Optional Rs-485 Interface; Emergency Battery Power Supply Button - TechWind SDK-500 User Manual

3.11. OPTIONAL RS-485 INTERFACE

4
3
J6
2
1
Fig. 3.12.
Figure 3.12 shows the connections of the RS-485 communication interface used for
connecting the SDK-500 with other elevator controller products from TechWind. The following
functions are available via the RS-485 interface:
• open/close door control
• continuous current consumption monitoring
• momentary door speed read-out
• detailed information about current door position
• monitoring of mechanical resistance during the door movement
• controller parameters read

3.12. EMERGENCY BATTERY POWER SUPPLY BUTTON

[RUN ON BATTERY] button allows to switch on the emergency battery
RUN
ON
power supply.
BATTERY
The SDK-500 controller is equipped with the input for back-up battery power supply
connection. It allows the controller to continue operation and open the door in the case of
mains failure. To prevent damage to the battery, SDK-500 will automatically shut down and
disconnect the battery after battery voltage drops below certain level (19V) or door is fully
open, but not earlier than 120 sec. after last keyboard use. Every keyboard use cause to
extend run on battery by next 120 seconds. In order to resume the SDK-500 operation on
battery power, press the [RUN ON BATTERY] button located on the front panel of the
controller housing (on the right side of LCD display).
14
User's manual for
GND
B -
A +
RS-485 interface connection of SDK-500 controller
elevator door controller
Converter
RS232/485
or USB/485
SDK-500