
SIMATIC S7-400
Function modules
FM 450-1 counter module
6/78
Siemens ST 70 · 2013
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Technical specifications (continued)
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
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 +5 V
• Input voltage, for signal "1"
+11 to +30 V
• Input current, for signal "1", typ.
9mA
• 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
Galvanic isolation
Galvanic isolation digital inputs
• between the channels and the
backplane bus
Yes; Optocoupler
Galvanic isolation digital outputs
• between the channels and the
backplane bus
Yes; Optocoupler
Galvanic isolation counter
• between the channels and the
backplane bus
Yes; Optocoupler
Permissible potential difference
between different circuits 75 VDC / 60 VAC
Isolation
Isolation checked with 500 V
Connection method
required front connector 1x 48-pin
Dimensions
Width 25 mm
Height
290 mm
Depth 210 mm
Weight
Weight, approx. 650 g
6ES7 450-1AP00-0AE0
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Ordering data
Order No.
FM 450-1 counter module 6ES7 450-1AP00-0AE0
with 2 channels, max. 500 kHz;
for incremental encoder
Front connectors
48-pin
• with screw contacts, 1 item 6ES7 492-1AL00-0AA0
• with screw contacts, 84 items 6ES7 492-1AL00-1AB0
• with spring-loaded terminals,
1 item
6ES7 492-1BL00-0AA0
• with crimp contacts, 1 item 6ES7 492-1CL00-0AA0
• with crimp contacts, 84 items 6ES7 492-1CL00-1AB0
Front covers for CPU
and function modules
6ES7 492-1XL00-0AA0
Spare part
Kap_06_eng.book Seite 78 Donnerstag, 2. Mai 2013 4:16 16
© Siemens AG 2013
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