Waters ACQUITY RDa, Overview And Maintenance Manual

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Table D–1: I/O signal connections (continued)
Callout Screenprint Software function Description
ACQUITY UPLC I-
Class/Premier BSM.
For the ACQUITY RDa
Detector, use Pins 1
and 2; for the
ACQUITY UPLC I-
Class/Premier BSM,
use Pins 3 and 4.
Maximum 30 V, 0.5 A
Event Out 2 Used to send time-
based contact closure
signals to external
devices. Maximum 30
V, 0.5 A
Switch -
Injection Start + Event In 1 Signals the start of an
injection. >5 V or <1.5
V
Injection Start - Event In Ground
Event In + Event In 2 Allows an external
device to start data
acquisition. >5 V or
<1.5 V
Event In - Event In Ground
Analog - Analog Ground 0 to 10 V, not used
Analog Output
Note:
Event Out 1, Event Out 2, Event In 1, and Event In 2 are configurable in the software.
D.8.1 Signal connections
Requirement:
To meet the regulatory requirements of immunity from external electrical
disturbances, install connection covers over the signal connectors.
To make signal connections:
1. For input and output signal connection details, see Input/output signal connectors (Page
102) .
2. To make the signal connections, attach the positive and negative leads of the signal cable
to the connector.
August 20, 2021, 715005003 Ver. 04 (Previously released as Revision C)
Page 103