De-centralized WAGO/I system
Assembly
The decentralised field bus couplers of the WAGO I/O system are controlled using the RS485 Modbus RTU or using the Ethernet TCP/IP. Communication takes place between the UMG and one or more bus couplers into which the respective inputs and outputs are plugged-in.
The WAGO I/O system is fixed to a DIN rail. If the RS485 is used, a Profibus cable or a suitable cable e.g. Li2YCY (TP) 2x2x0.22 should be used not excecd whereby the maximum distance between the master and slave may only be up to 1000 m.
Abb.: WAGO coupler with RS485 connection (15.06.202) with outputs (15.06.250) and end terminal (15.06.251)
WAGO standard components
The WAGO field bus couplers can generally be used with all plug-in terminals from WAGO. However, only the most common ones are shown here:
| Description | Item nummber |
| Field bus coupler, Modbus RTU, RS485 for digital and analogue signals, 9.6, 19.2, 38.4, 115.2kBaud, supply voltage 24VDC |
15.06.202 |
| Field bus coupler, Ethernet TCP/IP for digital signals, supply voltage 24VDC |
15.06.204 |
| Digital output terminal 2-channel relay, 230VAC 2 charge over 1A |
15.06.250 |
| Analogue output terminal 2-channel, 0…20mA | 15.06.261 |
| End terminal | 15.06.251 |
| Interface cable UMG bus coupler RS485, length 5m | 08.02.424 |
The Ethernet field bus coupler 15.06.204 is used if RS485 cabling is not desired or not possible. The coupler reads the UMG 507E/UMG 604 marker status using the Ethernet and switches the output terminals 15.06.250 accordingly. The allocation of the marker to the WAGO output takes place through the web interface of the WAGO coupler.
Janitza electronics® takes over full configuration:
A program relating to the necessary outputs is loaded on to the coupler before delivery. The following data is required for the delivery: future IP adress of the UMG 507/UMG 604 and WAGO coupler, gateway and SubNetMask and the number of required outputs. Delivery can only take place once this data is provided!
Application: diverse control tasks e.g. shutdown of consumers for maximum demand management or fault indication.
