
20
Programming
Status
D0, D1
D2, D3
Monitor
diagnostics
dual-channel
independent
protective equipment
closed and locked
code sequence
green
protective equipment
closed but not locked
half-
sequence
00
red
invalid state
(protective equipment
open, guard locking
active)
00
half-
sequence
red
protective equipment
open
00
00
red
address 0 or
communication
disturbed
—
grey