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3-18 3BSE 002 415R701 Rev A
over the capacitor. This voltage is induced over the open control function and can result in the
maximum permitted voltage being exceeded. This can be a problem with a.c. 230 V and with
the use of DSTD 108P.
DSDO 115
4xDSTD 108/DSTD 108L, DSTK 226L3
With these connection units four times eight closing relay outputs, 24 - 250 V a.c./d.c. max 3 A
are obtained. The relay contacts have a safety circuit (RC-link) for spark suppression.
For supply and grounding purposes, 32 completely individual channels are obtained.
Each connection unit (DSTD 108) is 120 mm long. The four connection units are connected to a
DSDO 115 with a divided ribbon cable, DSTK 226L3. The minimum load on the relays is 2.5
VA but the lowest is 100 mA with 24 V.
A variant of connection unit DSTD 108L is used for low-current loads (maximum 200 mA).
DSDO 115/DSDO 115A
DSTD 145, DSTD 147, DSTD 148, DSTK 226L3
These variants of connection units provide object oriented connection to DSDI 110A/DSDI
110AV1 and DSDO 115/DSDO 115A.
The general feature of DSDO 115/DSDO 115A, including connection unit, are: Thirty-two
channels, relay output, 24 - 250 V a.c./ d.c., max 3 A. The properties of the inputs (For example,
24 V d.c., 120 V a.c., 230 V a.c.) are decided by the selected connection unit.
Different sets of I/O boards and connection units are offered to match various object types
requiring different input voltages and number of inputs per object.
DSDO 115
DSTD 110A / DSTD 190, DSTK 221L3
DSDO 115A
DSTD 110A, DSTK 221L3
/DSTD 190V1, DSTK 234L3
These give short-circuit-protected static outputs for 24 V d.c. (transistor outputs). The load
current may be a maximum of 150 mA per channel for DSDO 115 and 0.5A for DSDO 115A.
The supply is divided in the connection unit into two groups of 16 channels each. Each has a
common supply and 0V. The outputs are galvanically isolated from the internal electronics.
DSDO 115A, DSTK 226L3
32 digital outputs. You can connect up to four of the connection units listed below to this board
and cable. Division between the different connection units is a free choice. The properties of
the outputs are decided by the selected connection units. Each connection unit contains eight
outputs.
DSTD 108P
Connection unit with eight closing relay outputs, 24 - 250 V a.c./d.c. max 3 A. The relay
contacts have a safety circuit for spark suppression. For supply and grounding purposes,
32 completely individual channels are obtained. Each connection unit (DSTD 108) is 120 mm
long. The minimum load on the relays is 2.5 VA but the lowest is 100 mA with 24 V. With
pluggable screw terminals.