Omron NT20M Operation Manual page 62

Maintenance Mode
Lamp Output Check
Communications Check
Tool Interface Check
Tool Interface
To return to the I/O Check Menu, press the Buzzer, Up, and Down system keys
simultaneously.
When "lamp output check" is be displayed in reverse video, L1 will light. This in-
dicates that output 1 is ON. Use the Up Key and the Down Key to move from
lamp to lamp to check their respective outputs. When the Up Key is pressed, the
next lamp to the right is displayed in reverse video. When the Down Key is
pressed, the next lamp to the left is displayed in reverse video.
When a 32/16 Terminal or a 10/02 Terminal is connected, the output correspond-
ing to the lamp displayed in reverse video turns ON.
To return to the I/O Check Menu, press the Buzzer, Up, and Down system keys
simultaneously.
Note If a load (e.g., a buzzer or alarm light) is connected to a 10/02 Terminal or a 32/16
Terminal, it will actually operate. This can potentially be dangerous, so take the
necessary precautions.
When "Communications Check" is selected, the Communications Check Menu
will be displayed.
COMMUNICATIONS CHECK MENU
Tool Interface
Host Interface
Data received from a connected Support Tool is displayed as is, in hexadecimal.
If any numbers are displayed, that means that the tool interface is okay. If noth-
ing is displayed, then there may be a Support Tool, communications cable, or
communications hardware error.
Data transmitted from the Support Tool is displayed in hexadecimal.
F1 F2 F3 F4 F5
F9 F10 F11 F12 F13 F14
F17 F18 F19 F20 F21 F22
F25 F29
F26 F27 F28 F30
F33 F34 F35 F38
F36 F37
F41 F42 F46
F43 F44 F45
F49 F50 F51 F52 F53 F54
F57 F58 F61 F62
F59 F60
L1 L2 L3 L4 L5
L9 L10 L11 L12 L13 L14
L17 L18 L19 L20 L21 L22
L25 L29
L26 L27 L28 L30
L33 L34 L35 L38
L36 L37
L41 L42 L46
L43 L44 L45
L49 L50 L51 L52 L53 L54
L57 L58 L61 L62
L59 L60
Section 6-3
F6 F7 F8
F15 F16
F23 F24
F32
F31
F40
F39
F48
F47
F55 F56
F63 F64
L6 L7 L8
L15 L16
L23 L24
L32
L31
L40
L39
L48
L47
L55 L56
L63 L64
Select one
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