
EasyGrid Base User Guide v1.0
20
5 Wiring Information
5.1 General
The following section is a recommendation; you must conform to your local electrical code
Use copper wire, solid or stranded. Copper wire ferrules can be used with stranded conductors
System GND -> 8 AWG (8mm
2
) copper conductors required for grounding the EasyGrid Base for
electromagnetic interference (EMI) purposes:
o
We recommend: Earth strap AMP# 1337670-3 or Crimp terminal AMP ring tongue terminal #
8-33460-2
o
Torque recommendation for M5 nut: 2Nm (18lb-in)
All terminal blocks: 28 to 16AWG (0.14 to 1.5mm
2
) copper conductors
Note for 24V DC power, minimum wire size is 22AWG (0.33mm
2
)
Terminal
block
Part #
Manufacturer
Recommended
screwdriver blade
Recommended
torque
Recommended
strip length
Wire size
range
Power
1850851
Phoenix Contact
0.4 X 2.5mm
0.23Nm (2lb-in)
9mm
0.33 - 1.5mm
²
RS-485 / RS-422
1850880
Phoenix Contact
0.4 X 2.5mm
0.23Nm (2lb-in)
9mm
0.14 - 1.5mm
2
System Relay
1850864
Phoenix Contact
0.4 X 2.5mm
0.23Nm (2lb-in)
9mm
0.14- 1.5mm
2
Analog Outputs
1850958
Phoenix Contact
0.4 X 2.5mm
0.23Nm (2lb-in)
9mm
0.14- 1.5mm
2
5.2 Power
CAUTION
When you chose the power supply, make sure to check the temperature derating in order to
have 15W available for all the working temperature.
Power Supply
The EasyGrid Base has the following power requirement:
• Voltage: 24V DC ± 5%
• Power consumption: < 15 Watts
Should you be looking for a power supply, FISO recommends
the use of Power Supply # 2868648 from Phoenix Contact.