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ABB SDCS-IOB-1 3BSE004084R1 interface board

The board SDCS-IOB-1 3BSE004084R1 consists of the 5 analogue inputs, 3 analogue outputs, the galvanical isolated pulse encoder interface and a current source for temperature measuring devices.

If SDCS-IOB-1 3BSE004084R1 boards are in use, they have to be mounted outside the DCS module. They must be mounted in a way, that the conductive supports have a good connection to ground of the installation.

The cable length between X1:/X1: and X2:/X2: is max.

1.7 m and between X1:/X3: is max. 0.5 m because of EMC reasons.

Smoothing time constant of channel 7 and 8 can be changed.

SDCS-IOB-1 3BSE004084R1 Power supply for digital inputs: 48V / ≤ 50mA; not galv. isolated from the DCS electronics!

If the inputs are supplied from the internal +48 V (X7:3 and/or X7:4) a connection must be done from either X7:1 and/or X7:2 to ground of the DCS 500 module. 

If the inputs are supplied by any external source (+48 V DC, 115 V AC or 230V AC) the neutral line / - line must be connected to either X7:1 or X7:2. If the inputs should be controlled with the same voltage level, but from two different voltage sources, having probably two different ground levels, the first neutral line should be connected to X7:1 and the second to X7:2. In this case the jumpers Wx connecting the inputs to X7:2, but controlled by the source, connected to X7:1, must be cut off.

The board is connected electrically via a 10 pin flat cable to the converter module electronics. The connection will be done to the SDCS-IOB-1 3BSE004084R1 board from terminal row X17 to X17 on SDCS-IOB-1 3BSE004084R1. Ithas to be mounted outside of the converter module.