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Function Block Overview Section 8-2
8-2 Function Block Overview
User programming for the NE1A-series Controller is accomplished using func-
tion blocks. Various safety applications can be achieved by using the function
blocks described in this section to program operation to be compliant with
safety standards.
8-2-1 Supported Function Blocks
The following tables show which logic functions and function blocks are sup-
ported in each NE1A-series Controller.
Logic Functions
Function Blocks
Name Notation in function list Compatible unit versions
NOT NOT All
AND AND All
OR OR All
Exclusive OR EXOR All
Exclusive NOR EXNOR All
Reset Set Flip-flop RS-FF Unit version 1.0 or later
(including Controllers that
support EtherNet/IP)
Comparator Comparator
Name Notation in function list Compatible unit versions
Reset Reset All
Restart Restart All
Emergency Stop Pushbutton
Monitoring
E-STOP All
Light Curtain Monitoring Light Curtain Monitoring All
Safety Gate Monitoring Safety Gate Monitoring All
Two-hand Controller Two Hand Controller All
OFF-Delay Timer Off-Delay Timer All
ON-Delay Timer On-Delay Timer All
User Mode Switch User Mode Switch All
External Device Monitoring EDM All
Routing Routing All
Muting Muting Unit version 1.0 or later
(including Controllers that
support EtherNet/IP)
Enable Switch Enable Switch
Pulse Generator Pulse Generator
Counter Counter
Multi Connector Multi Connector
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