Orion ISS
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S2000-K Testing Procedure
For testing operability of the S2000-K, wire the keypad as shown in Figure 14. Two resistors of 220 Ω
and 0.125 W, R1 and R2, shall be brought between the S2000/S2000M console and the S2000-K
keypad as shown in the diagram in order to introduce damping into the communication line between
the devices.
The keypad pre-operation time doesn’t exceed three seconds.
1. Establish the test set-up as shown in Figure 14, not connecting wires of the RS-485 bus to
terminal blocks of the S2000(M) console. Set the keypad power supply voltage equal to (10.2
± 0.3) V.
2. Turn the S2000-K power supply on. The keypad sounder shall make a beep. The keypad LCD
and keys shall backlight. The keypad LED shall flash once per a second, the keypad LCD dis-
playing NO RS485 LINE.
3. Press any key on the keypad. A beep shall follow pressing the key.
4. Connect wires of the RS-485 interface bus to the terminal blocks of the S2000/S2000M con-
sole. The console shall indicate having found the device with the current address of the
S2000-K followed by resetting this device within a minute.
5. Press the keypad tamper switch and keep it pressed for at least 15 s; then release this one.
The S2000(M) console shall receive a tamper alarm from the keypad. Then press the keypad
tamper switch once more and hold it until the console receives a tamper restored notification
from the keypad.
6. Measure the current consumed by the S2000-K. The value shall not exceed 80 мА.
7. Set the keypad input voltage to 28 V. Repeat the test from the Step 2. The measured current
consumed by the S2000-K shall not exceed 30 мА.
8. Write the results of the inspection of the S2000-K into a keypad maintenance log book.
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