Feldbus-Koppler/-Controller • 63
Fieldbus Controller 750-806
3.2.2 Hardware
3.2.2.1 View
Fieldbus connection Series 231 (MCS)
1 |
ON |
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DIP switch |
4 |
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for MAC ID |
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and baud rate |
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6 |
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8 |
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Configuration and programming interface
DeviceNet |
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OVERFL |
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C |
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MS |
B |
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RUN |
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BUS OFF |
24V |
0V |
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NS |
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CONNECT |
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I/O |
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USR |
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Status voltage supply
-Power jumper contacts -System
Data contacts
Supply 24V 0V
Supply via power jumper contacts
24V
Ñ 
Ñ
806- |
0V |
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750 |
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Power jumper contacts
operating
mode switch
flap opened
Fig. 3-20: Fieldbus Controller 750-806 DeviceNet |
g080600e |
The fieldbus Controller is comprised of:
•Device supply with an internal system supply module as well as power jumper contacts for the field supply via assembled I/O modules
•Fieldbus interface with the bus connection
•DIP switch for baud rate and node ID
•Display elements (LEDs) for status display of the operation, the bus communication, the operating voltages as well as for fault messages and diagnosis
•Configuration and programming interface and operating mode switch
•Electronics for communication with the I/O modules (internal bus) and the fieldbus interface
WAGO-I/O-SYSTEM 750
DeviceNet
64 • Feldbus Coupler/Controller
Fieldbus Controller 750-806
3.2.2.2 Device Supply
The voltage supply is fed in via the terminals with the CAGE CLAMP® connection. Device supply is intended for system supply and field side supply.
FIELDBUSINTERFACE |
ELECTRONICS |
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24V |
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1 |
5 |
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DC |
Bus |
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24V/0V |
10nF |
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DC |
modules |
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0V |
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6 |
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24V |
24V |
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ELECTRONICS |
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FIELDBUS |
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INTERFACE |
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3 |
7 |
1) |
2) |
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0V |
0V |
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10nF
1) 1M
4 |
8 |
2) 10nF/500V |
750-806
Fig. 3-21: Device supply |
g080601e |
The integrated internal system supply module generates the necessary voltage to supply the electronics and the connected I/O modules.
The fieldbus interface is supplied with electrically isolated voltage from the internal system supply module.
WAGO-I/O-SYSTEM 750
DeviceNet
Feldbus-Koppler/-Controller • 65
Fieldbus Controller 750-806
3.2.2.3 Fieldbus Connection
The scope of delivery includes the plug connector 231-305/010-000/050-000 from the WAGO MULTI CONNECTION SYSTEM. The connector has gold plated contacts and has the signal designations printed at it clamping units.
The connection diagram shows the table, the colours resulting in accordance with the DeviceNet specification and are identical to the conductor colours of the DeviceNet cables.
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Signal |
Code |
Description |
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V+ |
5 |
V+ |
red |
11 ... 25 V |
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Fieldbus |
CAN_High 4 |
CAN_H |
white |
CAN Signal High |
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connection |
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3 |
Shield |
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Shield connection |
Series 231 |
drain |
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(MCS) |
CAN_Low |
2 |
CAN_L |
blue |
CAN Signal Low |
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V- |
1 |
V- |
black |
0 V |
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Fig. 3-22: Fieldbus connection, MCS |
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g012500e |
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For the connection of small conductor cross sections, we recommend to insert an insulation stop from series 231-670 (white), 231-671 (light grey) or 231672 (dark grey) due to the low kink resistance. This insulation stop prevents a conductor from kinking when it hits the conductor contact point, and as such, the conductor insulation from being also entered into and clamped in the connection point. Connector marking, housing components, test connectors including cables and heater connectors for cable extensions, are available.
The connection point is lowered in such a way that after a connector is inserted, installation in an 80 mm high switchbox is possible.
The electrical isolation between the fieldbus system and the electronics is made via the DC/DC converter and the optocoupler in the fieldbus.
WAGO-I/O-SYSTEM 750
DeviceNet
66 • Feldbus Coupler/Controller
Fieldbus Controller 750-806
3.2.2.4 Display Elements
The operating condition of the fieldbus Coupler or node is signalled via light diodes (LED).
Four LED’s, specific for DeviceNet (OVERFL, RUN, BUSOFF, CONNECT), indicate the module status (MS) or the network status (NS).
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OVERFL |
A |
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C |
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C |
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MS |
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A |
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RUN |
B |
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D |
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BUS OFF |
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24V |
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0V |
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NS |
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CONNECT |
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I/O |
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USR |
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Fig. 3-23: Display elements 750-806 |
g080602x |
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LED |
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Color |
Meaning |
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OVERFL |
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red |
Errors or faults at the fieldbus Coupler. |
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RUN |
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green |
Fieldbus Coupler is ready for operation. |
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BUS OFF |
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red |
Error or malfunction at network |
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CONNECT |
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green |
Fieldbus Coupler is ready for network communication. |
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IO |
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red |
The 'I/O'-LED indicates the operation of the node and signals faults |
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/green / |
encountered. |
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orange |
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USR |
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red |
The 'USR' LED can be selected by a user program in a programma- |
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/green / |
ble fieldbus Controller |
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orange |
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A |
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green |
Status of the operating voltage system |
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C |
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green |
Status of the operating voltage – power jumper contacts |
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WAGO-I/O-SYSTEM 750
DeviceNet