Installing The C20; Overview; But First; Static Electricity - Omron SYSMAC C Series User Manual

Chapter 2
Installing the C20
Overview
But first...
This chapter tells you how to install the C20. You may wish to skip this
section and go first to Chapter 3, Introduction to programming, which
provides important information on how to determine the configuration of
your controlling system.
The following are some important points that should always be observed
to ensure correct installation and operation of the C20.
Static electricity
in low-humidity conditions, static electricity may cause problems with the
C20's components. Therefore, before touching the C20, be sure to first
touch a grounded metallic object to discharge any static electricity
buildup.
Memory chips
The C20 offers a choice of using either a RAM or EPROM chip for the
program memory, according to your application.
With the nonexpandabie CPU, there are stiil 170 program addresses
available as standard even when no RAM chip is mounted and by
mounting a RAM chip, the number of addresses can be increased to 512.
With the expandable CPU, the standard memory capacity is 1194
addresses.
The foltowing table provides the necessary information as to the type of
chip that can be used in the expandable and nonexpandable type CPUs
as well as the DIP switch settings required for each type of chip.
[_Wonevpandabie CPU | cpana U O
RAM
Use Type RAM-G | RAM
RAM
not required
Memory capacity | 512 addresses Memory capacity | 1,194 addresses
DIP switch setting DIP switch setting
quana E
12 3 1234
4
EPROM | Use Type ROM-H
Memory capacity | 1,194 addresses
DIP switch setting
TARAN
123 4
EPROM Use Type ROM-H
Memory capacity '| 1,194 addresses
DIP switch setting
TAUB
123 4