Specifications 163
A
Table A-5 Communications
Condition Specification
IEEE-488 24-pin female connector
RS-232 Modified modular phone connector
Event Inputs (2)
Hold injection (2)
Each input has an internal pull-up resistor
connected to +5 V and is protected to ±30 V.
A logic low is defined as an input voltage of
between –30 V and 1.8 V.
A logic high is defined as an input voltage of
between 3.0 V and 30 V
The minimum pulse width detectable is
30 milliseconds.
Event Output (1)
Inject Start (2)
Inject Stop (1)
Each output is a separate relay contact closure.
Contact rating (permanent damage will result if
exceeded):
Maximum resistive load: 10 VA
Maximum switching voltage: 40 Vdc
Maximum switching current: 0.25 A
Maximum carry current: 1.0 A