Watlow EZ-ZONE PM Express Limit Manual de usuario descargar pdf (Pagina 17)

EZ-ZONE PM Limit Express • 17 • Keys & Displays

An active message will cause the display to toggle

between the normal settings and the active message

in the upper or left display and [Attn] in the lower

or right display.

Your response will depend on the message and the

controller settings. If the message is generated by

a latched alarm or limit condition, the message can

be silenced [Sil] or cleared [CLr] by simply

pushing the reset key

when the condition no

longer exists.

[AL;L1] Alarm 1 Low (sensor input below low

alarm set point)

[AL;h1] Alarm 1 High (sensor input above high

alarm set point)

Alarm Error 1

[AL;E1] Alarm 1 Error (alarm state cannot be deter-

mined due to lack of sensor input)

[Er;i1] Error Input 1 (sensor is not providing a

valid signal to the control)

[Li;L1] Limit Low 1 (sensor input below low limit

set point)

[Li;h1] Limit High 1(sensor input above high limit

set point)

[Li;E1] Li mit Error 1 (limit state cannot be deter-

mined due to lack of sensor input, limit will trip

Responding to a Displayed Message

Keys & Displays for 1/8

or 1/4 DIN PID Controllers

RESET

PM8

RESET

PM9

PM4

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 33 34

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Watlow EZ-ZONE PM Express Limit Manual de usuario Pagina 17