NOTICE!
Attention:
All I/O channels (digital and analog) are protected against reverse polarity,
reverse supply, short circuit and continuous overvoltage up to 30 VDC.
2.5.4.1 Power Supply
Depending on the variant, the processor modules can be connected to the following supply vol-
tages:
L+ M F + M
24VDC OUT24VDC IN
LE
L N FE L+ M
24VDC OUT
100−240VAC IN
24 VDC 100 - 240 VAC
The electrical connection is established via a removable 5-pin terminal block. As the terminal
block is also available as a spare part (inside TA570 Spare Part Set for AC500-eCo processor
modules), further information on the terminal block for power supply and the terminal block for
serial RS-485 adaptor is provided under
Ä
Chapter 2.5.5.12 “TA570 - Spare Part Set”
on page 1247.
The 24 VDC variant contains 2 L+ and M terminals. The L+ terminal on the left side is the input
and the right side is the output. The M terminals are internally interconnected. The supply can
be easily looped through to the onboard digital inputs.
CAUTION!
Risk of damaging the processor module and the connected modules!
Voltages > 35 VDC (DC variants only) or > 288 VAC (AC variants only) might
damage the processor module and the connected modules.
Make sure that the supply voltage never exceeds 35 VDC / 288 VAC.
CAUTION!
Risk of damaging the processor module!
Excess currents at 24 VDC output (24 VDC processor module variant) will
damage the processor module.
Use an appropriate fuse within 24 VDC input connection.
The 100-240 VAC variant contains an internal power supply with a wide-range input. It provides
a 24 VDC output at the terminals L+ and M which can be used to supply the onboard digital
inputs.
The voltage output at 100-240 VAC variants can provide 180 mA max. The
output is protected against overload by a self-resetting fuse (PTC).
Power Supply
System Assembly, Construction and Connection
AC500-eCo > Connection and Wiring
2019/04/17 3ADR010121, 13, en_US 1209
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