8
80963B_MSW_GFW_11-2012_ENG
CONNECTION
Each GFW has an optically isolated serial port RS485 (PORT 1) with standard Modbus protocol via connectors J8
and J9 (type RJ10).
You can insert a serial interface (PORT 2). There are various models based on the field bus required: Modbus, Pro-
fibus DP, CANopen, DeviceNet and Ethernet.
This communication port (PORT 2) has the same Cod address as PORT 1.
The parameters for PORT 2 are bAu.2 (select baud-rate) and Par.2 (select parity).
The Cod parameter (read only) shows the value of the node address, settable from 00 to 99 with the 2 rotary switches; the
hexadecimal settings are reserved.
A parameter can be read or written from both communication ports (PORT 1 and PORT 2).
Changing the
bAu
(select baud-rate) and/or
PAr
(select
parity) parameters may cause communication failure.
To set the bAu and PAr parameters, you have to run the Autobaud procedure described in the “Instruction and warnings” manual.
Installation of the “MODBUS” serial network
A network typically has a Master that “manages” communication by means of “commands” and Slaves that interpret
these commands.
GFW are considered Slaves to the network master, which is usually a supervision terminal or a PLC.
They are positively identified by means of a node address (ID) set on the rotary switches (tens + ones).
GFW have a ModBus serial (Serial 1) and optional Fieldbus (Serial 2) serial (see order code) with one of the following
protocols: ModBus, Profibus, CANopen, DeviceNet, Ethernet, EtherCAT and EthernetIP.
The following procedures are indispensable for the Modbus protocol.
For the remaining protocols, see the specific Geflex Profibus, Geflex CANopen, Geflex DeviceNet, Geflex Ethernet,
GFX4-EtherCAT and GFX4-ETH1 manuals.
GFW modules have the following default settings:
- node address = 0 (0 + 0)
- speed Serial 1 = 19200 bit/s
- parity Serial 1 = none
- speed Serial 2 = 19200 bit/s
- parity Serial 2 = none
You can install a maximum of 99 GFW modules in a serial network, with node address selectable from “01” to “99” in standard
mode, or create a mixed GFW / GFX4 network in GFX compatible mode in which each GFW identifies 3 zones with sequential
node address starting from the code set on the rotary switches.
In short, the valid rotary switch settings (tens + ones) are:
- (0 +0) = Autobaud Serial 1
- (B +0) = Autobaud Serial 2
46
(od
R
Device identification code
1 ... 99
45
baV
R/W
Select Baudrate - Serial 1
4
0
1200 bit/s
1
2400 bit/s
2
4800 bit/s
3
9600 bit/s
4
19200 bit/s
5
38400 bit/s
6
57600 bit/s
7
115200 bit/s
Baudrate table
47
par
R/W
Select parity - Serial 1
0
0
No parity
1
Odd
2
Even
Parity table
626
bav.2
R/W
Select Baudrate - Serial 2
4
627
par.2
R/W
Select parity - Serial 2
0
Содержание GFW ADV
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