Samson 4785, Mounting And Operating Instructions

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Communication Data transfer according to PROFIBUS PA Profile, Class B, Version 3.0 according to
DIN EN 50170 and DIN 19245 Part 4 (version 2.0 also available)
Local interface SAMSON SSP interface for configuration and start-up
Bus address Adjustable using software or microswitch, delivered as 126
Accessories
Inductive limit switches Two proximity switches SJ 2 SN for connection to switching amplifier according to
EN 50227
Materials
Body Die-cast aluminum, chromated and plastic-coated
External parts Stainless steel 1.4571 and 1.4301
Weight Approx. 1.3 kg
For the intrinsically safe version 3785-1..., the data given in the type examination certificate apply (see Appendix)
Versions
Positioner versions
Model 3785 - X X X X X 3 X
Explosion protection Without
II 2 G EEx ia IIC T6 acc. to ATEX
With Ex ia CSA/FM
0
1
3
Accessories Limit switches Without
2 inductive
0
2 2
Forced venting Without
With
0
1 2
PA device profile Version 2.0
Version 3.0
0
1
Pneumatic
connections
NPT 1/4- 18
ISO 228/1- G1/4
1
2
Electric connections Cable gland M 20 x 1.5 with
shield, nickel-plated brass
Number: 1
Number: 2
1
2
EB 8382-2 EN
9