Chapter 6. operation, 1 turning the power on, Handling precautions – Sonic Alert Digital Program Controller DCP301 User Manual

Page 74

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Chapter 6. OPERATION

6-1

Chapter 6. OPERATION

6-1

Turning the Power ON

The DCP301 is not equipped with a power switch or protective fuses. If necessary, prepare these externally.

When a voltage of 90 to 264Vac is applied across terminals (1) and (2) on the DCP301, display appears for about 10s
after which control and other operations are started. During controller startup until start of operations, the LEDs on
the profile display light successively at uneven intervals clockwise from top right. The following diagram shows the
flow of operations at startup.

Startup flow

Power ON

NO

YES

Start of operations

Check start of general reset

Press key.

RAM backup normal?

ENT

Continuation of program operation/constant-value oper-
ation modes

Continuation of READY/RUN/HOLD/FAST/END modes

Continuation of AUTO/MANUAL modes

(Continuation of manual value if in MANUAL mode)

Continuation of program No./segment No.

Continuation of segment progress time

Continuation of display No. of basic display state in
AUTO mode

Parameter=factory shipment setting

Delete entire program.

Program operation mode

READY mode

AUTO mode

Program No.1=1/segment No.=1

Segment progress time=0

Cancellation of auto-tuning/smart-tuning

Cancellation of MFB automatic adjustment by 2G output

Initialization of G.Soak standby time

Initialization of PID operation

Initialization of event output state

Setting display state

Basic display state

Display No. of basic display state in MANUAL mode

With the following modes and items, the state when the power is turned OFF
continues when the power is turned back ON.

• READY, RUN, HOLD, FAST, END modes

• AUTO, MANUAL modes

• MANUAL values in MANUAL mode

• Program No., segment No.

• Progress time in segment

• Display No. if in basic display state in AUTO mode

Handling Precautions

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