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Compiled Approved IMI STI S.r.l has taken every care in collecting and verifying the documentation contained in this Instruction Manual. The information herein contained are reserved property of IMI STI S.r.l IMI STI - Via Dei Caravaggi 15, 24040 Levate, BG, Italy - www.stiactuation.com / www.imi-critical.com...
TERMS AND CONDITIONS IMI STI guarantees each single product to be without defects and to be conform to current goods specifications. Unless otherwise stated on the purchased order, the warranty period is one year from the date of installation by...
SHP Positioner is designed to be installed in hazardous area within a mechanical / pneumatic control unit enclosure. IMI STI - Via Dei Caravaggi 15, 24040 Levate, BG, Italy - www.stiactuation.com / www.imi-critical.com Manual 4056, rev. 03 28/06/2024 – SHP...
IMI STI. For further information, contact IMI STI or see related manual. Figure 2 IMI STI - Via Dei Caravaggi 15, 24040 Levate, BG, Italy - www.stiactuation.com / www.imi-critical.com Manual 4056, rev. 03 28/06/2024 – SHP...
Check if the model corresponds with the one reported on the purchase order and if no defects are visible on the product. Product related documents are furnished with documents accompanying the machinery where the product Is mounted on. If the product is sold alone, contact IMI STI or downloads the documentation from IMI STI web site.
Only trained personnel should permit to alter the software control parameters. Incorrect settings may lead to personnel injury and or property damage. IMI STI - Via Dei Caravaggi 15, 24040 Levate, BG, Italy - www.stiactuation.com / www.imi-critical.com Manual 4056, rev. 03 28/06/2024 – SHP...
Check that no leakage occurs from pneumatic connections. If necessary, tighten the fittings. Collect tubing as indicated in the technical data table. Figure 3 IMI STI - Via Dei Caravaggi 15, 24040 Levate, BG, Italy - www.stiactuation.com / www.imi-critical.com Manual 4056, rev. 03 28/06/2024 – SHP...
“Execution” version (intrinsically safe or explosion proof) and “Signal fail position version” (fail safe or fail freeze). Fail freeze version is available only for intrinsically safe execution. IMI STI - Via Dei Caravaggi 15, 24040 Levate, BG, Italy - www.stiactuation.com / www.imi-critical.com Manual 4056, rev. 03 28/06/2024 – SHP...
Figure 4 If a fail freeze version is selected, piezo valve must be wired by IMI STI (piezo valve and pneumatic commutators are required, as shown in the following circuit). This version is available only for intrinsically safe execution. Digital output is not available.
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Inform the positioner about the ‘Requested position’. Remember to proper select the intrinsically safe barrier, see positioner safety manual and positioner certificate. Figure 7 IMI STI - Via Dei Caravaggi 15, 24040 Levate, BG, Italy - www.stiactuation.com / www.imi-critical.com Manual 4056, rev. 03 28/06/2024 – SHP...
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100 Kohm. The optocoupler requires an external power source to be energized via J1 pins 1 & 4. IMI STI - Via Dei Caravaggi 15, 24040 Levate, BG, Italy - www.stiactuation.com / www.imi-critical.com Manual 4056, rev. 03 28/06/2024 – SHP...
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6) High speed transfer data USB connection Suitable for maintenance and commissioning. A dedicated interface cable is needed. Figure 11 IMI STI - Via Dei Caravaggi 15, 24040 Levate, BG, Italy - www.stiactuation.com / www.imi-critical.com Manual 4056, rev. 03 28/06/2024 – SHP...
Figure 12 – Ex d barrier Figure 13 Remember to proper connect the Ex d barrier earthling port IMI STI - Via Dei Caravaggi 15, 24040 Levate, BG, Italy - www.stiactuation.com / www.imi-critical.com Manual 4056, rev. 03 28/06/2024 – SHP...
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Method 2 : Connect the two yellow/green wires ( that are connected to the enclosure) in pins J1/2 and J2/2 IMI STI - Via Dei Caravaggi 15, 24040 Levate, BG, Italy - www.stiactuation.com / www.imi-critical.com Manual 4056, rev. 03 28/06/2024 – SHP...
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See below to understand how to manage input impedance in case your DCS has limited voltage output. Figure 14 – Option 1 Figure 15 – Option 2 IMI STI - Via Dei Caravaggi 15, 24040 Levate, BG, Italy - www.stiactuation.com / www.imi-critical.com Manual 4056, rev. 03 28/06/2024 – SHP...
Be sure that no pressurized fluid could be present inside the product, fittings, tubing. The staff must be qualified for the required operation. IMI STI - Via Dei Caravaggi 15, 24040 Levate, BG, Italy - www.stiactuation.com / www.imi-critical.com Manual 4056, rev. 03 28/06/2024 – SHP...
This product is an electro-pneumatic positioner for pneumatic actuators. IMI STI will not be liable for any possible damage or physical injury resulting from use in other than the designated applications or by lack of care during installation, operation, adjustment, or maintenance. Such risks lie entirely with the user.
Hazardous fluid emission (i.e. when natural gas is used as fluid under pressure). IMI STI - Via Dei Caravaggi 15, 24040 Levate, BG, Italy - www.stiactuation.com / www.imi-critical.com Manual 4056, rev. 03 28/06/2024 – SHP...
Take suitable precautions to ensure that even in case of malfunctions the positioner’s maximum admissible operating pressure is not exceeded. Otherwise, positioner and/or actuator may be damaged. IMI STI - Via Dei Caravaggi 15, 24040 Levate, BG, Italy - www.stiactuation.com / www.imi-critical.com Manual 4056, rev. 03 28/06/2024 – SHP...
The supply circuit must be protected to prevent current exceeding the fixed limit. The equipment must be provided with cable entries and filler plugs certified according to the required certification. IMI STI - Via Dei Caravaggi 15, 24040 Levate, BG, Italy - www.stiactuation.com / www.imi-critical.com Manual 4056, rev. 03 28/06/2024 – SHP...
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When needed, send back the device to IMI STI for any repairing. Product disassembling and reassembling shall be carried out only by IMI STI authorized operators. IMI STI - Via Dei Caravaggi 15, 24040 Levate, BG, Italy - www.stiactuation.com / www.imi-critical.com Manual 4056, rev. 03 28/06/2024 – SHP...
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Call IMI STI S.r.l. gasket and/or loosed fittings Leakages on pneumatic circuits Damage of fittings Change pneumatic fittings IMI STI - Via Dei Caravaggi 15, 24040 Levate, BG, Italy - www.stiactuation.com / www.imi-critical.com Manual 4056, rev. 03 28/06/2024 – SHP...
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The product decommissioning shall be made by specialized operators. Check local authority regulation before disposal IMI STI - Via Dei Caravaggi 15, 24040 Levate, BG, Italy - www.stiactuation.com / www.imi-critical.com Manual 4056, rev. 03 28/06/2024 – SHP...
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