ABB Advant Controller 450 User Manual

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3-20 3BSE 002 415R701 Rev A
Both inputs and outputs can suppress moderate CMV in the range ±10V for voltage input and
±20 V for current input. This means, in practice, that you can ground the transducer and load
freely within a geographically limited area in which the difference in ground potential is within
the specification.
The unit has an integrated voltage source providing d.c. 24 V for transducer supply. The voltage
is fused. This supply can also be used for supply to the outputs which can then drive a current
signal through a load of 650 Ω. Additionally the outputs can be supplied from an external supply
unit. You can then increase the load resistance for the current signal towards 1000 Ω.
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DSDI 452
DSDI 451 (expansion unit)
Thirty-two scanned inputs for 24 V. All channels have a common signal return. Transducer
supply is obtained from a common fused source. External voltage supply and fusing for groups
less than 32 channels are possible, but the return sides of the different voltage sources must be
capable of being connected. The 32 channels are galvanically isolated from the internal
electronics in the unit.
DSDI 454
DSDI 453 (expansion unit)
Thirty-two scanned inputs for 48 V. For further properties, see DSDI 452.
DSDX 452(L)
DSDX 451(L) (expansion unit)
Combination unit for 20 digital 24 V inputs and 12 digital outputs. The inputs have the same
qualities as the inputs on DSDI 452. The outputs are completely separated relay contacts for
24 V - 240 V a.c./d.c. The recommended minimum load on the contacts is 2.5 VA but a
minimum of 100 mA with 24 V d.c. Units with an additional letter L are equipped with low-
voltage relay contacts. Maximum load on the contacts is 200 mA. The recommended minimum
load on the contacts is 5 mA or 0.05 VA.
DSDX 454(L)
DSDX 453(L) (expansion unit)
Combination unit for 20 digital inputs (48 V) and 12 digital outputs. The inputs have the same
qualities as the inputs on DSDI 454. The outputs are completely separated relay contacts for
24 V - 240 V a.c./d.c. The recommended minimum load on the contacts is 2.5 VA but a
minimum of 100 mA with 24 V d.c. Units with an additional letter L are equipped with low-
voltage relay contacts. Maximum load on the contacts is 200 mA. The recommended minimum
load on the contacts is 5 mA or 0.05 VA.

ABB Advant Controller 450 Specifications

General

Brand	ABB
Model	Advant Controller 450
Category	Controller
Language	English