symbols.
① Instrument model
AI-518 High accuracy controller with measurement accuracy 0.3%F.S. It adopts artificial intelligent
control technology, and has the functions of control, alarm, retransmission and
communication.
AI-518P Add 30 segment program control to AI-518.
② Front panel dimension
Model
Front Panel
height)
Cut-out
height)
Behind
Mounting
Remarks
A(A2) 96x96mm 92x92mm 100mm
On A2, there is a light bar with 25
segments and 4 levels of luminosity.
C(C3) 80x160mm 76x152mm 100mm
On C3, there is a light bar with 50
segments and 2 levels of luminosity
D2
48x48x110
(width x
height x
depth)
45*45mm 95mm
③ Stands for function input module slot MIO, K3,V,U,I2,I4 are able to be plugged in MIO.
④ stands for main output (OUTP), can plug in L2,L4,W1,W2,G, K1,K3,X3,X5
⑤ Stands for alarm slot(ALM),can add in L2,L4,W1,W2,G, K1,V,U
⑥ Stands for auxiliary output(AUX),can add L2,L4,W1,W2,G, K1,K3,X3,X5,V,U,I2
⑦stands for communication(COMM), can add S,S4,V,U
⑧ stands for expanded indexing table. AI controllers are defaulted with common used
thermocouple,RTD or current input modules, but if other input signals are needed, can use this
function.
stands for power supply. It’s default as 100~240VAC ,24VDC is available if wanted.
COMMON USED FUNCTION INPUT AND OUTPUT MODULES AS FOLLOWS:
N no module installed
L2 1 relay contact (NO+NC) output.(small size, 30VDC/1A, 250VAC/1A)
L1/L4 1 relay contact (NO+NC) output.(large size, 30VDC/2A, 250VAC/2A)
L5 2 relay contact (NO) outputs. (30VDC/2A, 250VAC/2A)
W1 “Burn-proof” TRIAC no contact normal open output. (100～240VAC/0.2A)
W2 “Burn-proof” TRIAC no contact normal closed output. (100～240VAC/0.2A)
G SSR voltage outputs (12VDC/30mA)
K1 “Burn-proof” single-phase thyristor zero crossing trigger output module (trigger one loop of
a TRIAC or a pair of inverse parallel SCR with current of 5~500A)
K3 “Burn-proof” three-phase thyristor zero crossing trigger output module (trigger 3-phase
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