Battery - Omron NX Series Hardware User Manual

3 Configuration Units
Terminal Block Part Names and Functions
NX-TBC082
(A)
A1 B1
A2 B2
A3 B3
A4 B4
A5 B5
A6 B6
B7
A7
A8 B8
8-terminal type
Letter
(A) Terminal number indication
(B) Release hole
(C) Terminal hole
(D) Ground terminal mark
Refer to 5-4-1 Wiring the Unit Power Supply on page 5-36 and 5-4-8 Wiring to the CPU Unit Terminal
Block on page 5-42 for the wiring procedure.
There are three types of terminal blocks: 8-terminal type, 12-terminal type, and 16-terminal type.
Only the 8-terminal type terminal block can be attached to the NX502 CPU Units.
To prevent mis-insertion, the terminal blocks other than of the 8-terminal type cannot be used.
Additional Information
No terminal and release holes with the numbers A2, A4, A6, A8, B2, B4, B6, and B8 are provid-
ed for the 8-terminal type terminal block.
3-1-6

Battery

The battery is not mounted when the product is shipped.
You need to prepare a battery for the CPU Unit to retain the clock data while the CPU Unit is left pow-
ered off for a long period of time.
The following describes the purpose of the battery mounting, the battery model, and the battery-relat-
ed error detection and clock data settings.
3-10
(B)
(C)
(D)
Name
Indicates the terminal numbers (A1 to A8 and B1 to B8).
The terminal number indication is the same regardless of the number of
terminals on the terminal block.
Insert a flat-blade screwdriver into this hole when you connect or re-
move the wire.
The wire is inserted into this hole.
This symbol indicates that it is the ground terminal.
Function
NX-series NX502 CPU Unit Hardware User's Manual (W629)