Siemens 353 User Manual page 182

Installation
Controller Terminals
_
26 Vdc
5
Digital Output
8
Common
9
Common Ground Bus
Earth
Ground
A. Current Output, Isolated
Controller Terminals
_
26 Vdc
5
8
Digital Output
9*
Common
Common Ground Bus
Earth
Ground
C. Current Output, Isolated
Figure 7-12 Digital Output DOUT1, Resistive and Inductive Loads
7-14
Resistive Load
(+)
(-)
Inductive Load with
Suppression Diode,
See Note
+
24 Vdc
_
Notes:
1. Inductive load must be shunted with a transient
2. See Table 7-1 for DOUT2 terminal numbers.
* Or any station common terminal
Controller Terminals
_
26 Vdc
5
10K Typical
8
Digital Output
9*
Common
Earth
Ground
B. Voltage Output, Non-Isolated
suppression diode (1N4005 or equiv.) to prevent
damage to station output circuit.
UM353-1B
Resistive Load
(+)
(-)
Common Ground Bus
April 2012