simatic s7-300 - megaelektrik.net

SIMATIC S7-400
Function modules
FM 455 closed-loop control modules
■ Overview
5
• 16-channel closed-loop control module for universal closedloop
control tasks
• Suitable for temperature, pressure, and flow control systems
• User-friendly online self-optim ization for temperature controls
• Preprogrammed controller structures
• 2 control algorithms
• 2 variants:
- FM 455 C as continuous-action controller
- FM 455 S as step controller or pulse controller
• With 16 analog outputs (FM 455 C) or 32 digital outputs
(FM 455 S) for actuators
■ Technical specifications
6ES7 455-
0VS00-0AE0
6ES7 455-
1VS00-0AE0
Voltages and currents
Load voltage L+
- Rated value (DC) 24 V 24 V
- permissible range,
20.4 V 20.4 V
lower limit (DC)
- permissible range,
upper limit (DC)
28.8 V 28.8 V
Current consumption
• from load voltage L+ (no load),
max.
440 mA;
typ. 370 mA
400 mA;
typ. 330 mA
• Power dissipation, max. 17.3 W 16.2 W
• Power dissipation, typical 12 W 10.7 W
Connection system
• Requisite front connector 2 x 48-pin 2 x 48-pin
Digital inputs
• Number of digital inputs 16 16
Length of cable
- Length of cable shielded, max 1,000 m 1,000 m
- Length of cable unshielded, max 600 m 600 m
• Input characteristic to comply Yes
Yes
with IEC 1131, Type 2
Input voltage
- Rated value, DC 24 V 24 V
- for signal "0" -3 to 5 V -3 to 5 V
- for signal "1" 13 to 30 V 13 to 30 V
Input current
- for 1 signal, typical 7 mA 7 mA
Digital outputs
• Number of digital outputs 32
• Length of cable shielded, max.
1,000 m
• Length of cable unshielded, max.
600 m
• Short-circuit protection
Yes; electronic
of the output
• Limitation of voltage induced
L+ (-1.5 V)
on circuit interruption to
• Lamp load, max.
5 W
• Driving a digital input
Yes
6ES7 455-
0VS00-0AE0
6ES7 455-
1VS00-0AE0
Output voltage
- for 1 signal L+ (-2.5 V)
Output current
- for 1 signal rated value 0.1 A
- for 1 signal permissible range
5 mA
for 0 to 60 °C, min.
- for 1 signal permissible range
150 mA
for 0 to 60 °C, max.
- for 0 signal residual current, max. 0.5 mA
Parallel switching of 2 outputs
- for logical links Yes
Switching frequency
- at resistive load, max. 100 Hz
- at inductive load, max. 0.5 Hz
- at lamp load, max. 100 Hz
Load impedance range
- lower limit 240 Ω
- upper limit 4 kΩ
Analog inputs
• Number of analog inputs
• Length of cable shielded, max
• Permissible input voltage for the
voltage input (destruction limit),
max.
16; 16 for
thermocouples
or 2-conductor
connection 8 for
Pt100 or
4-conductor
connection
200 m; 50m at
80 mV and
thermocouples
20 V 20 V
• Permissible input voltage for the 40 mA 40 mA
current input (destruction limit), max.
Input ranges (rated values),
voltages
- 0 to +10 V Yes Yes
- -1.75 to +11.75 V Yes Yes
- -80 mV to +80 mV Yes Yes
16; 16 for
thermocouples
or 2-conductor
connection 8 for
Pt100 or
4-conductor
connection
200 m; 50m at
80 mV and
thermocouples
5/54 Siemens ST 70 · 2005