ACU-100 SATEL
11
If properly connected, the keypad will display a message, the upper line of which will include
the device name and program version info. If the TROUBLE LED goes on in the keypad, one
of the functional outputs is active. In order to start the service mode, the service code must
be entered. The service mode is indicated by lighting of the SERVICE LED.
Fig. 3. Sequence of wires in the plug connecting LCD keypad with controller.
If the a.m. message fails to appear on the display after connection, you should:
−
check that the option of programming by means of LCD keypad has been selected on the
controller DIP-switches;
−
check that the cables connecting the keypad with controller have been properly connected;
−
check that address 0 has been set in the LCD keypad.
In order to check the keypad address and, if necessary, to change it:
1. Disconnect the +KPD keypad power supply and the data bus cables (CKM, DTM).
2. Short the CKM, DTM keypad terminals.
3. Connect the keypad power supply.
4. The keypad address will be displayed:
Fig. 4. Programming the keypad address
5. Change the address to 0, if necessary. The keypad will acknowledge performance of the
function with four short and one long beeps.
6. Connect the keypad to the ACU-100 controller as required (CKM, DTM).
4.3 C
ONNECTING COMPUTER TO THE CONTROLLER
If the ACU-100 controller is to be programmed by means of a computer, the computer must
be connected to the RS-232 port.
Notes:
•
Do not short or touch the RS-232 port with your fingers.
view of plug in
the socket
view of plug from
the pins side
n=0...7,
current address of the keypad
