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Safety relays
Basic devices
2010
CA08103002Z-EN
www.eaton.comSafety
13/13
ES4P…
Transistor outputs
Number
4
Rated operational voltage
U
e
V DC 24
Permissible range
U
e
V DC 20.4 - 28.8
Ripple
%
≦ 5
Protection against polarity reversal
Yes (Caution: A short circuit will result if 0 V or GND is applied to the
outputs in the event that the supply voltage is connected to the
wrong poles.)
Potential isolation
From power supply
Yes
From the inputs
Yes
From PC interface, memory card, network, easyNet,
easyLink
Yes
Rated operational current at signal "1" DC
I
e
A
Max. 0.5
At signal “1” with I
e
= 0.5 A
V
U = U
e
-1
V
Short-circuit protection
Yes, thermal
Short-circuit tripping current for R
a
≦ 10 mΩ
A
0.7
≦ I
e
≦ 2 per output
Total short-circuit current
A
8
Peak short-circuit current
A
16
Thermal cutout
Yes
Max. operating frequency at constant resistive load RL < 100 kO
(
dependant on program and load)
Ops/h 40000
Parallel connection of outputs
No
Status indication of the outputs
LCD display (if provided)
Inductive load
Without external suppressor circuit
Duty factor
T
0.95
≈ 3 x T
0.65
= 3 x L/R
T
0.95
= Time in ms, until 95 % of the steady-state current has been
reached
With external suppressor circuit
Utilization factor
g
1
Duty factor
%
DF
100
Max. switching frequency, max. duty factor
Operations
Depending on the suppressor circuit
Safety technical data
www.moeller.net/de/products_solutions/solutions/safety/safety_valuesESP4
90
102
110
M4
107.5
75
16.25
16.25
45
58
56.5
47.5
4.5