| SIMATIC S7-400, function module FM 450-1 for counter function with 2 channels incl. configuration package on CD |
Supply voltage |
Load voltage 1L+ |
Reverse polarity protection | Yes |
Load voltage 2L+ |
Reverse polarity protection | Yes |
Auxiliary voltage 1L+, load voltage 2L+ |
Rated value (DC) | 24 V |
permissible range, lower limit (DC) | 20.4 V; Dynamic 18.5 V |
permissible range, upper limit (DC) | 28.8 V; dynamic 30.2 V |
non-periodic skip |
— Duration | 500 ms |
— Recovery time | 50 s |
— Value | 35 V |
Input current |
from load voltage 1L+ (without load), max. | 50 mA |
from load voltage 2L+ (without load), max. | 60 µA |
from backplane bus 5 V DC, max. | 300 mA |
Encoder supply |
5 V encoder supply |
5 V | Yes; 5.2 V ±2 % |
Short-circuit protection | Yes |
Output current, max. | 300 mA |
24 V encoder supply |
24 V | Yes; 1L+ (-3 V) |
Short-circuit protection | Yes |
Output current, max. | 300 mA |
Power loss |
Power loss, typ. | 6 W |
Digital inputs |
Number of digital inputs | 6 |
Functions | 1 for gate start, 1 for gate stop, 1 for setting the counter |
Input voltage |
for signal "0" | -28.8 ... +5V |
for signal "1" | +11 to +28.8V |
Input current |
for signal "1", typ. | 9 mA |
Input delay (for rated value of input voltage) |
Input frequency (with a time delay of 0.1 ms), max. | 200 kHz |
for standard inputs |
— parameterizable | Yes |
— at "0" to "1", max. | 2.5 µs; ≥ 2.5 µs (200 kHz); ≤ 25 µs (20 kHz) |
Digital outputs |
Number of digital outputs | 4 |
Short-circuit protection | Yes; Clocked electronically |
Limitation of inductive shutdown voltage to | 2L+ (-39 V) |
Output voltage |
for signal "0", max. | 3 V |
for signal "1", min. | 2L+ (-1,5 V) |
Output current |
for signal "1" rated value | 0.5 A; Res. / P.D. 5 W tungsten 24 V DC |
for signal "1" permissible range for 0 to 60 °C, min. | 5 mA |
for signal "1" permissible range for 0 to 60 °C, max. | 0.6 A |
Output delay with resistive load |
"0" to "1", max. | 300 µs |
Encoder |
Connectable encoders |
Incremental encoder (symmetrical) | Yes; With 2 pulse trains offset by 90° |
Incremental encoder (asymmetrical) | Yes |
24 V initiator | Yes |
24 V directional element | Yes; 1 pulse train, 1 direction level |
Interrupts/diagnostics/status information |
Status indicator | Yes; 14 green LEDs for status of CR, DIR, inputs and outputs |
Diagnostics function | Yes |
Alarms |
Diagnostic alarm | Yes; Parameterizable |
Hardware interrupt | Yes; Parameterizable |
Diagnostic messages |
Diagnostic information readable | Yes |
Diagnostics indication LED |
Description | 2 red LEDs for internal and external errors |
Status indicator digital input (green) | Yes |
Status indicator digital output (green) | Yes |
Counter |
Number of counter inputs | 2; 32 bit or ±31 bit |
Counter input 5 V |
Type | RS 422 |
Terminating resistor | 220 Ω |
Differential input voltage | min. 0.5 V |
Counting frequency, max. | 500 kHz |
Counter input 24 V |
Input voltage for signal "0" | -30 to +5V |
Input voltage for signal "1" | +11 to +30V |
Input current for signal "1", typ. | 9 mA |
Counting frequency, max. | 200 kHz |
Minimum pulse width | ≥ 2.5 µs (200 kHz); ≥ 25 µs (20 kHz) (parameterizable) |
Parameter |
Remark | Assigned binary addresses: 64 bytes/64 bytes |
Potential separation |
Potential separation digital inputs |
between the channels and backplane bus | Yes; Optocoupler |
Potential separation digital outputs |
between the channels and backplane bus | Yes; Optocoupler |
Potential separation counter |
between the channels and backplane bus | Yes; Optocoupler |
Permissible potential difference |
between different circuits | 75 V DC/60 V AC |
Isolation |
Isolation tested with | 500 V |
Connection method |
required front connector | 1x 48-pin |
Dimensions |
Width | 25 mm |
Height | 290 mm |
Depth | 210 mm |
Weights |
Weight, approx. | 650 g |
last modified: | 03/13/2019 |