Siemens SIPART DR22 Manual page 239

Manual
Example 3
Block diagram control circuit
wi1
1
x1
wi2
w
2
E
x2
M
Structure switch Strs
Switch Value
S 1 12 Double controller
S 5 2 AE1: 4 to 20 mA
S 6 2 AE2: 4 to 20 mA
S 7 3 AE3: 4 to 20 mA
S 17 3 x2 to AE3A
S 69 1 AA1: 4 to 20 mA
S 213 2 w II to AE2A
E
S 226 --1 w II=high
SL
S 231 1 S-controller internal
S 232 2 Switching setpoint 2
S 243 off none y
R
Structure switch for the alarm settings:
S 76 0 Release for BA1
S 77 0 Release for BA2
S 78 0 Release for BA3
S 79 0 Release for BA4
S 80 1 A1 to BA1
S 81 2 A2 to BA2
S 82 3 A3 to BA3
S 83 4 A4 to BA4
S 94 38 A1 to jxd1j
S 95 39 A4 to jxd2j
S 96 2 A1 max / A2 max
S 97 2 A3 max / A4 max
S 267 1 A2 to x1
S 268 6 A4 to x2
SIPART DR22 6DR2210
C79000-G7476-C154-03
SIPART DR22 with two independent control circuits
Control circuit 1: Fixed setpoint controller with K-output
Control circuit 2: Fixed setpoint controller with S-output,
Controller 1: Control circuit x1 via the analog input AE1 (4 to
Controller 2: Controlled variable XII via the analog input AE3
y1
PS
Alarms:
y2
Note:
Meaning
-display
w
E
+
7 Application examples for configuring the controller
internal feedback
20 mA) from a two--wire transmitter. Manipulated
variable y1 via AA1 (4 to 20 mA) to a position
controller SIPART PS.
(4 to 20 mA) from a two-wire transmitter. Setpoint
wII via AE2 from an external sensor (4 to 20mA).
Follow-up of wiII to w
external" via the opeating level. Manipulated
variable yII via BA to an actuating drive.
A1: xd1 ±5 %, Max. Output to BA1
A2: x1 80 %, Max. Output to BA2
A3: xd2 ±5 %, Max. Output to BA3
A4: x2 70 %, Max. Output to BA4
The outputs of the S-controller are permanently
assigned to the digital outputs
BA5 (+Δy)/BA6 (--Δy). (structure switch S231)
SIPART-DR22 Standard controller
AE3 AE2 AE1
-- -- --
3 2 1
--
+
SIPART
PS
--
II. With switching "internal/
E
PE
N UC 24 C
L
PE
AC 115 V
N
AC 230 V
L
AA BA M
L
8 7 6 5
S1 S2
+ --
U
H M
S1
S2
U
H
237