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3
Beneath the cover are the DIP switch and the socket where an EPROM chip
may be installed. For details, see
2-8-1 Setting the CPU DIP Switch
and
2-8-2 EPROM Installation
. Only DIP switch pins 1 and 2 are on when the
CPU is delivered.
ROM socket
8
Turn ON to use hardware reset (0001).
7
Turn OFF if FUN 61 is not used.
6
Turn ON for English display.
5
Turn ON to inhibit ALARM indicator.
4, 3
ROM: ON (RAM: OFF)
2, 1
RAM: ON (ROM: OFF)
CAUTION: In case of battery failure, data stored in
the RAM, the DM area, the HR area, etc., will not be preserved.
1-1-2
Expansion I/O Units
In the diagram below, the C20P is shown as a representative model. Refer to
Appendix A Standard Models
for your model’s exact specifications.
Power supply
Ground
Outputs
Indicators
CPU,
Expansion
I/O Unit,
Analog Timer
Unit, Analog
I/O Unit, or
I/O Link Unit
connector
24-VDC output
Inputs
CPU left/right
selector
CPU,
Expansion
I/O Unit, or
I/O Link Unit
connector
ROM Socket
and DIP
Switch
Nomenclature
Section 1-1
Содержание SYSMAC C20P
Страница 1: ...Cat No W167 E1 4A C20P C28P C40P C60P SYSMAC Programmable Controllers...
Страница 2: ...P type Programmable Controllers Installation Guide Revised July 1994 C20P C60P C60P C20P...
Страница 3: ...iv...
Страница 5: ...vi...