220
Agilent 1260 Infinity II Preparative Autosampler User Manual
12
Hardware Information
Interfaces
It allows easy connection between single instruments or systems to ensure
coordinated analysis with simple coupling requirements.
The subminiature D connector is used. The module provides one remote
connector which is inputs/outputs (wired- or technique).
To provide maximum safety within a distributed analysis system, one line is
dedicated to
SHUT DOWN
the system’s critical parts in case any module detects
a serious problem. To detect whether all participating modules are switched
on or properly powered, one line is defined to summarize the
POWER ON
state
of all connected modules. Control of analysis is maintained by signal readiness
READY
for next analysis, followed by
START
of run and optional
STOP
of run
triggered on the respective lines. In addition
PREPARE
and
START REQUEST
may
be issued. The signal levels are defined as:
•
standard TTL levels (0 V is logic true, + 5.0 V is false),
•
fan-out is 10,
•
input load is 2.2 kOhm a 5.0 V, and
•
output are open collector type, inputs/outputs (wired- or technique).
N O T E
All common TTL circuits operate with a 5 V power supply. A TTL signal is defined as "low"
or L when between 0 V and 0.8 V and "high" or H when between 2.0 V and 5.0 V (with
respect to the ground terminal).
