1290 Infinity II High-Speed Pumps User Manual 257
11 Hardware Information
Interfaces
Special Interfaces
The module includes a DC-Out (24 VDC) power line that is intended to be used
with certain modules that operate as CAN slaves, for example external valves.
The line has a limited output of 0.5 A (1.7 A as of August 2011) and is self
resetting.
USB (Universal Serial Bus)
USB (Universal Serial Bus) - replaces RS232, supports:
• a PC with control software (for example Agilent Lab Advisor)
• USB Flash Disk
Table 21 ERI signal distribution
Pin Signal Description
1 START REQUEST (L) Request to start injection cycle (for example, by start key on any
module). Receiver is the autosampler.
2 STOP (L) Request to reach system ready state as soon as possible (for
example, stop run, abort or finish and stop injection). Receiver is any
module performing run-time controlled activities.
3 READY (H) System is ready for next analysis. Receiver is any sequence con-
troller.
4 POWER ON (H) All modules connected to system are switched on. Receiver is
any module relying on operation of others.
5Not used
6 SHUT DOWN (L) System has serious problem (for example, leak: stops pump).
Receiver is any module capable to reduce safety risk.
7 START (L) Request to start run / timetable. Receiver is any module perform-
ing run-time controlled activities.
8 PREPARE (L) Request to prepare for analysis (for example, calibration, detec-
tor lamp on). Receiver is any module performing pre-analysis activi-
ties.
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