26
Nomenclature and Functions Section 2-1
NE1A-SCPU02-V1
Terminal name Description
V0 Power supply terminal for internal circuits
The two V0 terminals are connected internally.
G0 Power supply terminal for internal circuits
The two G0 terminals are connected internally.
V1 Power supply terminal for external input devices and test outputs
G Power supply terminal for external input devices and test outputs
V2 Power supply terminal for external output devices
G Power supply terminal for external output devices
IN0 to IN39 Safety input terminals
T0 to T3 Test output terminals used to connect with safety inputs IN0 to IN19. Each test out-
put terminal outputs a different test pulse pattern. Terminal T3 also supports a cur-
rent monitoring function for the output signal, for example, for a muting lamp.
T4 to T7 Test output terminals used to connect with safety inputs IN20 to IN39. Each test
output terminal outputs a different test pulse pattern. Terminal T7 also supports a
current monitoring function for the output signal, for example, for a muting lamp.
OUT0 to OUT7 Safety output terminals
Internal circuits
DC-DC converter
not isolated
DeviceNet
physical layer
Safety output circuits
Safety input and test
output circuits
DC-DC
converter
isolated
24 VDC
24 VDC
24 VDC
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