RS232 Example Delay Values for Receive Data Delay Timer

1.Expect Delays when Sending/Receiving Data

For The delay between the transmit and receive VIs add both send and receive delays to ensure the receive buffer will have the entire packet

2.Receive Spectrum (With/without status)

• 256 Channels 80 MSec

• 512 Channels 140 MSec

• 1024 Channels 280 MSec

• 2048 Channels 540 MSec

• 4096 Channels 1080 MSec

• 8192 Channels 2140 MSec

3.General Message Delays

• Messages With Varying Data Fields 10 MSec per 100 bytes (no less than 10)

• 8 Byte Messages 10MSec

• Status 10 MSec

4.Total Sending/Receive Packet Delays (Minimum)

• MCA Control (20MSec) (Enable/Disable MCA)

• Clear Spectrum (20MSec)

• Status (20MSec)

5.Request/Receive Spectrum (With/without status)

• 256 Channels 100 MSec

• 512 Channels 150 MSec

• 1024 Channels 300 MSec

• 2048 Channels 550 MSec

• 4096 Channels 1100 MSec

• 8192 Channels 2150 MSec

6.Messages With Varying Data Fields In One Direction

• 10 MSec per 100 bytes (no less than 10) + 10 MSec for Request or ACK

7.Messages With Varying Data Fields In Both Directions

• 20 MSec per 100 bytes (no less than 10) + 10 MSec for Request/Response