
Installation
Electrical installation
Cable cross−sections and screw−tightening torques
l
25
EDS82ZAFPC201 EN 4.0
Terminal
X3.2/
Designation
Function / level
+
PES
Additional HF shield termination
A
T/R(A)
RS485 data line A
B
T/R(B)
RS485 data cable B
CN
CNTR
For function see PROFIBUS standard *)
l
Level during data transmission: CNTR = HIGH
(+5 V DC, reference:GND3)
VP
For function see PROFIBUS standard *)
l
U = +5 V DC (reference:GND3)
l
I
max
= 10 mA
40
GND3
Reference potential for PROFIBUS network *)
7
GND1
Reference potential for X3.1/20 and X3.2/20
39
GND2
Reference potential of the
l
digital inputs at X3.1/E1 and X3.1/E2
l
controller inhibit (CINH) at X3.2/28
28
CINH
Controller inhibit
l
Start = HIGH (+12 ... +30 V DC)
l
Stop = LOW (0 ... +3 V DC)
(reference: GND2)
20
DC voltage source for internal supply of controller inhibit (CINH)
l
+20 V DC (reference: GND1)
l
I
max
= 20 mA
59
External DC voltage supply for the function module
l
+24VDC
±
10% (reference: GND1)
l
Current consumption on 24 V DC: 80 mA
The current for looping through the supply voltage to other nodes via
terminal 59 must be max. 3A.
*) E.g. for repeater connection
5.2.5
Cable cross−sections and screw−tightening torques
Range
Values
Electrical connection
Terminal strip with screw connection
Possible connections
rigid:
1.5 mm
2
(AWG 16)
flexible:
without wire end ferrule
1.0 mm
2
(AWG 18)
with wire end ferrule, without plastic sleeve
0.5 mm
2
(AWG 20)
with wire end ferrule, with plastic sleeve
0.5 mm
2
(AWG 20)
Tightening torque
0.22 ... 0.25 Nm (1.9 ... 2.2 lb−in)
Bare end
5 mm