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Bernard Controls EZ60 User Manual

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23 pages
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INSTRUCTIONS DE MISE EN SERVICE,
STOCKAGE ET ENTRETIEN
INSTRUCTIONS FOR START-UP,
STORAGE AND MAINTENANCE
ANLEITUNG FÜR DIE INBETRIEBNAHME,
LAGERUNG UND WARTUNG
NR 1208_EZ_revB_A/F/D
Art: 5100134
EZ
Gamme
Range
Reihe
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Bernard Controls EZ60 Specifications

General IconGeneral
Operating temperature-20°C to +70°C
TypeElectric actuator
Power supply24 V AC/DC
Control typeOn-Off / modulating
Voltage Range24 V AC/DC
Control Signal4-20mA
CommunicationModbus
MountingDirect mounting on
Protection classIP67 / NEMA 4X
Protection RatingIP67 / NEMA 4X

Summary

Safety Information

Assembly

Handwheel Operation and Declutching

Commissioning for ON/OFF Actuator

Electrical Connections and Preliminary Tests

Guidance on wiring components, integrating thermal protector and torque limit switches, and performing initial electrical checks.

Setting of Mechanical Stops and Travel Limit Switches

Instructions for adjusting mechanical stops and setting travel limit switches for proper actuator operation within 90° range.

Position Feedback Potentiometer (Option)

Steps to set the potentiometer for accurate valve position feedback, covering both circuit board and support column mounted versions.

TAM Position Transmitter (Option)

Details on connecting and setting up the TAM transmitter for linear 0/4 to 20 mA signal proportional to valve position.

Auxiliary Control Switches

Information on connecting switches for OPEN and CLOSED signalling, actuated by brown and grey cams.

Commissioning - Actuator with MINIGAM Positionner

Description

Overview of MINIGAM+ controls for valve positioning, input signals, and dead band adjustment for accuracy.

Notes Regarding the Electrical Connections

Important considerations for electrical connections, signal cable separation, and shield connection for MINIGAM+.

MINIGAM+ Configuration

How to set input-output signals and operating parameters using switches on the MINIGAM+ circuit board.

Setting of Mechanical Stops and Travel Limit Switches

Procedure for adjusting mechanical stops and travel limit switches for MINIGAM+ actuators, ensuring correct valve travel.

Setting of Remote Position Signal

Steps to set the closed (0%) and open (100%) positions for the remote position signal output on MINIGAM+.

Dead Band Setting

Instructions on adjusting the dead band potentiometer to correct actuator 'hunting' and ensure stable positioning.

Auxiliary Control Switches

Details on connecting switches for OPEN and CLOSED signalling, managed by brown and grey cams.

Heating Resistor

Recommendation to supply the heating resistor upon actuator installation to prevent condensation.

Caution

Safety advice to replace covers immediately after start-up and ensure seals are clean and intact.

Troubleshooting

Table listing common problems, their causes, and corrective actions for actuator operation and control.

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