JUMO 706030 LOGOPRINT 500 Printing Recorder Operating Manual - Manual (Page 92)

10 Extra codes and accessories
92
10.2 “8 logic inputs”, “interface for ER8”,
“voltage output”
The Extra Code provides 8 logic inputs, the serial interface for the external re-
lay module ER8, and an electrically isolated power supply for 2-wire transmit-
ters.
The eight logic inputs can operated by floating contacts or by the following
voltage levels:
inactive
0 — 5V
active 20 — 35V
The voltage levels must be applied for at least 0.4sec.
Possible functions:
- external text
- binary-linked external text
- external start/stop
- change chart drive over to external speed
- event counter
- start scaling print
- start/stop of external report
- inhibit keys
- event traces