SIPLUS S7-300 SM 336 - Safety Integrated

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Analog inputs for fail-safe SIPLUS S7 systems
Applicable in the ET 200M distributed I/O device with IM 153-2 HF as well as centrally with SIPLUS S7-31xF-2 DP
Properties of the SM 336; F-AI 6 x 0/4 ... 20 mA HART:
- 6 analog inputs with galvanic isolation between channels and backplane bus
- Input ranges: 0 mA to 20 mA, 4 mA to 20 mA
- Short-circuit proof power supply of 2 or 4-wire transmitter via the module
- External encoder supply possible
- Applicable in safety mode
- HART communication
- Firmware update using HW Config
- Identification data
- Temperature range -25 ... +70 °C;
  (+70 °C when ensuring a forced convection with a minimal air velocity of 0.3 m/s through the module). If a violation of the permissible, specified parameters is detected during maintenance or by automatic diagnostics, the modules must be proof-tested by the manufacturer. Without this measure the temperature range is -25…60°C

Note:

SIPLUS extreme products are based on SIMATIC standard products. The contents listed here were taken from the respective standard products. SIPLUS extreme specific information was added.

Область применения

The modules are used centrally with SIMATIC S7-31xF-2 DP and in the ET 200M distributed I/O device together with SIMATIC IM 151-7 F-CPU, S7-31xF-2 DP, S7-416F-2 and S7-400F/FH.

0 to 20 mA and 4 to 20 mA current transmitters (also HART) can be connected as encoders.

Дизайн

6 inputs for current measurement.
Compact design:
- Group fault display (SF)
- Safety mode display (SAFE)
- Display for channel-specific faults (Fn)
- Display for HART status (Hn)
- Plug options for the 20-pin front connector, protected behind the front door.
- Labeling field on the front door.
Easy assembly
Assembled like the other ET 200M I/O modules.
User-friendly wiring with 20-pin front connector.

Функции

The analog input module converts analog signals from the process to digital signals for internal processing by the fail-safe SIMATIC S7 CPUs.

The safety functions required for fail-safe operation are integrated in the module.

The following functions are available:

Resolution 15 bits + sign.
Measuring ranges:
- 0 to 20 mA or
- 4 to 20 mA or
- 4 to 20 mA (HART)
Interrupt capability;
the module sends diagnostic interrupts to the CPU of the controller.
Diagnostics;
the module sends extensive diagnostic information to the CPU.

Технические данные

Order number		6AG1336-4GE00-2AB0
		SIPLUS S7-300 SM336 F 6AI 15BIT
General information
Product type designation		SM 336 F-AI 6x0/4 to 20 mA HART
Supply voltage
Rated value (DC)		24 V; +/- 5 %
Reverse polarity protection		Yes
Input current
From power supply L+, typ.		150 mA
from backplane bus 5 V DC, max.		90 mA
Power loss
Power loss, typ.		4.5 W
Analog inputs
Number of analog inputs		6
permissible input current for current input (destruction limit), max.		40 mA
Input ranges (rated values), currents
● 0 to 20 mA		Yes
● 4 mA to 20 mA		Yes
Cable length
● shielded, max.		1 000 m
Analog value generation for the inputs
Integration and conversion time/resolution per channel
● Integration time (ms)		20 ms @ 50 Hz, 16.7 ms @ 60 Hz
● Interference voltage suppression for interference frequency f1 in Hz		f=n x (f1+-0.5%)
Encoder
Connection of signal encoders
● for current measurement as 2-wire transducer		Yes
● for current measurement as 4-wire transducer		Yes
Errors/accuracies
Operational error limit in overall temperature range
● Current, relative to input range, (+/-)		0.3 %; 60 µA
Basic error limit (operational limit at 25 °C)
● Current, relative to input range, (+/-)		0.1 %; 20 µA
Interrupts/diagnostics/status information
Alarms
● Diagnostic alarm		Yes
Diagnostic messages
● Diagnostic information readable		Yes
Potential separation
Potential separation analog inputs
● between the channels		Yes
● between the channels and backplane bus		Yes
● between the channels and the power supply of the electronics		Yes
Isolation
Isolation tested with		370V for 1 min
Standards, approvals, certificates
CE mark		Yes
Highest safety class achievable in safety mode
● acc. to EN 954		4
● SIL acc. to IEC 61508		SIL 3
Ambient conditions
Ambient temperature during operation
● min.		-25 °C; = Tmin; Startup @ -25 °C
● max.		60 °C; = T max; *+70 °C when forced convection at a minimum air speed of 0.3 m/s through the modules is ensured. If in the course of maintenance or automatic diagnosis it is determined that the admissible specified parameters have been exceeded, the modules should be subjected to a proof test (function check) by the manufacturer.
Ambient temperature during storage/transportation
● min.		-40 °C
● max.		70 °C
Extended ambient conditions
● relative to ambient temperature-atmospheric pressure-installation altitude		Tmin ... Tmax at 1080 hPa ... 795 hPa (-1000 m ... +2000 m)
● At cold restart, min.		-25 °C
Relative humidity
— With condensation, tested in accordance with IEC 60068-2-38, max.		100 %; incl. condensation / frost permitted (no commissioning under condensation conditions)
Resistance
— against biologically active substances / conformity with EN 60721-3-3		Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna). The supplied connector covers must remain on the unused interfaces during operation!
— against chemically active substances / conformity with EN 60721-3-3		Yes; Class 3C4 incl. salt spray according to EN 60068-2-52 (degree of severity 3). The supplied connector covers must remain on the unused interfaces during operation!
— against mechanically active substances / conformity with EN 60721-3-3		Yes; Class 3S4 incl. sand, dust. The supplied connector covers must remain on the unused interfaces during operation!
Connection method
required front connector		20-pin
Dimensions
Width		40 mm
Height		125 mm
Depth		120 mm
Weights
Weight, approx.		350 g