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SIEMENS
d
Counter Module
Technical Reference Manual
Version 18: 10. 1986
Preface
This document provides detailed hardware and software information on
configurations for the five front connectors, are also included. The final
the 6ES5-242 Counter Module. The types of information and their
portion in this chapter contains the module's memory map.
locations within this manual are listed below.
Chapter 3 Register Description and Use
Chapter 1 Hardware Desgiption
Coverage examines manipulation of the module's internal registers.
This chapter presents a general description of the module and the two
A description of each of the available counting modes is also
LSI chips that perform all counting and interrupt functions. Also, a
presented.
general description of each of the registers contained in the counterchip,
the interrupt chip and the remaining registers of the module is given.
Chapter 2 Module Setup
lnformation concering initial setup, switch setting and jumper configu-
rations is provided. Specifications on the module's 1 1 0 , as well as pin
Contents
1 . l General Description
1 .l .l Gate Control
1.1.2 Inputs
1.1.3 Outputs
1.1.5 Scaler l
1.2
6ES5
-
242 Block Diagram
1.3
1.4
6ES5
-
242 Module Registers
2.1
-
2.2
2.3
-
2.4
-
2.5
-
2.6
-
2.7
2.8
lnputs and outputs
@a
2.9
-
3.1
-
lnterrupt Mask Register (AM 9519)
3.2
INTl -Interrupt lnformation Register
3.3
MM
-
-
-
-
MM2
-
MM4
-
MM8
3.4
CM-Counter Mode Register (AM 9513)
3.4.1 Output Selection: CM2
-
CM0
3.4.4 Counting Type: CM5
3.4.7 Pulse Source Selection: CM1 l
-
3.4.9
Pulse Edge Selection: CM1 2
3.4.10 Gate Control Selecion: CM15
-
1)
3.5
3.5.2 Mode B
Page
Chapter 4 Standard Software Function Blocks
The two standard function blocks available for the 6ES5 242 module,
FBI58 and FB159, are examined. Function block parametersare listed and
explained in detail. The chapter closes with a few helpful programming
hints so you can manipulate the module's firmware.
Page
3.5.6
55
56
3.5.8
56
3.5.9
56
56
56
3.5.12 Mode L
56
57
57
57
.
57
3.5.17 Mode S
57
3.5.18 Mode V
58
58
3.6
-
58
3.6.1
-
58
59
3.6.3
Counter Selection: CTRL4
-
59
3.7
FNR
-
Function Number Register
59
3.8
FEM
-
Error Signal Register
59
3.8.1
60
3.9
Ex
-
Results of Counter Registers
60
45
4.1
45
4.1.1
Organization Blocks for 158
46
4.1.2
Explanation of FB 158
47
4.1.3
47
4.1.4
Parameter.P/Q
47
4.1.5
47
4.1.6
48
4.1.7
48
4.2
48
4.2.1
Explanation of FB 159
49
4.2.2
49
4.2.3
50
4.2.4
Parameters 24-1 and Z--5
50
4.2.5
4.2.6
4.2.7
4.2.8
4.2.9
4.3
4.4
FB 159 Usage
4.4.1
4.4.2
4.4.3
Appendix A
Appendix B
Figures
1-1
6ES5-242 Counter Module Block Diagram
2-1
242 Module Plug Connector Block Diagram
2-2
242 Module Plug Connector Pinout
2-3
2-4
2-5
Counter & Gate lnput 24 V Level Circuitry
2-6
Counter Output Circuitry
4-1
Function Block 158
4-2
Tables
4-1
4-2
Data Block Assignments
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