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Siemens 353 User Manual

Siemens 353
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UM353-1B Function Blocks
April 2012
3-45
3.2.41 FTG_ - Falling Edge Trigger
FTG_ function blocks provide a high (1) output for one
scan cycle each time input P transitions from a high (1)
input to a low (0) input.
3.2.42 GB_ - Gain & Bias
GB_ function blocks provide action, gain, and bias
adjustments to input signal A. Although this block can
provide signal scaling, it should not be used if needed as a
reference for a range pointer. The SCL function block
should be used when scaling is required for this purpose.
BLOCK DIAGRAM
A
O
utput
1
+/- 1
O1
Input
A
+
+
+
GAIN
DIR
ect
ACT
ing ?
IN
put
A
GAIN
OUT
put
BIAS
OUT
put
BIAS
IN
put
A
O1 = G
O
(+/-AG
I
+ B
I
) + B
O
+
.
Rev 2
3.2.43 HLD_ - Hold
HLD_ function blocks provide an output equal to the
HOLD VAL set in configuration for interconnection to
other function blocks.
P
ulse Input
FALLING EDGE TRIGGER
O1
O
utput
1
FALLING EDGE
FTG_
ESN =
000
P
ESN
E
xec.
S
eq.
N
o.
(H)
................ 001 to 250
P
T
U
P
N
I
INPUT P
(H)
..........
loop tag.block tag.output (null)
TRIGGER
BLOCK DIAGRAM
O
utput
1
P
O1
Pulse Input
.
.
Input
A
GAIN & BIAS
N
G
I
N
U
A
OUT
put
GAIN
(S)
....................... Real (1.0)
IN
put
A BIAS
(S)
....................... Real (0.0)
INPUT A
(H)
.....
loop tag.block tag.output (null)
O1
O
utput
1
GAIN
& BIAS
GB_
ESN =
000
I
A
T
P
A
B
A
I
S
ESN
E
xec.
S
eq.
N
o.
(H)
............ 001 to 250
I
R
A
C
IN
put
A GAIN
(S)
....................... Real (1.0)
N
GI
A
B
A
I
S
OUT
put
BIAS
(S)
....................... Real (0.0)
I
I
N
N
A
A
O
O
U
U
T
T
D
T
DIR
ect
ACT
ing
(S)
............... NO/YES (YES)
HOLD
O1
O
utput
1
HOLD
HLD_
ESN =
000
L
L
O
HOLD VAL
ue
(S)
........................... Real (null)
AV
H
D
BL
OC
K DIA
G
RAM
O
utput
1
HOLD VAL
ue
O1
.

Table of Contents

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Siemens 353 Specifications

General IconGeneral
CPUCPU 353
Inputs16 digital inputs, 24 V DC
Outputs16 digital outputs, 24 V DC, 0.5 A
CommunicationMPI
Power Supply24 V DC

Summary

PREFACE

General Warnings and Cautions

Highlights hazards like high voltages and the need for qualified personnel and safety adherence.

1.0 INTRODUCTION

1.2 FUNCTION BLOCKS

Explains the controller's software architecture based on reusable function blocks and their types.

2.0 CONFIGURATION OVERVIEW

2.5 CONFIGURATION PROCEDURE

Outlines the steps for configuring the controller, both locally via faceplate and remotely via PC.

3.0 FUNCTION BLOCKS

3.2 I/O AND LOOP FUNCTION BLOCKS

Describes input/output and loop function blocks, listed alphabetically.

4.0 FACTORY CONFIGURED OPTIONS

4.1 FCO101 - Single Loop Controller w/ Tracking Setpoint

Describes FCO101, a single loop controller configured in Loop01, providing setpoint tracking.

6.0 DATA MAPPING

7.0 INSTALLATION

7.4 ELECTRICAL INSTALLATION

Contains details for wiring the Siemens 353, including general wiring guidelines and specific I/O wiring.

8.0 LOCAL FACEPLATE OPERATION

8.3 AUTOTUNE PROCEDURE

Outlines the procedure for initiating and performing the autotune function for controller tuning via the TUNE pushbutton.

9.0 CONTROLLER AND SYSTEM TEST

9.1 CONTROLLER CONFIGURATION AND TEST

Provides steps to configure and test the controller, including connections, power, and initial setup.

10.0 MAINTENANCE

10.3 TROUBLESHOOTING

Guides users on troubleshooting controller issues using error codes, power-up sequences, and assembly substitution.

10.4 ERROR CODES

Describes off-line and on-line error codes, status codes, and their corresponding corrective actions.

10.5 ASSEMBLY REPLACEMENT

Outlines procedures for replacing controller assemblies, including MPU Controller Board, I/O Expander Board, and Display Assembly.

11.0 CALIBRATION

13.0 MODEL DESIGNATION AND SPECIFICATIONS

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