FF
PID FF Profibus I/O
FF EPC DCS FF D PFD/P&ID H1 / EPC FF FF C A B
D A C B FF FF FF FF DCS FF FF H1 FAT EPC DCS /FF 11 FAT DCS/FF FAT SAT
EPC FF DCS DCS DCS FF FF / / DCS / CPU / / I/O FF
EPC FF DCS FF FF FF FF I/O
EPC FF DCS FF FF 100% FAT FF FAT SAT
FF FF H1 FF DCS FF SIS 4-20mA HART FF AI LAS ITK DCS FF PID AO DI LAS ITK DCS PID DCS FF IEC61158 FF
FF H1 FF H1 Chicken Foot H1 FF FF FF FF FF 60mA FF FF H1 H1 FF 9 H1 FF 2
H1 1 H1 1 1 H1 1 1 2 H1 H1
H1 LAS H1 R LAS H1 FF FF DCS DCS 100% H1 FF FAT H1 12 FF H1 LAS DCS FAT FF 1200 FF 18#AWG 0.8m2 7
FF H1 FF FF UPS 20-35V.DC H1 24V.DC FF H1 FF FF H1 H1 24V.DC FF H1 H1 FF DCS FF H1 14V.DC
(Link Active Scheduler LAS)
FF PID FF AMS VALVELINK PC FF DCS/FCS FF
Delta V Valve Transmitter BKCAL_IN BKCAL_OUT FIELDVUE AI OUT IN OUT PID CAS_IN AO
-1 8 H1 Up to 8 H1 segments No spurs 1 H1 1 H1 segments HOST Junction Box Junction Box Homerun Homerun cable cable Up to 9 devices / H1 9 /H1 Multi-pair cable Single pair cable up to 8 pairs 8 Spurs Transmitter Valve etc
-2 1 H1 1 H1 segments HOST Junction Box Homerun cable Single pair cable Up to 9 devices / H1 9 /H1 Spurs Transmitter Valve etc
FF FF FF H1 R PID DCS H1 FF H1 H1 1200 FF IEC61158-2 FF FF 4-20mA DC AI/AO PID DCS
EPC DCS P&ID Segment FF HART FF HART
FF H1 ( Segment) Segment Segment Segment, PID Segment
H1 (Segment) Segment * 1000 ms - 700 ms - 300 ms -AI -AO -PID 100ms(max) 30ms 130ms(max) 60ms 160ms(max) 120ms H1 40ms(max)
FF (IEC61158-2) 18AWG(A) 0.8 100 20% at 31.25 khz K m (max) 22 / (max) 150pF/m mm (max) 3db at 39kHz 90% (+) (-) (+) (-),, 2
FF 8 FF /Segment FF = Trunk + Spur 500m 8 x 40m = 320m 500m + 320m = 820m FF 44 /km FF 14V.DC FF 30mA FF 8 /Segment * FF * FF - 30mA x 8 = 240mA (max) -FF - 60mA 0.3A x 44 /km x 0.5 = 6.6V - 240mA + 60mA = 300mA - FF 0.03A x 44 /km x 0.04 = 0.0528V
H1 (R) 25V-6.6V=18.4V DC FJB PSC Trunk 500m 300 ma 24V.DC 40m 18.4V-0.0528V=18.3472V 30mA 350mA 25V DC FT PT CV 1* 2* 8* * 120m 18.4V - (120/40) X 0.0528V = 18.2416V
FF VCR-Virtual Communication Relationships FF VCR - / Publisher/Subscriber VCR - Report Distribution VCR - / Client/Server VCR Segment 20-25 VCR VCR * AI / PID AO VCR AI / PID AO * AI /DCS PID / AO DCS VCR VCR / PID / VCR AI / AO * AI PID / AO VCR / AI PID / AO VCR
FF * + - > 50k + - > 200M * + - > 1 F 0.8-1.2 F + - > 300 F * + - 28V.DC * FF 123 124 AC AC200mV/ 10 s/
FF * * * * DCS *
FF FF DD DCS H1 FF FF FF FF H1 H1 DCS control studio, DCS
DCS DCS down load DCS DSC idle time >50% DCS
SECCO EMERSON / 2940 2728 64 239 13 VORTEX 548 3864 PH 55 10487
SECCO DCS/SIS I/O AI AO DI DO Serial I/O Total I/O No of segment DCS 10241 2661 6182 2570 120300 141954 2473 SIS 2496-4511 2914-9921
SECCO Segment/FF FF Segments FF No/Segment 755 167 4.52 164 40 4.10 221 65 3.40 183 44 4.16 311 76 4.10 260 65 4.00 136 32 4.25 142 44 3.32 2172 533 4.10 * /Segment 91 17.1% *1 /Segment 200 39.0% *2 /Segment 234 43.9%
Segment Validation Summary Number of instrument in the Segment Voltage at instrument Total cable length Total current consumption Total capacitance Assigned instrument that has not spur connected to the trunk Number of terminators Number of devices per spur Maximum spur cable length