Establishing Hart Communication - Samson TROVIS 3730-3 Mounting And Operating Instructions

Accessories
Cable glands M20x1.5
Black plastic
(6 to 12 mm clamping range)
Blue plastic
(6 to 12 mm clamping range)
Nickel-plated brass
(6 to 12 mm clamping range)
Nickel-plated brass
(10 to 14 mm clamping range)
Stainless steel 1.4305
(8 to 14.5 mm clamping range)
Adapter M20x1.5 to ½ NPT
Powder-coated aluminum
Stainless steel
Connection in safe area
Controller/
control station
Connection in hazardous area
Controller/
control station
Fig. 32: Connection with FSK modem
EB 8484-3 EN
Order no.
8808-1011
8808-1012
1890-4875
1992-8395
8808-0160
0310-2149
1400-7114
Handheld communicator or
second FSK modem
4 to 20 mA
Explosion-protected isolation amplifier
Handheld communicator or second
FSK modem (explosion-protected)
5.15.3 Establishing HART
communication
Communication between computer and posi-
tioner using an FSK modem or handheld
communicator (if necessary, using an isola-
tion amplifier) is based on the HART
col.
Viator FSK modem
− RS-232 Non ex
− USB Non ex
If the load impedance of the controller or
control station is too low, an isolation ampli-
fier must be connected between controller
and positioner (interfacing as for positioner
connected in hazardous areas). See Fig. 32.
Safe area
Mounting and start-up
®
proto-
®
Order no. 8812-0130
Order no. 8812-0132
TROVIS 3730-3
Hazardous area
TROVIS 3730-3
79