Lenze 8200 motec - LECOM-B (RS485)

3
Lenze
3-26
8200 motec/starttec en 12/03
Automation
Fieldbus function modules
Communication via the function module LECOM-B (RS485)
uses the Lenze LECOM protocol. This protocol is open to
the user.
LECOM-B (RS485)
LECOM-B (RS485) – can be used in the 8200 motec Order no. E82ZAFLC001
– can be used in the starttec (always in conjunction
with support frame for function modules E71ZJ001)
Components which support this protocol are available for
various systems (e.g. Simatic S5).
X3/ Designation Function :Level
 PES Additional HF screen termination
A T/R(A) RS485 data line A
B T/R(B) RS485 data line B
CN CNTR
1)
When sending data:
CNTR = HIGH
(+5 V, reference: GND3)
VP
1)
+5 V (reference: GND3)
40 GND3 Reference potential 3 for LECOM-B network
1)
7 GND1 Reference potential 1
39 GND2 Reference potential 2 for controller inhibit (CINH) on X3/28
28 CINH Controller inhibit • Start = HIGH (+12 V ... +30 V)
• Stop = LOW (0 … +3 V)
20 DC voltage source for internal controller inhibit +20 V (reference: GND1)
(CINH) power supply
59 External DC power supply for function module U(ext.) = +24 VDC ±10%
(reference: GND1)
Terminal assignment
GND1
GND1
B
CN
7
20
59
X
3
+5V
+20V
AVP
2839
7
BA
T/R(A) T/R(B) T/R(A) T/R(B)
GND2
40
GND3
Controller inhibit (CINH) power supply via internal
voltage source (X3/20)
Minimum wiring required for operation
Controller inhibit (CINH) power supply via external
voltage source
GND1
GND1
B
CN
720
59
X
3
+5V
+20V
A
VP
28397
BA
T/R(A) T/R(B) T/R(A) T/R(B)
GND2
_
_
+
+
40
GND3
GND1
GND1
B
CN
7
20
59
X
3
+5V
+20V
AVP
2839
7
BA
T/R(A) T/R(B) T/R(A) T/R(B)
GND2
_
+
40
GND3
Function module and controller inhibit
(CINH) power supply via external voltage source
1)
e.g. connection of a repeater
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