ABB Module DO810 3BSE008510R1 ABB DO810 Digital Output module reputation based

Product Description:

Differential inputs are very useful, if analog sensors are used which are remotely non-isolated (e.g. the minus terminal is remotely earthed).Since the earthing potential is not exactly the same as AGND1, it has to be measured bipolar in order to compensate measuring errors. Additionally, in case of singlepole
configuration, AGND1 would be connected directly to the remote earth potential. This would cause inadmissable (and possibly dangerous) earthing loops.In all configurations using differential inputs two adjacent analog inputs belong together (e.g. EW 6,00 anEW 6,01). For configuration, both inputs must be configured for thedesired operating mode, see configuration table Fig. 4-18.The measured value is calculated by subtraction. The value of the channel with the lower address is subtracted
from the value of the channel with the higher address.

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Product's Character:

The trigger of the self-protecting mechanism is displayed by the red LED Ovl as long as the overload is present. In the PLC system an error message is then stored (FK4, error number 4). The following figure shows the connection of a 3-wire sensor powered by 24 V DC and of a 2-pole sensor powered
electrically isolated. Both sensors work as active current sources 0...20 mA. It has to be taken into consideration, that in this application the M terminal of the basic unit 07 KT 94 is the reference potential. AGND1 is not dimensioned for carrying the sum of the sensor currents.

The use of the product:

Moore Automation is a company specializing in the sales of modules and spare parts for world-renowned brands (DCs systems, robot systems, large servo control systems). The company's products include: distributed control systems (DCS), programmable controllers (PLC), MOTOROLA -MVME industrial modules, industrial control communication converters (Anybus), remote output/input modules (RTU), industrial computers (PC), industrial low-frequency screens (IPC), human-machine interface SCSI (50, 68, 80Pin ) AnyBus(Gateway)o The spare parts we sell provide one-year quality guarantee and have undergone strict testing and certification. Now we have become a global sales enterprise of industrial automation spare parts and components.