Programming
5.3 System function blocks
ET 200SP Communication module CM 1xDALI (6ES7137-6CA00-0BU0)
Manual, 06/2019, A5E46959434-AA
27
● The FB receives and reports the event messages which are sent be the DALI-2 input
devices.
● When Bit 1 or Bit 2 of the CM_STATUS show "1", all the other DALI function blocks
cannot be executed. You can choose any of the following actions to resume the status of
CM 1xDALI.
– Set the input CM_RESET to 1.
– Send the DALI command "STOP QUIESCENT MODE" or "ENABLE APPLICATION
CONTROLLER" (refer to IEC 62386-103) to the CM 1xDALI through other DALI
application controllers.
● A defined set of messages and their content are shown at the inputs EVENT_MSG,
EVENT_SCHEME, EVENT_SRC_1, EVENT_SRC_2 and EVENT_INFO.
● Other generic event messages are shown at the outputs RSV_MSG, RSV_MSG_LEN
and RSV_MSG_VAL. The content is shown without interpretation at the output
RSV_MSG_VAL.
The following table shows the parameters of the function block.
HW_ID Input HW_IO I, Q, M,
D, L or
The hardware identifier of the CM 1xDALI
CM_RES
ET
BOOL I, Q, M,
D, L or
Stop quiescent mode and re-enable the DALI application controller upon a
raising edge. After this action, Bit 1 and Bit 2 of the CM_STATUS will be
CONN_E
RR
Output
BOOL I, Q, M,
D, L
The status of CPU communication with CM 1xDALI:
• CONN_ERR = 0: No error when the CPU communicates with CM
1xDALI.
• CONN_ERR = 1: Error occurs when the CPU communicates with CM
1xDALI.
CM_STAT
US
DWORD I, Q, M,
D, L
Indicate the status of the CM 1xDALI:
16#00000000: The status of the CM 1xDALI is OK.
For the detailed explanation for each Bit of the CM_STATUS, refer to the
following section "Parameter CM_STATUS".
EVENT_M
SG
BOOL I, Q, M,
D, L
The status of the sensor event. When the CM 1xDALI receives a sensor
event, the EVENT_MSG remains true for one cycle:
• EVENT_MSG = 0: No sensor event
• EVENT_MSG = 1: A sensor event is received.
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