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Machine Control Panels
Sercos III LED - H4
The Sercos III messages are displayed on the LED H4. H4 is a two-colored LED,
which lights either red, green or orange in this use case. The meaning of the
states corresponds to the valid Sercos III specification.
LED
H4
H4
H4
H4
H4
H4
H4
Tab. 12-5: Sercos III S3 – H4 status displays
12.4.3 Status displays at X7E1 and X7E2
The communication states of the field buses are displayed via the integrated
LEDs in the RJ45 sockets X7E1 and X7E2.
LED
L (Link)
S (Send)
Tab. 12-6: LED display at X7E1 and X7E2
12.5 Address allocation
12.5.1 Keypad
General information
Each Sx.y key (input) is assigned to one green LED Hx.y (output). The keypads
are connected to the logic circuit board via the internal shift register bus. The
inputs (buttons) and outputs (LEDs) of the keypad are mapped in the "Key-
pad TA" module at the field bus.
DOK-SUPPL*-VAM*15*21*1-IT02-EN-P
Display
Lights green
Flashes green (4 Hz)
Flashes red and green
(4 Hz alternating)
Lights red
Lights orange
Flashes orange (4 Hz)
Off
Status
On: Connection to network is available
Off: No network connection
On: Data packages are sent
Off: No data is sent
Bosch Rexroth AG
Device description
Meaning
CP4 no error
Loopback enabled
Communication error (S-0-1003)
Sercos III CD1
(Diagnostic class 1)
CP0 to CP3
Identification (bit 15 in Interface
Control). Used for address assign-
ment and configuration errors
No Sercos communication
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