Measurement Computing Data Translation DT9857 User Manual page 111

Figure 41 shows how to connect a maximum of four DT9857E modules to synchronize all the
analog output subsystems. If you wanted to synchronize all the analog input subsystems and
all the analog output subsystems, you would also use the wiring diagram shown in
Master Analog Output Subsystem Settings:
Synchronization Mode is Master.
Trigger Source can be Software or External
Digital Trigger.
Inputs
Device
Under Test
Inputs
Inputs
Inputs
Slave Analog Output Subsystem Settings:
Synchronization Mode is Slave.
Trigger source is ignored (Sync Bus is used).
*Note that first and last module in chain must be terminated with 100
Control Panel applet; see
The RJ45 cables must be less than 1 foot in length.
Figure 41: Synchronizing the Analog Output Subsystems of Up to Four DT9857E Modules
Note: When synchronizing the analog output channels, cables between the Ain Sync Bus
connectors (B and D) are required because the reference clock is provided by the Ain Sync
connectors.
DT9857E
Master
Ain Sync Bus
1*
DA Out Sync Bus
DT9857E
Slave
2
DA Out Sync Bus
DT9857E
Slave
3
DA Out Sync Bus
DT9857E
Slave
4*
page 38 for more information.
To Host PC
USB 3.0 HUB
USB USB USB
Port 1 Port 2 Port 3
USB
USB
Ain Sync Bus
USB
Ain Sync Bus
USB
Ω
using the
Principles of Operation
Figure 41.
USB
Port 4
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