品牌:福克斯波羅 | 規格:FBM241C P0916FH | 材質:FBM241C P0916FH |
產地:美國 |
FBM241CP0916FH
FBM241CP0916FH
FBM241CP0916FH
1.通過對上位機和PLC之間的串行通信的方式以及接口標準的研究,確定了本控制係統中的通信子係統所使用的通信標準和接口。
2.通信協議是保證串行通信的穩定性和可靠性的重要環節。本章對上位機和SIMATIC S7-200係列PLC之間採用自定義通信協議的串行通信進行了研究,並對自定義通信協議中的重要指令的格式定義進行了詳細的設計和分析。此外,還對通信程序的發送、接收、應答、BCC校驗和數據維護子模塊的設計進行了詳細的分析。
MARCONI NMCU SDH 32 800309/2,NETWOR?K MCU 220-800309-426 BOARD
MARCONI NMCU SDH 32 800309/2,NETWOR?K MCU 220-800309-426 BOARD #1
PANASONIC AC SERVO MOTOR MSM011A1EE WORKING
PULSTEC FOCUS-SERVO/FE-?MEAS 2 BOARD OPA-031-01
PULSTEC RF-LEVEL-3 OPA-071-01 BOARD #1
PULSTEC RF-LEVEL-3 OPA-071-01 BOARD #2
PULSTEC TRACK-SERVO/TE-?MEAS OPA-040-01 BOARD
INDUSTRIAL SBC,PC,IPC,PENT?IUM-4 CPU,ADVANTECH PCA-6186
FREE SHIPPING,TESTE?D-WORKING
Enlarge
BUS EXTENSION BOARD (SIMULATOR)
PANASONIC MATSUSHITA ELECTRIC INDUSTRIAL PANADAC 572 BOARD LA-572003,LK572?003A
ROCKWELL SAMSUNG MULTI AXIS CONTROLLER MAC-C0202R #1
NIKON BD PLAN 40 0.55 LV LENS
ORIENTAL VEXTA 5-PHASE DRIVER RKD514LM-C LOT OF 2
ORIENTAL VEXTA 5-PHASE DRIVER RKD514H-C LOT OF 2
SCHNEIDER ELECTRIC TELEMECANIQUE ALTIVAR 31 ATV31HU22M3XA
Olympus NeoSPlan10NIC IC10 0.25 ∞/- f=180
ASAHI KEIKI CO.,LTD METER CONTROLLER A3100-H-3L NEW IN BOX
CIS G20E20,VCC-G20E?20MIR,2.0 .4 .8 .16 C,15MM 1:2.0
FENWAL AR33 DIGITAL CONTROLLER AR33L1-J75371,A?R33L-16-SAR-AA NIB
INDUSTRIAL SBC,PC,IPC ADVANTECH PCA-6178 REV:A1 TESTED WORKING
MOTOROLA MVME,VME 147-023 6000BC CPU BOARD