Aim ANET42, Руководство пользователя

Страница: 50 / 67

5. Structure of the ANET429
ANET429-x Users Manual 40
The time tag on the board is generated in the format shown in Table 3-1 below.
Time Element
Number of bits
DAYS of year 9
HOURS of Day 5
MINUTES of Hour 6
SECONDS of Minute 6
MICROSECONDS of Second 20
Summary 46 (6 Bytes, stored in two 32bit words)
Table 5-1 Time Tag Format
5.6.2 Time Tag Methods
The IRIG-IN and IRIG-OUT signals shall be connected depending on the time tag
method used as shown below.
1) Single AIM-Module no external IRIG-B source
No connection required
2) Multiple AIM-Modules with no common synchronization requirement
No connection required
3) Single or multiple AIM-Module(s) with external IRIG-B source
Connect external IRIG-B source to IRIG-IN and GND of all modules
4) Multiple AIM-Modules with no external IRIG-B source internally
Synchronized
Connect the IRIG-OUT signal and the GND of the module you have chosen
as the time master to all IRIG-IN signals (including the time master).
5.7 Powering the ANET429
In general any external power supply (wall adapter) providing 9VDC…15VDC can be
used to power the ANET429.
An external 12VDC power supply is recommended and is provided with an ANET429
module. All on board voltages are generated from this voltage.