JUMO 706021 LOGOLINE 500d Line Recorder Operating Manual - Manual (Page 17)

4 Electrical connection
17
Analogue inputs Input 1 Input 2 Input 3
Resistance thermometer/
potentiometer in 2-wire circuit Field Field Field
1. 2. 3.
*R
comp
=R
line
Resistance thermometer/
potentiometer in 3-wire circuit
Resistance thermometer/
potentiometer in 4-wire circuit
Resistance transmitter
with 3-wire connection A = start
S = slider
E = end
Field
External relay module ER8 Communication with ex-
ternal relay module ER8
8.
Supply for external 2-wire
transmitter 24V ±5%, 45 mA
Logic operating inputs Contact operation
LOW = R
OFF
≥
100k
Ω
min.
HIGH = R
ON
≤
50
Ω
max
.
Terminal 7=logic input 1
...
Terminal 14=logic input 8
Minimum pulse duration:
HIGH 500 msec
LOW 500 msec
Voltage operation
LOW = 0 — 5 V DC
(not activated)
HIGH = 20 — 35 V DC
(activated)
Terminal 7=logic input 1
...
Terminal 14=logic input 8
Serial interface
RS422 or RS485 Communication with
higher-level systems
9.