Endress+Hauser alpha-log Betriebsanleitung Seite 68

6 Technical data
Paper /
transport
Channel
identifier
Plot range /
zoom per
channel
"Digital 4 Control
inputs
I/O"
option
4 relay
outputs
Internal aux.
voltage
System inter-
face RS 485
(rear panel)
"Alpha- Real time
numeric" clock
option
Text printout
66
Roll paper DIN16230 - 120 - 64 - 10,5 - 56 - 34 g/m
Feed types: Standard, event (limit controlled),
external (with option "Digital I/O"): on contact closure
at control input
All presettable to: 0, 5, 10, 20, 60, 120, 240, 300, 600
mm/h, max. feed tolerance 150 ppm
Coloured signal traces;
on option "Alphanumeric printout":
Cyclic printout of channel identifier and selected
zoom range
Visible diagram length: approx. 60 mm
Zoom: Scaled signal range (in engineering units),
selectable in steps of 0.1 %
To DIN 19240: Input resistance approx.10 kOhm
Logic "0" equals -3...+5V. Activate with logic "1"
(equals +12...+30V, Length > 20 ms,
Bounce time < 5ms)
Selectable functions:
Lock front panel setting up
Additional functions only with option "Alphanumeric
printout":
Printout of date / time, instantaneous values, event
text, Feed rate change, recorder stop
Closing contact (can be set up as opening contact)
250V, 3A
Desk top version: U
24 V , max. 25 mA
DC
Cable length max. 1000 m
Presettable unit address
Battery free buffer (Gold Cap) on power failure at
least 50 h
Summer/normal time compensation
Date and time, measurement point identifier, unit
identifier, instantaneous values, engineering units,
zoom area, feed rates, 12 programmable event text
lines (each with 15 characters), limit infringements,
paper feed rate changes, power failure times (on/off)
= 30V (AC) / 60V (DC)
max eff
2