Cpu Unit Switch Settings - Omron CVM1D Operation Manual

CPU Unit Switch Settings

1, 2, 3... 1. Protect Keyswitch
Be sure that the Protect Keyswitch is set to NORMAL when transferring the
program, writing the program, or changing the PC Setup. The program can-
not be edited or transferred when the keyswitch is set to PROTECT.
Position
Memory is not write-protected.
NORMAL
Write-protects the user program, PC Setup, and CPU Bus
PROTECT
Unit settings and prevents program transfers from SSS.
The Protect Keyswitch's write-protection is temporarily
suspended during duplex synchronization or program
transfer in duplex mode. Write-protection is enabled again
after the program transfer is completed.
2. CPU DIP Switch
Pin number(s)
1, 2
3
4
5
OFF ON
6
3. EM Unit Compartment
When the EM Area is being used in a duplex system, be sure to install EM
Units with the same specifications in the active and standby CPU Units. Re-
fer to 2-3 EM Units for more details.
4. Memory Card Compartment
When Memory Cards are being used in a duplex system, be sure to install
Memory Cards with the same specifications in the active and standby CPU
Units. Refer to 2-4 Memory Cards for more details.
Function
Position
Pins 1 and 2 determine which files will
---
be transferred from the CPU Unit to the
Memory Card.
(In this case, UM indicates the user pro-
gram.)
Start the data transfer by pressing the Start the data transfer by pressing the
1 2
Memory Card power switch for 3 sec-
onds.
OFF OFF Back up UM, PC Setup, I/O memory,
and DM.
ON OFF Back up PC Setup.
OFF ON Back up UM.
ON ON Back up I/O memory and DM.
OFF Not used. (Leave this pin set to OFF.)
OFF Not used. (Leave this pin set to OFF.)
OFF Files are not transferred from the
Memory Card automatically at start-up.
ON The program file, PC Setup file, and
CPU Bus Unit settings file will be trans-
ferred from the Memory Card to the
CPU Unit automatically at start-up.
(In a duplex system, the files are trans-
ferred in the active CPU Unit only. The
files aren't transferred in the standby
CPU Unit.
The automatic transfer at start-up set-
ting can be made in the PC Setup as
well, but the setting on pin 5 supercedes
the PC Setup setting.
The files will not be transferred if the
Protect Keyswitch is set to PROTECT.)
OFF Not used. (Leave this pin set to OFF.)
Section 2-1
Function
13