EUCHNER STP-TW AS1 Series, Operating Instructions Manual, Page: 9 / 10

9
Operating Instructions
Safety Switch STP-TW…AS1 (Twin)
Status table
Programming State D0, D1 D2, D3 Monitor diagnosis
Dual channel
conditionally dependent
Safety guard closed and locked
Code sequence Green
Safety guard closed and not locked Half‑sequence 00 Yellow flashing
Invalid state
(safety guard open, guard locking active)
00 Half‑sequence
Red flashing
(monitoring of the invalid state)
Safety guard open 00 00 Red
Address 0 or communication disrupted – Gray
Dual channel
independent
Safety guard closed and locked
Code sequence Green
Safety guard closed and not locked Half‑sequence 00 Red
Invalid state
(safety guard open, guard locking active)
00 Half‑sequence Red
Safety guard open 00 00 Red
Address 0 or communication disrupted – Gray
Dual channel
dependent
Synchronization time
infinite ∞
Safety guard closed and locked
Code sequence
Green if safety guard was previously open or yellow flashing after
startup if only the guard locking was open.
Safety guard closed and not locked Half‑sequence 00
Yellow flashing if safety guard was previously closed.
Red if safety guard was previously open.
Invalid state
(safety guard open, guard locking active)
00 Half‑sequence
Yellow flashing if safety guard was previously closed.
Red if safety guard was previously open.
Safety guard open 00 00 Red
Address 0 or communication disrupted – Gray