Electric actuators for atex explosive areas (116 pages)
Summary of Contents for Watts AERCO Eurotherm 3508
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Technical Application Guide Eurotherm 3508 Controller Disclaimer The information contained in this manual is subject to change without notice from AERCO International, Inc. AERCO makes no warranty of any kind with respect to this material, including, but not limited to, implied warranties of merchantability and fitness for a particular application.
Eurotherm 3508 Controller Guide Section 1: OPERATOR BUTTONS 1 OPERATOR BUTTONS Auto/Manual Page Scroll Lower Raise A/MAN Toggles the selected loop between Auto and Manual operation. This button Manual operation means that the controller output power is adjusted by the user. The input can be sensor is still connected and reading the PV but the control loop is open.
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Eurotherm 3508 Controller Guide Section 2: NORMAL OPERATION HOME DISPLAY 2 NORMAL OPERATION HOME DISPLAY Units When the button is Process Variable (PV1) pressed the Setpoint source is shown, e.g. SP1 Setpoint (SP1) Output/Valve Position & Bar Graph Indicator, e.g. TAG-0101 •...
Eurotherm 3508 Controller Guide Section 3: BEACON DISPLAY AND DESCRIPTION 3 BEACON DISPLAY AND DESCRIPTION In a single loop controller OP1 and OP2 operate channel 1 and 2 outputs respectively for the configured loop. Illuminates when manual mode active. If the HOME display is showing the dual loop overview, MAN illuminates if Loop 1 is in manual.
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Eurotherm 3508 Controller Guide Section 4: SELECTING AUTO/MANUAL OPERATION 4 SELECTING AUTO/MANUAL OPERATION TAG-0101 • DRAFT Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 5 of 10...
Eurotherm 3508 Controller Guide Section 5: ACCESS LEVELS 5 ACCESS LEVELS Parameters are available under different levels of security are Eurotherm 3508 Access Levels Level 1, Level 2, Level 3 and Configuration Level. Level Pass Code Level 1 has no security password since it contains a minimal Level 1 Default set of parameters generally sufficient to run the process on a...
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Eurotherm 3508 Controller Guide Section 6: SELECTING ACCESS LEVELS 6 SELECTING ACCESS LEVELS () 1. From any display press and hold the PAGE button. After a few seconds the display will enter the Access List & show: Goto Level 1. () NOTE: Press SCROLL button to scroll through the list of Access parameters.
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Eurotherm 3508 Controller Guide Section 7: FUNCTION BLOCK NAVIGATION DIAGRAM 7 FUNCTION BLOCK NAVIGATION DIAGRAM TAG-0101 • DRAFT Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 8 of 10...
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Eurotherm 3508 Controller Guide Section 8: CHANGING MODBUS ADDRESS 8 CHANGING MODBUS ADDRESS 1. From Access Level 3 press until the Digital Communications Function Block is displayed. ▲ ▼ until Comms Identity “H” is displayed. 2. Press 3. Press until the Address Parameter is displayed.
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Eurotherm 3508 Controller Guide Section 9: TRANSITION FROM LOCAL TO REMOTE SETPOINT CONTROL 9 TRANSITION FROM LOCAL TO REMOTE SETPOINT CONTROL 1. Press until the Control Loop 1 (Lp1) Function Block is displayed. ▲ ▼ 2. Press until Setpoint (SP) is displayed. ...