Siemens AG AT18 - Manual (Page 2)


Condensed Operating Manual for Door Control Unit AT8
1 Overview of operating elements
Substructure group AT8:
X1: Auxiliary module flat cable connection
X3: Mains current transformer connection
X4: Current output 4V / 0.4A
X5: Emergency power module input signal
X6: Input signals connection
- Light barrier
- Nudge
- Close
- Open
X7: Motor plug
X8: Connection for user terminal and USB
adapter (AT Frontend PC)
H5000: 7-segment display for door status
and error code
S5000: Door parameter button
S500: Service button “OPEN”
S500: Service button “CLOSE”
Relay module (Option):
X: Relay output “CLOSE”
X: Relay output “Reversed”
X3: Relay output “OPEN”
X4: Flat cable connection to the control
unit
Terminal module (Option):
X5: Flat cable connection to the control
unit
H: LCD-Display
S-S4: Operating button for terminal
Illustration  module