Samson 3725 series, Mounting And Operating Instructions

Page: 3 / 68

Contents
EB 8394 EN 3
1 General safety instructions .............................................................................6
2 Article code ...................................................................................................7
3 Design and principle of operation ..................................................................8
3.1 Technical data .............................................................................................10
4 Mounting the positioner ...............................................................................12
4.1 Mounting sequence ......................................................................................12
4.2 Lever and pin position ..................................................................................12
4.3 Direct attachment .........................................................................................14
4.3.1 Type 3277-5 and Type 2780-2 Actuators ......................................................14
4.3.2 Type 3277 Actuator ..................................................................................... 18
4.4 Attachment according to IEC 60534-6 ...........................................................20
4.5 Attachment to Type 3372 Actuator (V2001) ...................................................22
4.6 Attachment to rotary actuators ......................................................................24
4.6.1 Heavy-duty version ...................................................................................... 26
4.6.1 Mounting the Type 3710 Reversing Amplifier ................................................. 28
4.7 Accessories and mounting parts ....................................................................29
5 Connections ................................................................................................33
5.1 Pneumatic connections..................................................................................33
5.1.1 Supply pressure ...........................................................................................33
5.2 Electrical connections ...................................................................................34
5.2.1 Electric power supply ...................................................................................35
5.2.2 Selecting cables and wires ............................................................................35
5.2.3 Equipment for use in zone 2 .........................................................................35
5.2.4 Cable entry .................................................................................................35
6 Operation ...................................................................................................36
6.1 Operating controls ....................................................................................... 36
6.1.1 Capacitive keys ............................................................................................ 36
6.1.2 Volume restriction Q ..................................................................................... 36
6.1.3 Display .......................................................................................................37
7 Start-up ......................................................................................................38