Siemens SIPART DR21 User Manual

2 Technical Description
2.6 Technical Data
Manual
38
SIPART DR21
C73000-B7476-C143-08
Service life
mechanical
230 V AC 8A electrical ohmic
2 ¢ 10
7
switching cycles
10
5
switching cycles
Spark quenching element Series circuit 22 nF/220 Ω parallel to it
varistor 420 V
rms
Digital outputs DO1 to DO2 (with wired-or diodes)
Signal status 0 ≤1.5 V
Signal status 1 +19 V to 26 V
load current ≤30 mA
Short-circuit current ≤50 mA
Static destruction limit -1 V to +35 V
Measuring transmitter feed L+
Ratedvoltage +20to26V
load current ≤ 60 mA, short-circuit-proof
Short-circuit current ≤ 200 mA clocking
Static destruction limit --1 to +35 V
CPU data
Cycle time 100 ms
Minimum integration speed dy
dt
kp ⋅ xd
tn
0.1 ⋅ 0.1 %
10
4
s
==
A/D conversion except UNI module
6DR2800-8V
Procedure Successive approximation per input > 120
conversions and averaging within 20 or
16.67 ms
Modulation range -5 % to 105 % of the modulation range
Resolution 11 bits ≙ 0.06 % of the modulation range
Zero error ≤ 0.2 % of the modulation range
Full scale error ≤ 0.2 % of the modulation range
Linearity error ≤ 0.2 % of the modulation range
Temperature influence
Zero point ≤ 0.05 %/10 K of the modulation range
Full scale ≤ 0.1 %/10 K of the modulation range
Setpoint- and manipulated variable
adjustment
Setting With 2 keys (more - - less)
Speed progressive
Resolution wi
y
1 digit
0.1%ofratedrange0to20mA

Siemens SIPART DR21 Specifications

General

Brand	Siemens
Model	SIPART DR21
Category	Controller
Language	English