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Addressing via DMX/RDM
RDM (Remote Device Management) is an open and bi-directional protocol standard for DMX-controlled devices. The
permanently transmitted DMX data flow briefly pauses (several milliseconds), and an RDM data package (message) is
sent directly to a subscriber. The subscriber evaluates the information in the data package and sends an answer (semi-
duplex) on the same line. Targeted polling to a subscriber via its UID (Unique ID) prevents several subscribers from
answering simultaneously.
The protocol makes it possible to receive status information about a unit or to change configurations on a unit. Chang-
ing the configuration means, e.g. changing the DMX address. The prerequisite for this function is a RDM-compatible
controller. Read the corresponding operating instructions
RDM parameters
General parameters
STATUS_MESSAGES
STATUS_ID_DESCRIPTION
SUPPORTED_PARAMETERS
PARAMETER_DESCRIPTION
DEVICE_INFO
DEVICE_MODEL_DESCRIPTION
MANUFACTURER_LABEL
DEVICE_LABEL
SOFTWARE_VERSION_LABEL
DMX_START_ADDRESS
SENSOR_DEFINITION
SENSOR_VALUE
IDENTIFY_DEVICE
DEVICE_HOURS
DEVICE_POWER_CYCLES
RESET_DEVICE
Specific parameters
Curve X1
Curve Y1
Curve X2
Curve Y2
Curve X3
Curve Y3
Runtime hours
Startup counter
Config mode
20
GET
SET
Description
CMD
CMD
Used to manage status messages
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•
Overview of all RDM parameters
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Description of all parameters
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Brief overview of the most important features
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Type designation
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Manufacturer's designation
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Labelling field
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•
Firmware version number
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Reading and setting the DMX start address
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Sensor information
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Sensor values
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Sensor 1
TempErrCount
Sensor 2
MotorFailureCount
Sensor 3
ActualSpeed
Sensor 4
NominalSpeed
Sensor 5
PWM
Sensor 6
Temp
Sensor 7
PowerVoltage
Sensor 8
CurrentConsemption
0 =
Normal operation
•
•
1 =
The pump will switch on and off again at short intervals. This function is helpful
for identifying the device in the field.
Operating hour counter, total
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Counter for cold startup/switch-on
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Executes a reset
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1 =
Warm start
255 =
Cold start
GET
SET
Description
CMD
CMD
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Support value 1 of the stored pump characteristic curve
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•
Support value 2 of the stored pump characteristic curve
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•
Support value 3 of the stored pump characteristic curve
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Operating hour counter for the running period
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Startup counter
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Only for service purposes
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Temperature error counter
Motor failure counter
Current actual speed
Current set point speed
Current PWM value
Current operating temperature
Current voltage
Current current consumption