can be selected by SECS/GEM communication software.
Control method
AUTO
SEMI-AUTO
MANUAL
Usage method
■Enabling or disabling communication
Communication can be enabled or disabled by an operator.
Configure the setting from the screen displayed by the [State Change] tab of the "Communication State Settings" screen.
( Page 183 State Change)
Select the "ENABLED/DISABLED" checkbox, and then configure a switching relay for enabling or disabling communication.
Communication is enabled or disabled when the relay is on or off, respectively.
■Communication state control settings
Configure the setting at the [Control] tab of the "Communication state settings" screen. ( Page 183 Control)
Select the control method. With a setting other than AUTO, configure the communication establishment request relay.
The communication state can be saved in a state variable in the settings at the [State Notification] tab of the
"Communication State Settings" screen.
9 SECS/GEM COMMUNICATION SOFTWARE KNOWLEDGE
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9.14 Transitioning to a Communication State
SECS/GEM communication software
Non-GEM version
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Function
The SECS/GEM communication software controls the communication state automatically according to the
communication state model of GEM.
The SECS/GEM communication software controls the communication state automatically only while the
communication establishment request relay is ON.
A communication establishment request message (S1F13) is sent when triggered by the communications
establishment request relay switching ON.
If a communication establishment request confirmation message (S1F14) is received, the state transitions to a
communication establishment state.
The SECS/GEM communication software switches OFF the communications establishment request relay.
GEM version
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GEM advanced version
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