Siemens simatic c7-621 Hardware Installation Guide

7-17
C7-621 / C7-621 AS-i Control Systems
C79000-G7076-C621-01
The following table contains the technical data of the analog output of the
C7 CPU.
Module-Specific Data
Number of outputs 1
Cable length
S shielded max. 100 m
Analog Value Formation
Resolution (including
overflow)
Conversion time
Settling time
S For ohmic load
S For capacitive load
S For inductive load
Substitute values applied
11 bits + sign
40 ms
0.6 ms
1.0 ms
0.5 ms
no
Noise Suppression, Error Limits
Error limits (in the entire
temperature range related to
the output area)
S Voltage output
S Current output
" 1.0 %
" 1.0 %
Error limit (error limit at 25
°C, related to the output area
S Voltage output
S Current output
" 0.8 %
" 0.9 %
Temperature error (related to
output range)
" 0.01 %/K
Linearity error (related to
output range)
" 0.06 %
Reproducibility accuracy (in
settled state at 25 °C, related to
output range
" 0.05 %
Output ripple: Range 0 to 50
kHz (related to output range)
" 0.05 %
Status, Interrupts, Diagnostics
Interrupts none
Diagnostic functions none
Data for Selecting an Actuator
Output ranges (rated values)
S Voltage
S Current
" 10 V
" 20 mA
Load resistance
S For voltage output
Capacitive load
S For current output
Inductive load
min. 2.0 kW
max. 0.1 mF
max. 300 W
max. 0.1 mH
Voltage output
S Short circuit protection
S Short circuit current
yes
max. 40 mA
Current output
S Idle voltage max. 16 V
Immunity limit against
externally applied
voltages/currents
S Voltages at output against
M
ANA
S Current
max. " 15 V
permanent;
" 15 V for max. 1 s
(pulse duty factor
1:20)
max. 30 mA
Connection of actuators
S For voltage output
2-wire connection
4-wire connection
S For current output
2-wire connection
Possible
Not possible
Possible
Analog Output
C7-621 Analog I/Os

Siemens simatic c7-621 Specifications

General

Brand	Siemens
Model	simatic c7-621
Category	Control Systems
Language	English