Siemens SIMATIC TDC - Control and Display Elements

Communication modules
6.6 CP53M0 coupling module
SIMATIC TDC hardware
System Manual, 08/2017, A5E01114865-AL
167
6.6.2
Control and display elements
LED displays
The CP53M0 coupling module is equipped with 8 LEDs that provide information on the
current operating state of the module.
Table 6- 24 LED displays of the CP53M0 coupling module
LED designation (color)
Function
H1 (green)
Operating state of coupling module CP53M0
H2 (red)
H3 (green)
Status startup frame to X1/X2
H4 (yellow) Data transmission to X1/X2
H5 (green)
Status startup frame to X3/X4
H6 (yellow)
Data transmission to X3/X4
H7 (green)
Status fiber-optic cable link to X1/X2
H8 (green)
Status fiber-optic cable link to X3/X4
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