18
Device Description
WAGO-I/O-SYSTEM 750
750-484 2 AI 4-20 mA HART Ex i
Manual
V 1.2.0 HW-Version 04, SW-Version 03
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.
The I/O module 750-484 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 6: 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 750-606 or 750-625/000-001 Ex-i
Supply Module is 1 A.
When configuring the system, ensure that this current is not exceeded.
If exceeded, an additional potential feed module must be used.
