Siemens CSM 1277 User Manual

Technical specifications
A.5 Analog I/O modules
Easy Book
306 Manual, 03/2014, A5E02486774-AF
Technical data
Relay
(CPU and SM)
24 VDC
(CPU, SM, and SB)
200 KHZ 24 VDC
(SB)
Behavior on RUN to STOP Last value or substitute
value (default value 0)
Last value or substitute
value (default value 0)
Last value or substitute
value (default value 0)
Cable length (meters) 500 m shielded,
150 m unshielded
500 m shielded,
150 m unshielded
50 m shielded twisted pair
1
24 VDC 200 KHz SB
2
5 VDC 200 KHz SB
3
For CPU models with relay outputs, you must install a digital signal board (SB) to use the pulse outputs.
4
Depending on your pulse receiver and cable, an additional load resistor (at least 10% of rated current) may improve
pulse signal quality and noise immunity.
5
SB 1223 200 KHz DI 2 / DQ 2: No isolation to inputs
A.5
Analog I/O modules
For a more complete list of modules available for S7-1200, refer to the S7-1200 System
Manual or to the customer support web site (http://www.siemens.com/automation/).
A.5.1
SB 1231 and SB 1232 analog input (AI) and output (AQ)
Table A- 29 General specifications
Technical data
SB 1231 AI 1 x12 bit
1
SB 1232 AQ 1 x 12 bit
Order number
6ES7 231-4HA30-0XB0
6ES7 232-4HA30-0XB0
Dimensions W x H x D (mm)
38 x 62 x 21 mm
38 x 62 x 21 mm
Weight
35 grams
40 grams
Power dissipation
0.4 W
1.5 W
Current consumption (SM Bus)
55 mA
15 mA
Current consumption (24 VDC)
None
40 mA (no load)
Number of inputs / outputs
1
1
Type
Voltage or current (differential)
Voltage or current
1
To use the SB 1231 AI 1 x analog input, your CPU firmware must be V2.0 or higher.

Siemens CSM 1277 Specifications

General

Brand	Siemens
Model	CSM 1277
Category	Controller
Language	English