dIH,transmittion low limit, unit is C
oP1, 1,2or 4,namely,0-10mA,0-20mA or 4-20mA
oPL,low PV,1%
opH,high PV,1%.
For example, if K thermocouple is required to give transmission output, temeprature range is 0-400C, output
is 4-20mA, then you can set as belows: Sn=0, dIL=0,dIH=400,oPL=0,oPH=100. OUTP install X3 or
X5.When temperature is over 400C, then give 20mA output, when temperature is with 0 to 400C, then the
output is within 4~20mA.
6.3 AI artificial intelligent regulator
AI series controllers are developed with advanced AI artificial intelligent fuzzy logic control mode, high
accuracy. Advanced Auto turning function can help users to set parameters. AI-518P has the programmable
control function. When CtrL is 1-4, then the unit is able to regulate other functions.
SSR voltage output(time proportion): if OUTP install G module, it can drive the external SSR.
Single/three-phase TRIAC output(time proportion): OUT is installed with K1,or K3 ,it can drive the external
single/three phase TRIAC.
Relay output(time proportion):if OUTP is installed L2/L4, can drive middle relay.But the disavantage is that
the relay maybe burnt.
Users must choose the right output according to his application, and must undstand the output parameter
oP1,oPL,oPH , CtrL,M5,P,t,Ctl and so on.
7. Further description for the operation of AI-518P series instrument
AI-518P program type temperature controller is used in the application where the setpoint should be
changed automatically with the time. It provides 30 segment program control which can be set in any slope
and the function of jump, run, hold and stop can also be set in the program.
7.1 Concepts and functions
Program StEP: The NO. Of the program StEP can be defined from 1 to 10, and the current StEP is the
program StEP being executing.
StEP time: the total running time of the program StEP. The unit is minute and the available value range from
1 to 9999.
Running time: time that the current StEP has run. As the running time reaches the StEP time, the
program will jump to the next StEP automatically.
Jump: the program can jump to any other steps in the range of 1 to 30 automatically as you programmed in
the program StEP, and realize cycle control. If the StEP No. Is modified, the program also will jump.
Run/Hold: when program is in the running status, timer works, and setpoint value changes according to the
preset curve. When Program is in the holding status, timer stops, and setpoint remains.
The holding operation can be programmed into the program StEP. When the program meets with the StEP,
the StEP time of that is set to zero, or when a jumping StEP jumps to another jumping StEP, the program will
get in Hold status. Hold/Run operation can also be performed manually at any time.
Stop: when the stoP operation is activated, the program will stop, the running time will be clear and timer
will stop, event output switch is reset and the output control is stopped. If run operation is activated when
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