JUMO LOGOPRINT 500 - Page 80

7 Electrical connection
80
External relay
module ER8
Communication
with external
relay module
Field
Voltage source
for external
2-wire
transmitter
24V / 45mA
± 5%
7.
Logic operating
inputs
min. pulse length:
HIGH 400msec
LOW 400msec
Contact operation
LOW =
R
OFF
≥ 100kΩ
HIGH =
R
ON
≤ 50kΩ
Voltage operation
LOW =
DC 0 — 5V
(not active)
HIGH =
DC 20 — 35V
(active)
contact no. 7 =
logic input 1
.
.
.
contact no. 14 =
logic input 8
Open-collector
outputs
DOUT1 — DOUT4
U
max
= DC 32V
I
max
= 100mA
“On” voltage
DOUT active
U
DOUTactive
=
0.4 — 1.2V
8.
Serial interface
RS 422/RS 485
Communication
with higher-
level systems
9.