HMI Slave (1 required per 3 channels)
D/A UNIT DESCRIPTION
The D/A unit receives messages from the HMI master unit and sets the analogue output levels to the level requested by HMI unit. The D/A slave unit also acknowledges the message from the HMI unit so that the HMI unit knows that the addressed D/A unit has received and decoded the message.
The D/A unit has the following terminal connections:
|AC Supply Input (L and N)||Single Phase Supply, Live (L) and Neutral (N) connections. 100-240V AC +/-10%, 50/60Hz.|
|DC Supply Input (+ and -)||DC IN, 24VDC Supply, positive and negative connections.|
|HMI CONNECTION "+"||Positive power supply, 24VDC, power connection to all other units in the System.|
|HMI CONNECTION "-"||Negative power supply, ground connection to all other units in the system.|
|HMI CONNECTION "A"||RS485 A leg to all other units in the system.|
|HMI CONNECTION "B"||RS485 B leg to all other units in the system|
|Analogue Outputs||3 x Analogue Channels: CH1 "+", CH1 "-", CH2 "+", CH2 "-", CH3 "+", CH3 "-". The "-" terminals are common and also connected to the system DC ground.|
The D/A unit has the following switch for slave unit address configuration:
- SW1 4 Way DIL Switch for D/A channel configuration, only switch positions 3 and 4 are used.
This product is designed on demand, please contact the team for more information.