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.
Содержание LOGOLINE 500d
Страница 106: ...9 Consumables 106 9 2 Removing and replacing the chart cassette S F ENTER E S F ENTER E...
Страница 108: ...9 Consumables 108 9 2 1 Changing the roll chart 1 5 2 6 3 7 4 8...
Страница 109: ...9 Consumables 109 9 2 2 Changing the fanfold chart 1 4 2 5 3...
Страница 110: ...110 10 Extra Codes and accessories 10 1 Converting the chart cassette 1 3 2 4...
Страница 113: ...10 Extra Codes and accessories 113 ER 8 Error Power L L L1 N 97 98 99 TxD RxD RxD TxD GND 8 1 8 2 8 3...
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