1
Non-IEEE-488 Communication Connections 21
The values of the event output signals generated by the 996 detector are specified by
parameter values set from the Millennium
32
Workstation. For details, refer to the “Waters
996 Detector Properties” topic in the
Millennium
32
Online Help
Find tab.
Electrical Specifications
Before you connect an external device to an event input or output terminal, refer to the
electrical specifications in Table 1-2
and Table 1-3.
Attention:
To avoid damage to the 996 detector electronics, be sure you make the proper
electrical connections as outlined in this section.
Required Materials
• Small flat-blade screwdriver
• One electrical insulation stripping tool
• Event signal cables (in Startup Kit)
Table 1-2 Event In (Inject Start) Terminal Specifications on TTL or Switch Closure
Parameter Specification
Low trigger <1.8 V
High trigger >3.0 V
Protected to ±30 V
Minimum pulse width 30 msec
Maximum current 5 mA
Table 1-3 Event Out Terminal Specifications on Contact Closure
Parameter Specification
Maximum power 10 W
Maximum current 0.5 A at 20 V
Maximum voltage 24 V RMS
STOP
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