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Addressing via DMX-RDM
RDM (Remote Device Management) is a new, 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 (mes-
sage) is sent directly to a subscriber. The subscriber evaluates the information in the data package and sends an an-
swer (semi-duplex) on the same line. Targeted polling to a subscriber via its UID (Unique ID) prevents several sub-
scribers 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 GET
CMD
SET
CMD
Description
COMMS_STATUS
Shows general status information of the bus interface
STATUS_MESSAGES
Used to manage status messages
STATUS_ID_DESCRIPTION
Used to manage status messages
SUPPORTED_PARAMETERS
Overview of all RDM parameters
PARAMETER_DESCRIPTION
Description of all parameters
DEVICE_INFO
Brief overview of the most important features
PRODUCT_DETAIL_ID_LIST
Additional feature
DEVICE_MODEL_DESCRIPTION
Type designation
MANUFACTURER_LABEL
Manufacturer's designation
DEVICE_LABEL
Labelling field
SOFTWARE_VERSION_LABEL
Firmware version number
DMX_START_ADDRESS
Reading and setting the DMX start address
SENSOR_DEFINITION
Sensor information
SENSOR_VALUE
Sensor value
Sensor 1 TempLpErrorCount Temperature error counter, PCB
Sensor 2 TempWindErrorCount Temperature error counter, motor
Sensor 3 MotorFailureCount Motor failure counter
Sensor 4 ActualSpeed Current actual speed
Sensor 5 NominalSpeed Current set point speed
Sensor 6 PWM Current PWM value
Sensor 7 Temp Operating temperature, electronic board
Sensor 8 Winding Temp Operating temperature, motor
Sensor 9 Power Voltage Current intermediate circuit voltage
Sensor 10 Current Consumption Current intermediate circuit current
DEVICE_HOURS
Operating hour counter
DEVICE_POWER_CYCLES
Switch-on counter
IDENTIFY_DEVICE
0 = normal mode
1 = pump will switch on and off again at short intervals. This function is helpful for
identifying the device in the field.
RESET_DEVICE
Executes a reset.
1 = warm start
255 = cold start
Specific parameters GET
CMD
SET
CMD
Description
KENNLINIENPUNKT_X1
Support value 1 of the stored pump characteristic curve
KENNLINIENPUNKT_Y1
KENNLINIENPUNKT_X2
Support value 2 of the stored pump characteristic curve
KENNLINIENPUNKT_Y2
KENNLINIENPUNKT_X3
Support value 3 of the stored pump characteristic curve
KENNLINIENPUNKT_Y3
RUNTIME_HOURS
Operating hour counter for the running period
STARTUP_COUNTER
Startup counter
CONFIG_MODE Only for service purposes
STS_OVERTEMP
Status message, overtemperature
STS_OVERVOLTAGE_PHASE
Status message, overvoltage
STS_UNDERVOLTAGE_PHASE
Status message, undervoltage
STS_OVERCURRENT
Status message, operating voltage too high
STS_BLOCKIERT
Status message, motor blocked