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
When you press the RESET 
key or when HOLD TIME is
over, it returns to the TTL “HIGH” level.
ALARM 1 |
| ALARM 2 & |
| ALARM 3 | ALARM 3 & | More than |
ACTION |
| ALARM 3 |
| ACTION | ALARM 4 | 150mS |
|
| ACTION |
|
| 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.
26