13
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
Function
NORMAL
Memory is not write-protected.
PROTECT
Write-protects the user program, PC Setup, and CPU Bus
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)
Position
Function
1, 2
---
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
1
2
Start the data transfer by pressing the
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.
6
ON
ON
Back up I/O memory and DM.
4
5
3
OFF
Not used. (Leave this pin set to OFF.)
3
4
4
OFF
Not used. (Leave this pin set to OFF.)
23
5
OFF
Files are not transferred from the
Memory Card automatically at start-up.
OFF
ON
1
ON
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.)
6
OFF
Not used. (Leave this pin set to OFF.)
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.
CPU Unit Switch Settings
Section 2-1
Содержание CVM1D
Страница 462: ...SYSMAC CVM1D Duplex System Programmable Controllers Operation Manual Revised August 2001...
Страница 463: ...iv...
Страница 465: ...vi...