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Siemens 6AG1321-7BH01-4AS0

Replacement only, no repair. SM 321 16 DI based on 6ES7321-7BH01-0AB0 with conformal coating, 0…+60 °C, 0-1 threshold at approx. 11.2 V, digital input SM 321, isolated, 16 DI; 24 V DC, 1x 20-pole, hardware interrupt, diagnostics, suitable for isochronous mode

SiemensMFR # 6AG1321-7BH01-4AS0SKU # CEY-8EF3B0388720

based on6ES7321-7BH01-0AB0

Isochronous modeYes

Rated value (DC)24 V

permissible range, lower limit (DC)20.4 V

permissible range, upper limit (DC)28.8 V

Reverse polarity protectionYes

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About This Product

Siemens 6AG1321-7BH01-4AS0

Genuine, certified Siemens product
Fast sourcing through a worldwide supply network
Product selection and compatibility support from our technical team
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Specifications

General information

based on6ES7321-7BH01-0AB0

Product function

Isochronous modeYes

Load voltage L+

Rated value (DC)24 V

permissible range, lower limit (DC)20.4 V

permissible range, upper limit (DC)28.8 V

Reverse polarity protectionYes

Input current

from load voltage L+ (without load), max.90 mA

from backplane bus 5 V DC, max.130 mA

Encoder supply

Number of outputs2

Type of output voltageL+ (-2.5 V)

Short-circuit protectionYes; Electronic

additional (redundant) feedYes

Output current

Rated value120 mA

permissible range, lower limit0 mA

permissible range, upper limit150 mA

Power loss

Power loss, typ.4 W

Digital inputs

Number of digital inputs16

Input characteristic curve in accordance with IEC 61131, type 2Yes

horizontal installation

— up to 60 °C, max.16

vertical installation

— up to 40 °C, max.16

Input voltage

Type of input voltageDC

Rated value (DC)24 V

for signal "0"-30 ... +11.2 V

for signal "1"13 to 30V

Input current

for signal "1", typ.7 mA

for standard inputs

— parameterizableYes; 0.1 / 0.5 / 3 / 15 / 20 ms

Encoder connection

Fixed current limitation for wire-break monitoring, min.10 kΩ

Fixed current limitation for wire-break monitoring, max.18 kΩ

Cable length

shielded, max.1 000 m

unshielded, max.600 m

Connectable encoders

2-wire sensorYes

— permissible quiescent current (2-wire sensor), max.2 mA

Interrupts/diagnostics/status information

AlarmsYes

Diagnostics functionYes; Parameterizable

Alarms

Diagnostic alarmYes; Parameterizable

Hardware interruptYes; Parameterizable

Diagnoses

Diagnostic information readableYes

Wire breakYes; to I< 1 mA

Diagnostics indication LED

Group error SF (red)Yes

Status indicator digital input (green)Yes

Encoder supply Vs (green)Yes

Potential separation digital inputs

between the channelsNo

between the channels, in groups of16

between the channels and backplane busYes; Optocoupler

Isolation

Isolation tested with500 V DC

Standards, approvals, certificates

CE markYes

UL approvalYes; File E239877

RCM (formerly C-TICK)Yes

KC approvalYes

EAC (formerly Gost-R)Yes

Ambient temperature during operation

min.0 °C; = Tmin

max.60 °C; = Tmax

Ambient temperature during storage/transportation

min.-40 °C

max.70 °C

Altitude during operation relating to sea level

Installation altitude above sea level, max.5 000 m

Ambient air temperature-barometric pressure-altitudeTmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m) // Tmin ... (Tmax - 10 K) at 795 hPa ... 658 hPa (+2 000 m ... +3 500 m) // Tmin ... (Tmax -20 K) at 658 hPa ... 540 hPa (+3 500 m ... +5 000 m)

Relative humidity

With condensation, tested in accordance with IEC 60068-2-38, max.100 %; RH incl. condensation/frost (no commissioning under condensation conditions)

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 and fungal spores (excluding fauna); Class 6B3 on request

— 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!

Connection method

required front connector20-pin

Dimensions

Width40 mm

Height125 mm

Depth120 mm

Weights

Weight, approx.200 g