Siemens SIMATIC ET 200SP System Manual page 35

Application planning
Table 4- 1
Selecting a BaseUnit
BU type A0
See Digital, fail-safe,
communication, tech-
nology or analog
modules without tem-
perature measure-
ment (Page 38)
BU type A1
See Analog modules
with temperature
measurement
(Page 39)
BU type B0
(BU..B, dark-colored
BaseUnit)
BU type B1
(BU..B, dark-colored
BaseUnit)
BU type C0
(BU..D, light-colored
BaseUnit)
34
Selecting a suitable BaseUnit for I/O modules
I/O module
(example)
Digital, fail-safe,
technology or com-
munication module
6ES7...A0
•
24 V DC
•
15 mm wide
•
Analog module with
temperature meas-
urement*
6ES7...A1
•
24 V DC
•
15 mm wide
•
Analog module with-
out temperature
measurement**
6ES7...A1
•
24 V DC
•
15 mm wide
•
Digital output module
with relay
6ES7...B0
•
Up to 230 V AC
•
20 mm wide
•
Digital modules
6ES7...B1
•
Up to 230 V AC
•
20 mm wide
•
Fail-safe power mod-
ule
6ES7...C0
•
24 V DC
•
20 mm wide
•
CM AS-
i Master ST/F-
CM AS-i Safety ST
6ES7...C1
•
Up to 30 V DC
•
20 mm wide
•
Examples of suitable I/O modules for BU types
I/O module (example)
DI 16×24VDC ST
(6ES7131-6BH00-0BA0)
AI 4×RTD/TC 2-/3-/4-
wire HF
(6ES7134-6JD00-0CA1)
AI 4xU/I 2-wire ST
(6ES7134-6HD00-0BA1)
RQ 4×120VDC-
230VAC/5A NO ST
(6ES7132-6HD00-0BB0)
DI 4×120..230VAC ST
(6ES7131-6FD00-0BB1)
CM AS-i Master ST
(3RK7137-6SA00-0BC1)
System Manual, 09/2019, A5E03576849-AJ
BaseUnit
BU15-P16+A0+2D
(6ES7193-6BP00-0DA0)
BU15-
P16+A0+2D/T(6ES7193-
6BP00-0DA1)
BU20-P12+A4+0B
(6ES7193-6BP20-0BB0)
BU20-P12+A0+4B
(6ES7193-6BP20-0BB1)
BU20-P6+A2+4D
(6ES7193-6BP20-0DC0)
Distributed I/O system