Siemens SIPART DR21

2 Technical Description
2.6 Technical Data
Manual
SIPART DR21
C73000-B7476-C143-08
43
6DR2801-8E 4DO 24 V, 2DI Digital outputs DO3 to DO6 and DI3 to DI4 (slot 3)
-- Digital outputs
Signal status 0 ≤ 1.5 V or open, residual current ≤ 50 μA
Signal status 1 19 to 26 V
load current ≤ 30 mA
Short-circuit current ≤ 50 mA, clocking
Static destruction limit --1 V to +35 V
-- Digital inputs
Signal status 0 ≤ 4.5 V or open
Signal status 1 ≥ 13 V
Input resistance ≥ 27 kΩ
Static destruction limit  35 V
6DR2801-8C 5DI 24 V Digital inputs DI3 to DI7 (slot 3)
Signal status 0
≤ 4.5 V or open
Signal status 1
≥ 13 V
Input resistance
≥27 kΩ
Statistical destruction limit ±35 V
6DR2803-8P PROFIBUS-DP
T ransmittable signals RS 485, PROFIBUS-DP-protocol
T ransmittable data Operating state, process variables, para-
meters and structure switches
T ransmission procedure PROFIBUS-/
DP-protocol
According to DIN 19245, Part 1 and Part 3
(EN 50170)
Data rate 9.6 kbit/s to 1.5 Mbit/s
except 45.45 kBit/s
Station number 0 to 125
T ime monitoring of the data communication structurable on the controller in connection
with DP-watchdog
Electrical isolation between Rxd/Txd-P/-N and
the controller 50 V UC common mode voltage
Test voltage 500 V AC
Repeater-control signal CNTR-P TTL-level with 1 TTL-load