Samson 3730-6, Mounting And Operating Instructions

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Contents Page
1 Important safety instructions . . . . . . . . . . . . . . . . . . . . . . 6
2 Article code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3 Design and principle of operation . . . . . . . . . . . . . . . . . . . . 8
3.1 Safety function (SIL) . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2 Valve diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.3 Flow rate calculation. . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.4 Type of application . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.5 Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.5.1 Configuration using TROVIS-VIEW 4 . . . . . . . . . . . . . . . . . . 12
3.6 Additional equipment . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.7 Technical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4 Attachment to the control valve – Mounting parts and accessories . . . 20
4.1 Direct attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.1.1 Type 3277-5 Actuator . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.1.2 Type 3277 Actuator . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.2 Attachment according to IEC 60534-6 (NAMUR) . . . . . . . . . . . . 26
4.3 Attachment to Type 3510 Micro-flow Valve with Type 3271-5 Actuator . 28
4.4 Attachment to rotary actuators . . . . . . . . . . . . . . . . . . . . . 30
4.4.1 Heavy-duty version . . . . . . . . . . . . . . . . . . . . . . . . . . 32
4.5 Reversing amplifier for double-acting actuators . . . . . . . . . . . . . 34
4.6 Attaching an external position sensor. . . . . . . . . . . . . . . . . . 34
4.6.1 Mounting the position sensor with direct attachment. . . . . . . . . . . 34
4.6.2 Mounting the position sensor with attachment according to IEC 60534-6 36
4.6.3 Mounting the position sensor to Type 3510 Micro-flow Valve . . . . . . 37
4.6.4 Mounting the position sensor to rotary actuators . . . . . . . . . . . . 38
4.7 Mounting the leakage sensor. . . . . . . . . . . . . . . . . . . . . . 39
4.8 Attaching positioners with stainless steel housings . . . . . . . . . . . . 40
4.9 Air purging function for single-acting actuators . . . . . . . . . . . . . 40
4.10 Required mounting parts and accessories. . . . . . . . . . . . . . . . 41
5 Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
5.1 Pneumatic connections . . . . . . . . . . . . . . . . . . . . . . . . . 45
5.1.1 Signal pressure gauges . . . . . . . . . . . . . . . . . . . . . . . . 45
5.1.2 Supply pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
5.1.3 Signal pressure (output) . . . . . . . . . . . . . . . . . . . . . . . . 46
5.2 Electrical connections . . . . . . . . . . . . . . . . . . . . . . . . . 46
5.2.1 Switching amplifiers . . . . . . . . . . . . . . . . . . . . . . . . . . 48
EB 8384-6 EN
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