Technical data
Connection terminals
l
15
EDS82ZAFIC EN 2.0
4.4
Connection terminals
Terminal
X3.1/
Designation
Function / level
59
External voltage supply of the function module
l
U = 24 V DC (21.6 V − 0% ... 26.4 V + 0 %)
l
Current consumption for 24 V DC: I = 90 mA
If the supply voltage is looped through to other bus nodes via terminal 59,
the current flowing must not exceed 3 A.
7
GND1
Reference potential for terminal X3.3/20
Terminal
X3.2/
Designation
Function / level
7
GND1
Reference potential for terminal X3.3/20
39
GND2
Reference potential for controller inhibit (CINH) on terminal X3.3/28
Terminal
X3.3/
Designation
Function / level
A
/DO1
RS485 data line (incoming)
B
DO1
C
/DI1
D
DI1
E
GND3
Reference potential for incoming data line
F
/DO2
RS485 data line (outgoing)
G
DO2
H
/DI2
J
DI2
K
GND1
Reference potential for outgoing data line
+
Additional HF shield termination
28
CINH
Controller inhibit
l
Input resistance: 3.3 k
W
l
Start = HIGH (+12 ... +30 V DC)
l
Stop = LOW (0 ... +3 V DC)
20
DC voltage source for internal supply of controller inhibit (CINH)
l
+20 V DC (reference: GND1)
l
I
max
= 10 mA