E5CZ-R2T datasheet(46/64 Pages) OMRON

46 / 64 page

E5EZ-PRR

Descriptions of Each Level

Protect Level

• To select this level, simultaneously press the

and M keys for

at least 3 seconds. This level is to prevent unwanted or acciden-

tal modification of parameters. Protected levels will not be dis-

played, and so the parameters in that level cannot be modified.

Operation Level

• This level is displayed when you turn the power ON. You can

move to the protect level, initial setting level, manual control level

and adjustment level from this level.

• Normally, select this level during operation. During operation, the

process value and manipulated variable can be monitored, and

the set points, alarm values, and upper- and lower-limit alarms

can be monitored and modified.

Adjustment Level

• To select this level, press the

key for less than one second.

• This level is for entering set values and offset values for control.

This level contains parameters for setting the AT (auto-tuning),

communications writing enable/disable, hysteresis, multi-SP, in-

put shift values, heater burnout alarm (HBA) and PID constants.

You can move to the top parameter of the operation level, initial

setting level and protect level from here.

Manual Control Level

• Pressing the A key under the operation/adjustment level for 1

second or more will activate manual mode, and switch to the

manual control level.

Under manual control, only “process value/set value/valve open

percentage (manual MV)” can be displayed. Under the “process

value/set value/valve open percentage (manual MV)” manual

control level, pressing the A key for 1 second or more will switch

to automatic mode, switch to the operation level, display the de-

fault in the level, and allow manual operation of MV in this mode.

Initial Setting Level

• To access this level, press the

key for 3 or more seconds in

the operation level or adjustment level. 1 second later, the PV dis-

play will blink. This level is used to indicate input type and select

control method, control period, direct/reverse operation, and

alarm type. You can move to the advanced function setting level

or communications setting level from this level. Press the

key

for at least 1 second to switch to the operation level. Press the

key less than 1 second to switch to the communications level.

Advanced Function Setting Level

• To activate this level, set the parameters in the “initial setting/

communications protect” under the “protect level” to “0” and then

enter the password (“-169”) in the initial setting level.

• The initial setting level can be accessed from this level.

• This level is for setting the automatic display return time, MV lim-

iter, event input assignment, standby sequence, alarm hystere-

sis, and ST (self-tuning).

Communications Setting Level

• To select this level, press the

key less than one second in the

initial setting level. When the communications function is used,

set the communications conditions in this level. Communicating

with a personal computer (host computer) allows set points to be

read and written, and manipulated variables to be monitored.

E5CZ-R2T 数据表(PDF) 46 Page - Omron Electronics LLC

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