Dout_ - Digital Outputs - Siemens Moore 353 User Manual

UM353-1

3.2.43 DOUT_ - Digital Outputs

DOUT_ function blocks are used to turn on remote
devices powered from an external source. The negative
terminal of the external power source must be connected to
station common. The transistor switch will turn on when
the block input S is high (1) and will turn off when low
(0). Two digital output function blocks are available on the
Controller Board.
S
D/A
BLOCK DIAGRAM
March 2003
Switch
DOUT_+
RELAY
24 V dc
DOUT_c
Terminal Connections:
Typical External
Relay Circuit
DOUT1 ----- DOUT1+ (8) -- DOUT1c (9)
DOUT2 ----- DOUT2+ (10) -- DOUT2c (9)
DIGITAL OUTPUT _
DOUT_
DIGITAL OUTPUT
S
Open Collector
Transistor Switch
I N P U T
S
INPUT S ......
loop tag.block tag.output
(H)
Function Blocks
DOUT_+
DOUT_c
(null)
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