Siemens SIMATIC ET 200SP CM 1xDALI - Dali_Dev_Identify

Programming
5.4 Addressing function blocks
ET 200SP Communication module CM 1xDALI (6ES7137-6CA00-0BU0)
34 Manual, 06/2019, A5E46959434-AA
5.4.2
DALI_DEV_IDENTIFY
Description
DALI_DEV_IDENTIFY
is used for identifying devices.
If the control gear does not support the DALI command IDENTIFY, this function provides a
light flicker method to identify the device by setting the level to maximum and minimum
alternately.
Note
The output resets, onl
y if both the CANCEL and IDENTIFY are set to 0.
Parameter
The following table shows the parameters of the function block:
Parameter
Declaration
Data type
Memory
area
Description
IDENTIFY Input BOOL I, Q, M, D,
L or Con-
stant
Identify the devices upon a rising edge.
DEV_TYP
E
USInt I, Q, M, D,
L or Con-
stant
Select the device type:
• 1: Control gear
• 2: Input device (Sensor)
GROUP BOOL I, Q, M, D,
L or Con-
stant
Specify the short address or group address of the control gear:
• GROUP = 0: ADDRESS indicates the short address or broadcast.
• GROUP = 1: ADDRESS indicates the group address.
ADDRES
S
USInt I, Q, M, D,
L or Con-
stant
Identify the address information of the CM 1xDALI.
When GROUP = 0, ADDRESS
indicates the short address or
broadcast:
• 0 to 63: Specify the short
address of the device
• 253: Broadcast the un-
addressed devices
• 255: Broadcast all the devices
When GROUP = 1, ADDRESS
indicates the group address:
• 0 to 15: Group address