Description of the CBMC E4 24DC/1-4A+ IOL and CBMC E4 24DC/1-10A IOL
108147_en_00
PHOENIX CONTACT
3.4
Operating modes
3.4.1
Independent operation
The device can be operated without an IO-Link. For this, only the supply voltage and ground
need to be connected. The channel states and the nominal currents can be adjusted via the
buttons.
After a voltage reset, the last parameters written acyclically per IO-Link /programmed by
button are loaded from the read only memory.
If the channels should first be switched off after start-up, until they are switched by buttons,
for example, this can be configure beforehand via Index 3328
dec
channels after voltage reset" on page 23).
3.4.2
IO-Link operation
For operation with IO-link, the three IO-Link conductors (L+, C/Q, L-) must be connected
with the master and the port configured in the IO-Link master. If desired, the device can also
be pre-configured without supply voltage at IN+ by means of acyclic access. The output
channels can only be physically switched on, however, when the voltage at the "IN+" con-
nection is in the range of the permitted operating voltage.
The device is automatically in IO-Link operation when it is connected to a configured master
port. An existing connection is signaled by the flashing of the green IO-Link LED (under the
"L-" connection at the terminal lock, see Figure 3-3). Parameterization is then performed by
means of acyclic and cyclic access (see Sections "Cyclic process data" on page 17 and
"Acyclic data" on page 20). If the data storage mechanism in the master is active, the check-
sums in the device and in the master are compared and the parameters exchanged corre-
spondingly.
After a voltage reset, the device circuit breaker behaves identically in IO-Link operation as
in independent operation.
For safety reasons, the device access locks retain their state even after a voltage reset
(see Section "Device access locks" on page 29). If the device should be operable without
IO-Link by means of buttons, previously activated device access locks should be deacti-
vated per IO-Link beforehand.
Summary of Contents for CBMC E4 24DC/1-10A IOL
Page 1: ...User manual Multi channel electronic device circuit breaker with IO Link interface ...
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