Thermcraft XST-3-0-36-3V - Manual (Page 45)

Installation and Operation Handbook Installation
2408 and 2404 Controller 1-15
ProfiBus Wiring
Controllers supplied with model numbers 2408f and 2404f are fitted with ProfiBus
communications modules fitted in the H slot. Further details of ProfiBus communications is
given in Appendix E and the ProfiBus Communications handbook part number HA026290.
This handbook can be downloaded from
www.eurotherm.co.uk .
SHIELD
Station 1
HA
HB
HC
HD
HE
HF
Shield
VP (+5Vdc Voltage Potential)
B (Rx/Tx +ve)
A (Rx/Tx -ve)
DGND (Digital ground)
Not connected
B
390 Ω
Last Station
HA
HB
HC
HD
HE
HF
Shield
VP (+5Vdc Voltage Potential)
B (Rx/Tx +ve)
A (Rx/Tx -ve)
DGND (Digital ground)
Not connected
Intermediate stations
Last station only requires
terminating resistors 390 Ω
220 Ω
A
B A
B A
2408f or 2404f controller
2408f or 2404f controller
Twisted
pair
Twisted
pair