Manually.opening.and.closing.the.valve; Manually.opening.and.closing.the.valve - EBRO ARMATUREN EP 501 C Operating Instructions Manual

19. MANUALLY OPENING AND CLOSING THE
VALVE
In the MANUAL operating state, the valve can be opened and closed manually
The MANUAL operating state (key function
• POS, actual position of the valve actuator.
• CMD, set-point position of the valve actuator.
When switching to MANUAL operating state, POS is displayed.
• PV, process actual value.
• SP, process set-point value.
When switching to MANUAL operating state, PV is displayed. The switch is possible only for external
set-point value default (menu:
• CMD/POS, set-point position of the valve actuator.
When switching to MANUAL operating state, POS is displayed.
• SP/PV, process set-point value.
When switching to MANUAL operating state, PV is displayed. The switch is possible only for external
set-point value default (menu:
Manually.opening.and.closing.valve:
Key Action
/ Select POS, CMD, PV or SP
MANU
Press
press
press
Table 23: Manually opening and closing the valve
SFA: Actuator spring force closing
SFB: Actuator spring force opening
SFI: Actuator double-acting
58
P.CONTROL
P.CONTROL
Description
Change to MANUAL operating state
Aerate the actuator
Control function A (SFA): Valve opens
Control function B (SFB): Valve closes
Control function I (SFI):
Bleed the actuator
Control function A (SFA): Valve closes
Control function B (SFB): Valve opens
Control function I (SFI):
english
) is for the following process value displays:
MANU
→ → →
P.SETUP SP-INPUT
→ → →
P.SETUP SP-INPUT
Connection 2.1 aerated
Connection 2.2 aerated
Typ EP 501
Operation
using the arrow keys.
external).
external).