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Automation products
I/O expansions
2010
CA08103002Z-EN
www.eaton.comCompact PLCs
EC4E-221-6D4T1
Transistor outputs
Number
4
Rated operating voltage
U
e
V DC
24
Permissible range
U
e
V DC
20.4 - 28.8
Ripple
%
≦ 5
Supply current
At state ”0”
Normally.⁄
max.
mA
9/16
At state ”1”
Normally.⁄
max.
mA
12/22
Protection against polarity reversal
Yes (Caution: A short circuit will result if 0 V or GND is applied to
the outputs if that the supply voltage is connected to the wrong
poles.)
Potential isolation
From power supply
Yes
From PC interface, memory card, network NET, easyLink
Yes
Rated operational current at state “1” DC for channel
I
e
A
Max. 0.5
Lamp load without R
v
for channel
W
5
Residual current at state “0” for channel
mA
< 0.1
Max. output voltage
At state “0” with external load < 10 MΩ
V
2.5
At state “1” at I
e
= 0.5 A
V
U = U
e
-1
V
Short-circuit protection
Yes, thermal (analysis via diagnostics input R16)
Short-circuit tripping current for R
a
≦ 10 mΩ
A
0.7
≦ I
e
≦ 2 for output
Total short-circuit current
A
8
Peak short-circuit current
A
16
Thermal cutout
Yes
Max. operating frequency at constant resistive load R
L
< 100 kΩ
(
dependent on program and load)
Ops/h
40000
Parallel connection of outputs
With resistive load, inductive load with external suppressor
circuit, combination within a group
Group 1: Q1 to Q4
Number of outputs
Max.
4
Max. total current
A
2 (
Caution! Outputs must be activated simultaneously and for
the same duration)