CM PtP communications module for serial communication connections with RS232 and RS422 interfaces. RS485 for the Freeport, 3964(R), Modbus RTU, USS and DMX512 protocols, max. 115.2250 kbps, 2 KB frame length, 4 KB receive buffer.

Siemens Communication Modules ET 200SP Product Specifications:

Article number	6ES7137-6AA01-0BA0
	ET 200SP, CM PTP, PU 1
General information
Product type designation	CM PtP
Firmware version
● FW update possible	Yes
usable BaseUnits	BU type A0
Product function
● I&M data	Yes; I&M0 to I&M3
Engineering with
● STEP 7 TIA Portal configurable/integrated from version	STEP 7 V17 or higher
● STEP 7 configurable/integrated from version	via GSD as of V5.6 HF4
● PROFIBUS from GSD version/GSD revision	GSD as of Revision 5
● PROFINET from GSD version/GSD revision	GSDML V2.34
Supply voltage
Rated value (DC)	24 V
permissible range, lower limit (DC)	19.2 V
permissible range, upper limit (DC)	28.8 V
Reverse polarity protection	Yes
Input current
Current consumption (rated value)	31 mA
Current consumption, max.	35 mA
Power loss
Power loss, typ.	0.7 W
Address area
Address space per module
● Inputs	8 byte; performance mode: 32 byte
● Outputs	0 byte; performance mode: 32 byte
1. Interface
Interface types
● RS 485	Yes
● RS 422	Yes
● RS 232	Yes
● Design of the connection	Push-in terminal
Interface types
RS 232
● Transmission rate, max.	115.2 kbit/s
● Cable length, max.	15 m
● RS 232 auxiliary signals	RTS, CTS, DTR, DSR, RI, DCD
RS 485
● Transmission rate, max.	250 kbit/s
● Cable length, max.	1 200 m; 100 to 1200 m, depending on transmission speed
RS 422
● Transmission rate, max.	115.2 kbit/s
● Cable length, max.	1 200 m
● 4-wire full duplex connection	Yes
● 4-wire multipoint connection	Yes
Protocols
Integrated protocols
Freeport
— Telegram length, max.	2 kbyte; performance mode: receive data max. 24 byte and send data max. 30 byte
— Bits per character	7 or 8
— Number of stop bits	1 or 2 bit
— Parity	None, even, odd, always 1, always 0, any
3964 (R)
— Telegram length, max.	2 kbyte; performance mode: receive data max. 24 byte and send data max. 30 byte
— Bits per character	7 or 8
— Number of stop bits	1 or 2 bit
— Parity	None, even, odd, always 1, always 0, any
Modbus RTU master
— Address area	1 to 247, extended 1 to 65535
— Number of slaves, max.	32
MODBUS RTU slave
— Address area	1 to 247, extended 1 to 65535
Telegram buffer
● Buffer memory for telegrams	4 kbyte
● Number of telegrams which can be buffered	255
Interrupts/diagnostics/status information
Diagnostics function	Yes
Alarms
● Diagnostic alarm	Yes
● Hardware interrupt	No
Diagnoses
● Wire-break	Yes
Diagnostics indication LED
● Monitoring of the supply voltage (PWR-LED)	Yes; green PWR LED
● for module diagnostics	Yes; green/red DIAG LED
● Receive RxD	Yes; green LED
● Transmit TxD	Yes; green LED
Potential separation
between backplane bus and interface	Yes
Isolation
Isolation tested with	707 V DC (type test)
Ambient conditions
Ambient temperature during operation
● horizontal installation, min.	-30 °C
● horizontal installation, max.	60 °C
● vertical installation, min.	-30 °C
● vertical installation, max.	50 °C
Altitude during operation relating to sea level
● Installation altitude above sea level, max.	5 000 m
Decentralized operation
to SIMATIC S7-300	Yes
to SIMATIC S7-400	Yes
to SIMATIC S7-1200	Yes
to SIMATIC S7-1500	Yes
to standard PROFINET controller	Yes
Dimensions
Width	15 mm
Height	73 mm
Depth	58 mm
Weights
Weight, approx.	30 g