The propagation delay of the Trigger signals from the master device to a slave device can be roughly estimated by adding the typical delays encountered in each segment of the signal path.
Typical Delay values per C2C-Link segment
| Delay Element | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
|
(1) IntraPC interconnection (Whole IntraPC C2C-Link interconnect including FPGA I/O and IntraPC cable) |
0 | 5 | 10 | ns |
|
(2) 1636 InterPC C2C-Link Adapter – IntraPC-to-InterPC delay |
15 | ns | ||
| (3) 1636 InterPC C2C-Link Adapter – InterPC-to-IntraPC delay | 20 | ns | ||
| (4) 1636 InterPC C2C-Link Adapter – InterPC-to-InterPC delay | 0 | ns | ||
| (5) InterPC LAN cable | 5 | ns/m |
Example 1 – IntraPC Configuration
For an IntraPC only configuration there is only one delay element to consider: (1)
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
|
(1) IntraPC interconnection |
0 | 5 | 10 | ns |
| Total Trigger Delay | 0 | 5 | 10 | ns |
Example 2 – 3-adapter InterPC Configuration; 20 m+20 m LAN cable
This configuration is composed of 3 Intra-PC segments. For devices belonging to the same IntraPC segment as the Master device, there is only one element to consider.
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
|
(1) IntraPC interconnection |
0 | 5 | 10 | ns |
| Total Trigger Delay for devices of the Master InterPC segment | 0 | 5 | 10 | ns |
For devices belonging to the same IntraPC segment as the Slave1 adapter, there are 5 delay elements to consider:
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
|
(1) Master IntraPC interconnection |
0 | 5 | 10 | ns |
|
(2) Master 1636 InterPC C2C-Link Adapter – IntraPC-to-InterPC delay |
15 | ns | ||
| (5) Master to slave1 InterPC LAN cable – 20 m | 100 | ns | ||
| (3) Slave1 1636 InterPC C2C-Link Adapter – InterPC-to-IntraPC delay | 20 | ns | ||
|
(1) Slave1 IntraPC interconnection |
0 | 5 | 10 | ns |
| Total Trigger Delay for devices of the Slave1 InterPC segment | 145 | ns |
For devices belonging to the same IntraPC segment as the Slave2 adapter, there are 7 delay elements to consider:
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
|
(1) Master IntraPC interconnection |
0 | 5 | 10 | ns |
|
(2) Master 1636 InterPC C2C-Link Adapter – IntraPC-to-InterPC delay |
15 | ns | ||
| (5) Master to slave1 InterPC LAN cable – 20 m | 100 | ns | ||
| (4) Slave1 1636 InterPC C2C-Link Adapter – InterPC-to-InterPC delay | 0 | ns | ||
| (5) Slave1 to slave2 InterPC LAN cable – 20 m | 100 | ns | ||
| (3) Slave2 1636 InterPC C2C-Link Adapter – InterPC-to-IntraPC delay | 20 | ns | ||
|
(1) Slave2 IntraPC interconnection |
0 | 5 | 10 | ns |
| Total Trigger Delay for devices of the Slave2 InterPC segment | 245 | ns |