Lenze E94P PositionServo Modbus User Manual download pdf (Page 15)

15 P94MOD01C

Commissioning

4 Commissioning

4.1 Overview

It is assumed that the user has familiarised themselves with how to set parameters using MotionView software.

Refer to the PositionServo with MVOB User Manual (S94PM01) for more details. The details that follow provide

a step-by-step guide to quickly and easily set-up a PositionServo drive to communicate on a Modbus network

4.2 Conﬁguring the Network Master/Client

The method for conﬁguring master/client devices differs greatly between manufacturers. Provided herein is

a very basic, generic guide to setting up a network master/client. Consult the master/client manufacturer for

conﬁguration assistance if required.

1. Launch the Master/client conﬁguration software.

2. Setup the Master/client Modbus port as required. Refer to Table 4.

Table 4: Modbus RTU and Modbus TCP/IP Settings

Modbus RTU Master settings Modbus TCP Client settings

Node address IP Address or DHCP enabled

Baud rate Subnet mask set as required, i.e. 255.255.255.0

Data bits = 8 (for Modbus RTU) Gateway set as required

Parity Service port = 502

Stop bits Baud rate set as required, i.e. 100Mbps

Flow control

3. Add generic Modbus slave/server node to the master/client

4. Set the slave/server node address.

5. Assign the Modbus slave/service registers as required.

NOTE:

In true Modbus, 3X and 4X Registers are numbered starting at 1. This is known as ‘one based’

addressing. However, when transmitted to a slave over the serial link, the actual address transmitted

is one less.

Some Modbus masters will allow for the ﬁrst register number to be 0. This is known as ‘zero based’

addressing. If this is the case, the Modbus register numbers listed in this manual must be offset by

-1 to properly program a master using ‘zero-based’ addressing.

Refer to Section 6 for a list of the PositionServo Modbus registers.

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 37 38

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Lenze E94P PositionServo Modbus User Manual Page 15