Wiring System And Field Power; System Power - Moxa Technologies ioThinx 4530 Series Hardware User Manual

ioThinx 4530 Series Hardware Manual

Wiring System and Field Power

Wire range: 12 to 26 AWG (Ferrule diameter: 2.0 to 0.4 mm)
Wire strip length: 10 mm
Unit: mm (in.)
CAUTION
Be sure to note the maximum possible current for each power wire and common wire. Observe all electrical
codes dictating the maximum current allowable for each wire size. If currents exceed the maximum rating,
the wires will overheat, which could cause serious damage to your equipment. For safety reasons, we
recommend using 2-mm diameter wire to connect to the power supply (e.g., 12 AWG).
NOTE Powering the unit requires connecting both the system and field power to the power supply. If only one of
the power sources is connected, the device may not work properly.
NOTE
We recommended using different power supplies to ensure that the system power and field power are
isolated from each other. If using the same power supply for system power and field power, 3 KV or above
isolation between them is recommended.

System Power

This device requires a 12 to 48 VDC system power input. The system power powers this device and the
expansion modules via an internal bus, which is galvanically connected to the system power supply.
The amount of system current required to support an expansion module is 1 A. If more modules and more
power consumption is needed, an additional power module (45MR-7210) is required. Below is an example:
• 10 x 45MR-1600 (59.4 mA) = 594 mA
• 5 x 45MR-3810 (187 mA) = 935 mA
3-2
Hardware Installation