Appendix B
Specifications
90
Special Features
Item
Specifications
Alarm output
Relay output on rear terminal block; NO contact.
Rating: 1 A at 24 VDC or 0.5 A at 100 VAC, with resistance load
Output condition: NO Contact (Closes when a command is received from the host or
when there is a screen displayed with an alarm-ON specification.)
Host RUN input
Photocoupler input on rear terminal block.
Rating 24 VDC
+10%
/
--15%
When this input goes OFF, the display “host error” regardless of other conditions.
Buzzers
Two types: Continuous sound and intermittent sound.
ON:
The buzzer will sound when a key input is made, when a buzzer-ON com-
mand is received from the host, or when a screen with a buzzer-ON specifi-
cation is called.
OFF:
The buzzer is turned OFF when the Buzzer Key is pressed, when a buzzer-
OFF command is received from the host, or when a screen without a buz-
zer-ON specification is displayed.
Loudness: 80 dB min. and 87 dB on average (measured at a distance of 10 cm)
Maintenance functions
Self-test for memory, switches, etc.
Status setting confirmation for communications and other conditions.
Simple communications confirmation.
Battery backup
Data backed up by battery when screen memory is SRAM.
Data backup time:
5 years (at 25
°
C)
If there is a voltage drop, the BAT LOW indicator on the front panel will light and the Bat-
tery Low Flag to the host will turn ON.
The battery can be replaced from the rear of the Terminal during operation.
Key input sound setting
If Key Input Sound is set to ON in the Memory Switch Menu, a beep will sound for 0.2 s
when a system key, function key, or touch switch is pressed.
Summary of Contents for NT600M Series
Page 1: ...NT600M Programmable Terminal Operation Manual Revised October 1997 ...
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