- 5 -
Name
Function
Position display (green)
(1) The present position is shown by a percentage (0 to100%) of opening in the form of bar graph.
(green)
(2) The bar graph displays 20 dot (resolution of 5%). Lights when position value goes above 2.5%,
lights full when above 97.5%. Turns off when below 2% with 0.5% of hysteresis.
(1) Position (degree of opening) is displayed usually but display changes every pressing of the
key from INPUT to DES (set value of position) and to DEV (deviation). (Position, input, target
degree of position and deviation displays) (green)
(2) Set value and item are displayed on each parameter screen.
Data display (green)
(1) POSITION (green) lights when display of present position is selected.
(2) INPUT (green) lights when control input display is selected.
(3) DES/DEV (green) lights when target position display or deviation display is selected.
(4) EV1 (orange) lights when Event 1 is in action.
(5) EV2 (orange) lights when Event 2 is in action.
(6) EV3 (orange) lights when Event 3 is in action.
(7) DI1 (green) lights when external input (DI1) is ON.
(8) DI2 (green) lights when external input (DI2) is ON.
(9) DI3 (green) lights when external input (DI3) is ON.
(10) MAN (green) flashes during manual operation and remains off during automatic operation.
(11) RA (green) lights during reverse action (RA) and remains off during direct action (DA).
(12) STBY (green) lights when stand-by is selected in operation/suspension switching. It remains off
during ordinary operation.
(13) COM (green) lights when COM (reading/writing) is selected for communication and goes out when
LOC (reading) is selected.
(14) OPEN (green) lights when opening control output (OPEN) is ON. Conducting across terminals M1
and M2.
(15) CLOSE (green) lights when closing control output (CLOSE) is ON. Conducting across terminals
M2 and M3.
(1) (display) key
While the EM70 is in ordinary operation, this key is used to change the display. Each pressing
of it changes the display in the following order: Position value
input value
target position
value
deviation value
position value.
Display returns to the initial screen of a screen group, such as "1-0 or 1-00 zero span
adjustment screen" in screen group 1 or "2-0 screen for setting delay time on occurrence of
position error" in screen group 2. From the initial screens of screen groups 1 and 2, it returns
to "0-0 basic screen."
(2)
(parameter) key
Used to proceed from a parameter setting screen to the next parameter setting screen.
By pressing this key continuously for 3 seconds on "the 0-0 basic screen," you can proceed to
"The 1-0 or 1-00 Zero span adjustment screen."
(3) (down) key
Used to decrease a numerical value on a numerical value setting screen.
Used to select an item on a screen for selection.
During manual operation (MANUAL), closing control output (CLOSE) turns ON.
(4) (up) key
Used to increase a numerical value on a numerical value setting screen.
Used to select an item on a screen for selection.
During manual operation (MANUAL), opening control output (OPEN) turns ON.
(5) (entry/registration) key
On each parameter screen, a value set or an item selected by means of the or key
is registered by pressing this key.
When pressed continuously for 3 seconds on "1-0 zero/span automatic control screen,"
automatic span adjustment is carried out.
When pressed continuously for 3 seconds on "1-00 zero/span automatic control screen," the
display changes to the zero manual adjustment screen.
(6) (manual/automatic) key
Pressing this key on "the 0-0 basic screen" continuously for 2 seconds changes automatic
operation to manual operation. (This can be done alternatively by pressing the key and
the key simultaneously.)
When pressed continuously for 2 seconds in manual operation (MANUAL), manual operation
(MANUAL) is released to return to automatic operation (AUTO).
By pressing this key on a setting screen of the screen group 1, you can go back to the screen
preceding it.
Action display lamps
Operating keys
D I SP
D I SP
ENT
ENT
AUTO
MAN
AUTO
MAN
1
1
1
1
2
2
2
2
1
1
1
2
2
2
3
3
3
3
3
4
