Siemens SIMATIC SM 335 - Page 58

Data Exchange with the SM 335
3-20
SM 335 – High-Speed Analog Input/Output Module for the SIMATIC S7-300
6ES7 335-7HG00-8BA1
Analog input measuring range (DR1, Byte 2-5)
The default parameters for the analog input measuring range depend on the set-
ting on the SM 335’s measuring range module.
Table 3-12 Parameters for the analog input measuring range
Measuring range
module
setting
Default parameters
(byte address in relation to data
record 1)
Permissible parameters
and measuring ranges
(bytes 2 to 5)
A
Byte 2 (CH0): 19
H
(Voltage)
Byte 3 (CH1): 19
H
(Voltage)
Byte 4 (CH2): 19
H
(Voltage)
Byte 5 (CH3): 23
H
(Current)
For measuring voltage
14 1V 1V
B
This measuring range
module setting
is not allowed.
Byte 2 (CH0): 00
H
Byte 3 (CH1): 00
H
Byte 4 (CH2): 00
H
Byte 5 (CH3): 00
H
14
H
: – 1 V to + 1 V
15
H
: – 2.5 V to + 2.5 V
18
H
: 0 V to + 10 V
19
H
: – 10 V to + 10 V
1C :0Vto+2V
C
Byte 2 (CH0): 19
H
(Voltage)
Byte 3 (CH1): 19
H
(Voltage)
Byte 4 (CH2): 23
H
(Current)
Byte 5 (CH3): 23
H
(Current)
1C
H
: 0 V to + 2 V
For measuring current
21
H
: – 10 to + 10 mA
22
H
:0mAto+20mA
D
Byte 2 (CH0): 19
H
(Voltage)
Byte 3 (CH1): 19
H
(Voltage)
Byte 4 (CH2): 19
H
(Voltage)
Byte 5 (CH3): 19
H
(Voltage)
22
H
:
0
mA
to
+
20
mA
23
H
: 4 mA to + 20 mA
Output range for analog output (DR1, Bytes 6-9)
Permissible measuring ranges:
• 19
H
= +/–10 V (default)
• 18
H
= 0 –10 V
Channel assignment:
• Byte 6 = Analog output channel CH0
• Byte 7 = Analog output channel CH1
• Byte 8 = Analog output channel CH2
• Byte 9 = Analog output channel CH3