User's Guide
Alarm Signal Mode
When the four types of alarm signals are input, the alarm output and
reset signal modes are as followings.
EVENT OCCURS
ALARM IN 1
ALARM IN 2
ALARM IN 3
ALARM IN 4
EVENT OCCURS
ALARM OUT
ALARM RESET
ALARM 1
ACTION
NOTE
The above figure shows the alarm signal mode when you set the alarm reset
mode using M (manual).
• The alarm output mode produces TTL "LOW" level until the alarm is
off.
• The alarm reset output mode produces the above signal mode when
all alarms are off.
• When several alarms are on at the same time, ALARM RESET
OUTPUT maintains the TTL "LOW" level for 150 mS and then
returns to TTL "HIGH" level.
ALARM 2 &
ALARM 3
ALARM 3 &
ALARM 3
ACTION
ALARM 4
ACTION
ACTION
26
When you press the RESET
key or when HOLD TIME is
over, it returns to the TTL
"HIGH" level.
More than
150mS