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2 wiring to a host (pc or plc), Wiring to a host (pc or plc), Notes on self−made pc system cables – Lenze 8200 motec frequency inverter 0.25kW-7.5kW User Manual

Page 66: Parameter setting, With communication module lecom−a (rs232)

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Parameter setting

With communication module LECOM−A (RS232)

6−11

L

EDB82MV752 EN 5.2

6.3.2

Wiring to a host (PC or PLC)

Pin assignment of 9−pole SubD socket

Installation/commissioning

Pin

Designatio
n

Input (E) / output

(A)

Explanation

1

not assigned

2

RxD

e

Data reception" cable

3

TxD

a

Data transmission" cable

4

DTR

a

Transmission control

5

GND

Reference potential

6

DSR

e

not assigned

7

not assigned

8

not assigned

9

GND

Reference potential for T/R (A), T/R (B) and +5 V

 = PC system cable

‚ = connecting cable

ƒ = plug

The Global Drive Control easy parameterisation
software must be installed on your PC.
1. Connect communication module to the PC via

PC system cable

1.

2. Insert the connecting cable

2 into the

diagnosis terminal.

3. Remove protective cap

3 from the motec

heatsink.

4. Connect connecting cable

2 to the interface

(AIF) of the controller.

When the mains voltage is switched on, the
communication module is ready for operation. You
can communicate with the drive.

Tip!

·

The controller has a double basic insulation to EN 50178. An additional electrical isolation is
not required.

·

Use the Lenze accessories listed for wiring.

6.3.2.1

Notes on self−made PC system cables

Specification for RS232
interface cable

Cable type

LIYCY 4 x 0.25 mm

2

shielded

Cable resistance

v 100 W/km

Capacitance per unit
length

v 140 nF/km

Specification for SubD
connector

Use metallic SubD housing only.
Connect the shield on both ends to the housing.

Pin assignment

Must be connected to PC or similar with

at communication module

9−pole SubD socket pin

25−pole SubD socket pin

9−pole SubD plug pin

2 (RxD)

3 (TxD)

2 (TxD)

3 (TxD)

2 (RxD)

3 (RxD)

5 (GND)

5 (GND)

7 (GND)