Siemens M7-400 사용자 설명서
Digital Modules
4-55
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
A5E00069467-07
Technical Specifications of the SM 421; DI 16
x
120/230 VUC
Dimensions and Weight
Dimensions W
H
D
(in millimeters)
25
290
210
Weight
Approx. 650 g
Data for Specific Module
Number of inputs
16
Length of cable
•
Unshielded
•
Shielded
600 m
1000 m
Voltages, Currents, Potentials
Power rated voltage of the
electronics L+
electronics L+
None
Number of inputs
that can be triggered
simultaneously
that can be triggered
simultaneously
16
Isolation
•
Between channels and
backplane bus
backplane bus
Yes
•
Between the channels
Yes
–
In groups of
4
Permitted potential difference
•
Between M
internal
and the
inputs
250 VAC
•
Between the inputs of the
different groups
different groups
500 VAC
Insulation resistance
4000 VAC
Current consumption
•
From the backplane bus
Max. 80 mA
Power dissipation of the
module
module
Typ. 12 W
Status, Interrupts, Diagnostics
Status display
Green LED per
channel
channel
Interrupts
None
Diagnostic functions
None
Substitute value can be applied
No
Data for Selecting a Sensor
Input voltage
•
Rated value
•
For signal “1”
120/230 VUC
74 to 264 VAC
80 to 264 VDC
–80 to –264 VDC
80 to 264 VDC
–80 to –264 VDC
•
For signal “0”
0 to 40 VAC
–40 to +40 VDC
–40 to +40 VDC
Frequency range
47 to 63 Hz
Input current
•
At signal ”1” (120 V)
Typ. 10 mA AC
Typ. 1.8 mA DC
Typ. 1.8 mA DC
•
At signal ”1” (230 V)
Typ. 14 mA AC
Typ. 2 mA DC
Typ. 2 mA DC
•
At signal “0”
0 to 6 mA AC
0 to 2 mA DC
0 to 2 mA DC
Input delay
•
At “0” to “1”
Max. 20 ms AC
Max. 15 ms DC
Max. 15 ms DC
•
At “1” to “0”
Max. 30 ms AC
Max. 25 ms DC
Max. 25 ms DC
Input characteristic curve
To IEC 61131;
type 2
type 2
Connection of two-wire BEROs
•
Permitted bias current
Possible
Max. 5 mA AC