Nor-Cal SDC15 Controller - Manual (Page 111)

5-61
● Example 2 The operation is started by the external switch, and then it is stopped
automatically 30 min. after the temperature has reached the set value.
◆ Explanation
The timer start-up conditions are set to logical AND of DI1 and PV status EVs.
The ON delay time setting of the timer becomes the time, at which the operation is
stopped automatically after the temperature has reached the set value.
The mode (RUN/READY) is changed based on a combination of DI1 and timer
ON-OFF.
◆ Setting example
• Event
Note. The internal event No. is indicated at the mark of "x" shown in the Display
column.
Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION
Set value
Time
30min
Control ON Control OFF
Temperature
Status Control OFF Timer counting after Operation stop by
status starting of operation time-up
DI1 OFF ON ON
Timer (Internal EV2) OFF OFF ON
Status of Internal ON OFF ON
Contact 2
Mode READY RUN READY
Event Display Internal Event 1 Internal Event 2
Operation type Ex.C1 32: Timer 4: Deviation high limit
Direct/reverse Ex.C2 ---- 0: Direct
Standby Ex.C2 ---- 0: No standby
EVENT state at READY Ex.C2 0: EVENT state at READY 0: EVENT state at READY
is continued. is continued.
Alarm OR Ex.C3 0: None 0: None
Special OFF setup Ex.C3 ---- 0: As usual.
Delay time unit Ex.C3 2.1min 0: 0.1s
Event main setting Ex ---- 0
(low limit)
Event sub setting Ex.SB ---- ----
(high limit)
Hysteresis Ex.HY ---- 5
ON delay Ex.ON 30 0
OFF delay Ex.OF 0 0