18 Device Description
WAGO I/O SYSTEM 750 XTR
750-481/040-000 2AI RTD Ex i XTR
Manual
Version 1.1.0
3.2.2
Power Jumper Contacts/Field Supply
Risk of injury due to sharp-edged blade contacts!
The blade contacts are sharp-edged. Handle the I/O module carefully to prevent
injury. Do not touch the blade contacts.
The I/O module 750-481/040-000 has 2 self-cleaning power jumper contacts that
supply and transmit power for the field side. The contacts on the left side of the
I/O module are designed as blade contacts and those on the right side as spring
contacts.
Figure 3: Power Jumper Contacts
Table 4: Legend for Figure “Power Jumper Contacts”
Contact
Type
Function
1
Spring contact Potential transmission (U
v
) for field supply
2
Spring contact Potential transmission (0 V) for field supply
3
Blade contact Potential feed-in (0 V) for field supply
4
Blade contact Potential feed-in (U
v
) for field supply
Do not exceed maximum current via power contacts!
The maximum current available from the “Power Supply 24 VDC Diagn for Ex i
XTR Modules” 750-606/040-000 is 1 A.
When configuring the system, ensure that this current is not exceeded.
If exceeded, an additional 750-606/040-000 must be used.
