Hioki MEMORY HiCORDER MR8880 - Chapter 12 External Control; Connecting to the External Control Terminals

12.1 Connecting to the External Control Terminals
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Chapter 12 External Control
12
The external control terminals on the Memory HiCorder support trigger signal input
and output.
External Control
Chapter 12
1 START/IN1
Input signals for controlling the operation of the
instrument. (Start, stop, abort, print)
Input
2 STOP/IN2
3 GND
(common with instrument ground)
4 ALM/OUT
Output signals for instrument status.
(Printing, saving, instrument alarm)
Output
5 TRIG.OUT
Output signal when trigger applied.
Output
6 EXT.TRIG
(External trigger input)
Input external signals.
Input
External control
terminals
(Right side)
12.1 Connecting to the External Control
Terminals
To avoid electrical hazards and damage to the instrument, do not
apply voltage exceeding the rated maximum to the external con
-
trol terminals.
I/O terminals Maximum input voltage
Input EXT.TRIG
0 to 10 V DC
START/IN1
STOP/IN2
Output ALM/OUT
0 to 50 V DC
TRIG.OUT