System Rom Mounting; Memory Setting (Sw2); Inserting The Screen Data Memory - Omron NT20M Operation Manual

Switch Settings
2-1-2

System ROM Mounting

1, 2, 3...
2-1-3

Memory Setting (SW2)

2-1-4

Inserting the Screen Data Memory

1, 2, 3...
1. Turn off the power to the PT.
2. Set the groove of the mounting screw on the right edge of the IC socket to O
(Open).
3. Mount the System ROM in the direction of the seal on the IC socket and set
the groove of the mounting screw to C (Close) to lock the System ROM.
IC socket
4. Make sure that the groove of the mounting screw is set to C, otherwise the
System ROM will not be locked.
Note 1. Be sure to turn off the PT when mounting or dismounting the System
ROM to the IC socket, otherwise the internal memory of the PT may be
damaged.
2. Be sure to lock the System ROM after mounting, otherwise the operation
of the PT will be unstable.
3. OMRON Corporation has the copyright of the System ROM program.
Making a copy of the program is prohibited without the prior consent of
the OMRON Corporation.
This switch is used to set the type of data memory to be installed in the sock-
et at the back of the Terminal.
SW2
SW 2
Left SRAM
Right EPROM
Center EEPROM
Note 1. Be sure that the power is off when changing the setting.
2. Carefully check the switch settings and the memory chip before turning
the power on. If memory is not installed in accordance with this switch
setting, the Terminal will not operate properly and memory may be de-
stroyed.
1. Turn off the power to the PT.
2. Set switch 2 to match the memory chip that is to be inserted.
Seal
Mounting screw
Socket
The groove is
improperly set
The switch is factory-set
to the left, as shown here.
Screen data memory
Section 2-1
15