12
80951C_MHW_GF_VEDO EL35CT-EL57CT_03-2010_ENG
3.5.1 Power supply port
The internal power supply (24Vdc, -15% +20%) is galvanically isolated and protected against polarity reverses and
short circuits. The panel has a power terminal. The connector diagram is shown in Figure 11.
Note:
check that the power supply is able to deliver the power needed for correct operation of the device.
The device must always be grounded. Grounding helps limit the effects of electromagnetic noise on the control
system. All electronic devices of the control system must be grounded. Ground the devices in a manner conforming
to applicable standards and regulations.
Max consumption GF_VEDO EL35CT:
Max consumption GF_VEDO EL57CT:
• (without integrated I/O) 240mA, 5W
• (without integrated I/O) 480mA, 8.5W
• (with integrated I/O) 360mA, 7W
• (with integrated I/O) 490mA, 9W
Fig. 12 - Power supply connector
Pin
Name
Description
1
+24 VDC
Positive feed
2
0 V
GND
3
GND
Ground
1
2
3
To limit susceptibility to noise of the GF_VEDO EL57CT terminal, you have to install an electromagnetic emission
suppression core as shown in figure.
This component, supplied with the product, is a ferrite core coated in plastic for round section wires.
Fig. 12 - Inserting cores in the power supply lines of GF_VEDO EL57CT terminals
1 2 3
+24Vcc ±25%
+24V
0V
