
11
SMB Interface (Serial Measurement Bus, F/A1500 Only):
•
AFR, F/A, Lambda, %O2, and Module Status Output
•
Each Module can be assigned an address from 0h to Fh using a switch on the side
of the module
•
Auto-detect feature for Device Identification
•
38400 baud, 1 Start Bit, 8 Data Bits, No parity
•
For Communication Protocol, See SMB Interface Section
•
SMB Ground and Power are Isolated (±200V max)
SMB/PC Cable Terminal Assignments (F/A1500 Only):
(Cable from PC to SMB/PC Port on F/A1500 Module, 6ft., P/N 1500A-16)
DB9 Female (to PC)
Terminal Number
DB9 Male (to Module)
Terminal Number
2 (Rx)
1
3 (Tx)
2
5 (Gnd)
6
SMB/PC Cable Terminal Assignments (F/A1500 Only):
(Cable from SMB/PWR to SMB/PWR ports on F/A1500 Modules, 1ft., P/N 1500A-17)
DB9 Male (to Module)
Terminal Number
DB9 Male (to Module)
Terminal Number
1
2
2
1
6
6
3
3
7
7
8
8
4
4
5
5
9
9
General Information
Power:
11 to 28 VDC at 5A (surge), 1.4A (continuous)
Fuse:
Internal, automatically resetable
Dimensions:
4" x 3.5" x 1",
102mm x 89mm x 25mm (W x H x D)
Weight:
5.6 oz., 160 gm.
Summary of Contents for F/A1000
Page 1: ...F A1000 F A1500 Fuel Air Ratio Monitor Instruction Manual 02 06 Part Number 1001A 6...
Page 4: ...ii Supplementary Information 15...
Page 19: ...15...
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Page 23: ...19 State Diagram for SMB Communication...
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Page 26: ...Los Altos CA 94023 0040 USA 408 734 3433 Fax 408 734 3432 www ecm co com...