turck BL20 Series - 8.5.4 Process data mapping; 8.5.5 Diagnostic and status messages

129
2020/09
8.5.4 Process data mapping
n = offset of input data; depending on extension of station and the corresponding fieldbus.
8.5.5 Diagnostic and status messages
LED status displays
Data Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Input n AI1 LSB
n + 1 AI1 MSB
n + 2 AI2 LSB
n + 3 AI2 MSB
NOTE
With PROFIBUS, PROFINET and CANopen, the I/O data of this module is localized within
the process data of the whole station via the hardware configuration tool of the fieldbus
master.
For DeviceNet, EtherNet/IP and Modbus TCP a detailed mapping table can be created with
the TURCK BL20 DTM in PACTware.
Process data Meaning
AI1 LSB low byte of the analog value
AIx MSB high byte of the analog value
LED Display Meaning Remedy
DIA Red,
flashing
0.5 Hz
Diagnostics pending -
Red Module bus communi-
cation failure
Check if more than two ad-joining electronics mod-
ules have been pulled.
Check the supply of the module bus.
Off No error messages or
diagnostics
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