SIEMENS
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Siemens IK PI · 2015
PROFIBUS
Communication for SIMATIC S7-1200
CM 1243-5
3
■
Technical specifications
Article No.
6GK7243-5DX30-0XE0
Product-type designation
CM 1243-5
Transmission rate
Transmission rate at interface 1 in
accordance with PROFIBUS
9.6 kbit/s … 12 Mbit/s
Interfaces
Number of electrical connections
• at interface 1 in accordance with
PROFIBUS
1
• for power supply
1
Design of electrical connection
• at interface 1 in accordance with
PROFIBUS
9-pin Sub-D socket (RS485)
• for power supply
3-pin terminal strip
Supply voltage, current
consumption, power loss
Type of supply voltage
DC
Supply voltage
• 1 from backplane bus
-
• external
24 V
Relative positive tolerance at 24 V
with DC
20 %
Relative negative tolerance at 24 V
with DC
20 %
Consumed current
• from backplane bus at 5 V
for DC Typical
-
• from external supply voltage
at 24 V with DC
- typical
0.1 A
- maximum
-
Resistive loss
2.4 W
Permitted ambient conditions
Ambient temperature
• for vertical installation during
operating phase
0 … 45 °C
• for horizontal installation during
operating phase
0 … 55 °C
• during storage
-40 … +70 °C
• during transport
-40 … +70 °C
• Comment
-
Relative humidity at 25 °C
without condensation during
operating maximum
95 %
Protection class IP
IP20
Design, dimensions and weight
Module format
Compact module S7-1200
single width
Width
30 mm
Height
100 mm
Depth
75 mm
Net weight
0.134 kg
Product properties, functions,
components
general
Number of modules
• per CPU maximum
1
• note
-
Performance data
Performance data
open communication
Number of possible connections for
open communication by means of
SEND/RECEIVE blocks maximum
-
Data volume as user data per
connection for open communication
by means of SEND/RECEIVE blocks
maximum
-
Performance data
PROFIBUS DP
Service as DP master DPV1
Yes
Number of DP slaves on
DP master usable
16
Amount of data
• of the address area of the inputs
as DP master overall
512 byte
• of the address area of the outputs
as DP master overall
512 byte
• of the address area of the inputs
per DP slave
244 byte
• of the address area of the outputs
per DP slave
244 byte
•
of the address area of the diagnostic
data per DP slave
240 byte
Service as DP slave
• DPV0
No
• DPV1
No
Amount of data
• of the address area of the inputs
as DP slave overall
-
• of the address area of the outputs
as DP slave overall
-
Performance data
S7 communication
Number of possible connections
for S7 communication
• maximum
8
• with PG connections maximum
1
• with PG/OP connections maximum
3
• note
max. 4 connections to other S7
stations
Performance data
multi-protocol mode
Number of active connections
with multi-protocol mode
• without DP maximum
8
• with DP maximum
8
Product functions
management,
configuration
Configuration software required
STEP 7 Basic/Professional V11
or higher
Article No.
6GK7243-5DX30-0XE0
Product-type designation
CM 1243-5
© Siemens AG 2014