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64 Appendices MoTeC Appendix E: Update Rate Summary The following table shows the maximum update rates for the various measurement devices Device Input Type Maximum Update Rate (per second) ACL RS232 Communications 200 * ACL General CAN communications 200 * VIM AV Fast Inputs 5000 VIM AV Differential Voltage Inputs 1000 VIM AV High Resolution Inputs 500 VIM AV Special Inputs 2000 VIM Speed Inputs 100 ADL2/SDL Analogue Voltage Inputs 1 to 4 (ADL2/SDL) and 11 to 14 (ADL2) 1000 ADL2/SDL Other Analogue Voltage Inputs 500 ADL2/SDL Analogue Temperature Inputs 500 ADL2/SDL Lambda Inputs 100 ADL2/SDL Digital & Speed Inputs 100 SDL Internal G Sensors 100 E888 Thermocouple Inputs (First Device / Second Device) 100 / 50 E888/816 Analogue Voltage & Digital Inputs (First Device / Second Device) 200 / 50 *RS232 & General CAN Communications update rate depends on how frequently the data is sent from the device. Typically the update rate from an M4, M48, M8 or M800 ECU is about 20 times per second using RS232 and about 50 times per second for the M800 using CAN.
