General information
Product type designationCM PtP RS 422 / 485 HF
based on6ES7541-1AB01-0AB0
Product function
I&M dataYes; I&M 0
Fast startupYes
Engineering with
STEP 7 TIA Portal configurable/integrated from versionsee entry ID: 109746275
Installation type/mounting
Rail mountingYes; S7-1500 mounting rail
Input current
Current consumption (rated value)43 mA; From the backplane bus
Power
Power consumption from the backplane bus0.65 W
Power loss
Power loss, typ.0.6 W
Address space per module
Inputs8 byte; performance mode: 32 byte
Outputs0 byte; performance mode: 32 byte
RS 485
Transmission rate, max.250 kbit/s
Cable length, max.1 200 m
RS 422
Transmission rate, max.115.2 kbit/s
Cable length, max.1 200 m
4-wire full duplex connectionYes
4-wire multipoint connectionNo
Freeport
— Telegram length, max.4 kbyte
— Bits per character7 or 8
— Number of stop bits1 or 2 bit
— ParityNone, even, odd, always 1, always 0, any
3964 (R)
— Telegram length, max.4 kbyte
— Bits per character7 or 8
— Number of stop bits1 or 2 bit
— ParityNone, even, odd, always 1, always 0, any
Modbus RTU master
— Address area1 to 247, extended 1 to 65535
— max. number of devices32
Modbus RTU device
— Address area1 to 247, extended 1 to 65535
Telegram buffer
Buffer memory for telegrams8 kbyte
Number of telegrams which can be buffered255
Interrupts/diagnostics/status information
Diagnostics functionYes
Alarms
Diagnostic alarmYes
Hardware interruptNo
Diagnoses
Wire breakYes
Diagnostics indication LED
RUN LEDYes; green LED
ERROR LEDYes; red LED
Receive RxDYes; Yellow LED
Transmit TxDYes; Yellow LED
Potential separation
between backplane bus and interfaceYes
Isolation
Isolation tested with707 V DC (type test)
Ambient temperature during operation
horizontal installation, min.-40 °C; = Tmin (incl. condensation/frost)
horizontal installation, max.70 °C; = Tmax
vertical installation, min.-40 °C; = Tmin
vertical installation, max.40 °C; = Tmax
Altitude during operation relating to sea level
Installation altitude above sea level, max.5 000 m; restrictions for installation altitudes > 2 000 m, see ET 200MP system manual
Relative humidity
With condensation, tested in accordance with IEC 60068-2-38, max.100 %; RH incl. condensation / frost (no commissioning in bedewed state), horizontal installation
Coolants and lubricants
— Resistant to commercially available coolants and lubricantsYes; Incl. diesel and oil droplets in the air
Use in stationary industrial systems
— to biologically active substances according to EN 60721-3-3Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request
— to chemically active substances according to EN 60721-3-3Yes; Class 3C4 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
— to mechanically active substances according to EN 60721-3-3Yes; Class 3S4 incl. sand, dust, *
Use on ships/at sea
— to biologically active substances according to EN 60721-3-6Yes; Class 6B2 mold, fungal and dry rot spores (excluding fauna)
— to chemically active substances according to EN 60721-3-6Yes; Class 6C3 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
— to mechanically active substances according to EN 60721-3-6Yes; Class 6S3 incl. sand, dust; *
Usage in industrial process technology
— Against chemically active substances acc. to EN 60654-4Yes; Class 3 (excluding trichlorethylene)
— Environmental conditions for process, measuring and control systems acc. to ANSI/ISA-71.04Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)
Remark
— Note regarding classification of environmental conditions acc. to EN 60721, EN 60654-4 and ANSI/ISA-71.04* The supplied plug covers must remain in place over the unused interfaces during operation!
Conformal coating
Coatings for printed circuit board assemblies acc. to EN 61086Yes; Class 2 for high reliability
Protection against fouling acc. to EN 60664-3Yes; Type 1 protection
Military testing according to MIL-I-46058C, Amendment 7Yes; Discoloration of coating possible during service life
Qualification and Performance of Electrical Insulating Compound for Printed Board Assemblies according to IPC-CC-830AYes; Conformal coating, Class A
Decentralized operation
to SIMATIC S7-300Yes
to SIMATIC S7-400Yes
to SIMATIC S7-1500Yes
to standard PROFINET controllerYes
Dimensions
Width35 mm
Height147 mm
Depth127 mm
Weights
Weight, approx.0.22 kg