Emerson ASCO 290 Serie Instrucciones De Instalación Y Mantenimiento

Installation and Maintenance Instructions
ASCO™ Series 290-390 Valves with a Signaling Box IO-Link
DESCRIPTION (
ASCO™ pressure operated normally close valves (NC) and
normally open valves (NO) can be equipped with a signaling box
IO-Link series 890 that allows precise monitoring of the 2 valve
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stem positions (open and close). It consists of a box containing
a linear potentiometer and a processor using IO-Link
communication protocol that allows for setpoint, feedback and
parameters data. A variant exists with an internal pilot allowing
control of the valve. It has LED status indication for visualization
of valve position and control.
Intended use
The signaling box is intended to be used with ASCO™ 290 and
390 Series pressure operated valve for the purpose of being
used in general industries.
Essential Health and Safety Requirements:
This product complies with the EMC Directive 2014/30/EU and
RoHS 2011/65/EU.
OPERATION
The internal potentiometer and software of the signaling box
detect the end of travel of the valve in open or close condition
and transfer the information thru the IO-Link
protocol.
When the internal pilot valve is present, it is operated by the
IO-Link Signaling box depending on the setpoint. The internal
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pilot is 3/2 normally close type. When the pilot is energized,
valve actuator is operated. When the pilot is depressurized or
de-energized, the valve moves to its rest position.
Working condition / Characteristics
• Supply pressure: Max 10 bar
• Ambient and pilot fluid temperature: 0 to +50°C
• Nominal supply voltage 24 V DC ± 10%, max. ripple 10%
• Power: 5.7 W (internal pilot version ) / 3 W ( No pilot version)
• IO-Link
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- IO-Link communication for setpoint and feedback and
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parameters
- IO-Link Protocol Specification V1.1
- IO-Link Port Class A Device with COM3 (230.4 kBaud)
- Process data :
■ 1 Byte IN
■ 8 Byte OUT: Status bytes for errors/maintenance/
auto initialization/fully closed or open
Requirement for power supply
Operate the product only on a voltage source that is suitable
for PELV (Protective Extra Low Voltage) and which ensures
safe electrical isolation of the operating voltage from the
mains according to IEC/DIN EN 60204-1 (accident prevention).
Additionally: The general requirements for PELV circuits
according to IEC/DIN EN 60204-1 must be observed.
Air quality:
Air or inert gas filtered 50 µm, unlubricated, condensate-free
and water-free according to ISO 8573-1:2010 [7:4:4]
Ingress Protection level of apparatus
IP66 according to IEC 60529
IP69K (option) according to ISO 20653
Vibration
Max 1g /10-150Hz in 3 axes per EN 60068-2-6.
LED Status indication ( VI,
LED 1, yellow = valve open position
LED 2, green = valve close position
LED 3, white = status
LED 4, red = error
LED 5, orange = check function
LED 6, blue = maintenance required
LED 7, green = Signal for IO-Link
I and II, page 35)

class A
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communication
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36)
page
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Visit our website at Emerson.com/ASCO
Series 890
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Description
Valve OPEN
Valve CLOSED
Initialization mode
Manual mode
Signaling box not initialized
Component error
Connection to IO-Link
Valid set point for IO-Link
No connection to IO-Link
Description
IO-Link identification
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Status signal
Maintenance required
Still valid output signal
Out of specification
Signal out of the specified range
Function check
Temporary non-valid output signal
Failure (= Component ERROR)
Non-valid output signal
 LED on
 LED slow fashing
 LED quick flashing
Additional Specifications:
NCS (Non condensing system) option gives a permanent internal
air leakage to avoid moisture inside the enclosure. A specific
assembly kit is used to maintain pressurization of the enclosure.
The device must be kept in its original packaging as long as it
is left unused. Do not remove the protective covers from the
ports. Storage conditions: protected from exposure to weather;
storage temperature: -10°C to +70°C; relative humidity: 95%.
After storage at low temperature, the device must gradually be
brought to room temperature prior to use.
INSTALLATION AND MAINTENANCE
( pages 35 to 39)
For installation and maintenance, refer to the general
safety instructions. For work on the valve itself, refer to the
corresponding installation and maintenance instructions.
Warning
You must be careful when you switch on the power supply and
the pilot pressure of the signaling box while cover is open.
IO-Link is a registered trademark of Profibus Nutzerorganisation e.V.
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1
NC NC
1 1 2 2
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P P
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(2) (1) (2) (1)
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® master
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® master
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STORAGE
EN
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