Siemens S5-135U/155U System Manual page 341

Terminals
Rated DC voltage of module
Reference potential for DC voltage
Rated AC voltage of module
Reference potential for AC voltage
Permissible line length for digital output modules
Enable inputs
Short-circuit signaling output (only when the short-
circuited output is at logic 1)
Max. permissible supply voltage
for rated voltage 24 V DC (L+/L-)
for rated voltage 60 V DC (L+/L-)
for rated voltage 115 V/230 V AC (L/N)
Supply voltage ripple V referred to rated DC vol-
pp
tage
Interference suppression at digital inputs
Interference pulse length at digital outputs
Circuitry for inductive loads:
Switching of capacitive loads:
Safety tests
Surge voltage test to IEC 255-4
RFI test to IEC 255-4
Safety test for the -4UA13/-4UA14 modules
Immunity from conducted interference on signal
line
Immunity from discharge of static electricity
1)
Supply and signal voltages must be produced as functional voltage with safety separation.
2)
The supply voltage range values are limit values. They include ripple.
3)
If not otherwise specified
4)
Must be bridged by the signal receiver
System Manual
C79000-G8576-C199-06
L+
L–
L
N
Allow for the line resistance and tolerance of the supply
voltage for the relevant output current.
F+
F–
(Enable voltage according to the rated voltage of the mod-
ule)
H+
(Supply for 1L+, referred to L- of the module)
1)
36 V DC for 100 ms
1)
90 V DC for 100 ms
276 V AC for 100 ms
2)
15 % max.
3)
1.5 ms
3) 4)
1.5 ms
Protective devices to limit the breaking voltage are provided
on the digital output modules. Additional protective cir-
cuitry for the load is only required in exceptional cases.
Exception: 458 digital output module
50 nF max. at full load
DC: Input/output to L-: V
AC: Input/output to L-: V
DC: Input/output to L-: V
AC: Input/output to L-: V
1 kV to IEC 801-4 (burst) for -4UA13 module
2 kV to IEC 801-4 (burst) for -4UA14 module
8 kV discharge in air to IEC 801-2, equivalent to 4 kV con-
tact discharge (see Chap. 3 and page 4-16)
6 kV contact discharge for -4UA14 module
Digital Input/Output Modules
= 1 kV, 1.2/50 ms
p
= 2.5 kV, 1.2/50 ms
p
= 1 kV, 1 MHz
p
= 2.5 kV, 1 MHz
p
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