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Allen-Bradley Spares
Auto Transmit Delay (turnaround time) per Communication Rate
Communication
Min Delay
Rate (Kbps)
(ms)
600
7.3
1200
7.3
2400
5.5
4800
2.7
9600
1.3
14400
0.9
19200
0.6
AUTO
0.3
(1)
The pre-send transmit delay setting is used in your device's (for example, SLC and MicroLogix controller)
communications configuration.
(2)
Use a pre-send value, depending upon the network communication rate being used.
Auto-transmit Delay for AIC+ Interface Converter Using Auto-transmit Detection
(no hardware handshaking)
RS-485 Communication
Port (Phoenix Plug)
Packet to
Network Device
Auto Transmit Delay is measured from the time the AIC+ interface
converter transmits its last mark out of the RS-485 port, until the delay
time expires. The AIC+ interface converter will not accept RS-485 port
data during the Auto Transmit Delay time.
Specifications and Dimensions
Max Delay
Typical Delay
(ms)
(ms)
15.0
10.8
15.0
10.8
11.2
8.1
5.7
4.0
2.8
2.0
1.9
1.4
1.4
1.0
0.7
0.5
Packet From
Network Device
Auto Transmit Delay
(turnaround time)
Publication 1761-UM004B-EN-P - June 2006
35
Pre-send
Transmit Delay
(1)
Setting (ms)
16
16
12
6
3
2
2
(2)
Network Device
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