5 Function blocks
5.21 MR, master reset
218 Control Relay easy800 11/11 MN04902001Z-EN www.eaton.com
5.21 MR, master reset
The master reset function block allows you to reset the states of the markers
and all outputs to 0 with a single command. The operating mode of the
function block allows you to set whether only the outputs, only the markers
or outputs and markers are to be reset.
easy800 device allows the use of up to 32 master reset function blocks.
5.21.0.1 Contacts and Coils
Example of a master reset function block
Figure 156:Wiring the trigger coil
The trigger coil is connected to a device input.
Figure 157:Wiring the contacts
The message of the function block is sent to a marker.
Parametric programming of the function block inputs/outputs
When using the function block in the circuit diagram for the first time, use
OK to automatically enter the general display of function block parameters,
as shown in the figure on the left. Enter the function block settings here.
The display contains the following elements:
Contacts
Meaning
MR..Q1 1 on activated trigger signal
Coils
Function
MR..T_ Function block reset on rising edge
MR16 Function block: Master reset, number 16
Q
Operating mode: Reset outputs
+
Parameter set can be called via the PARAMETERS menu
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