General information
Product type designation4DQ 17.4 V DC/40 mA
HW functional status2
Firmware versionV3.0.0
Installation type/mounting
Rack mountingNo
Front mountingYes
Rail mountingYes
Wall mounting/direct mountingNo
Supply voltage
Type of supply voltageDC
Input current
Current consumption, typ.380 mA
from load voltage (power bus), max.400 mA
Power loss
Power loss, typ.2.8 W
Address space per module
Address space per module, max.2 byte
Hardware configuration
Fieldbus connection via separate transceiverYes
Digital outputs
Type of digital outputTransistor
Number of digital outputs4; additionally 1 intrinsically-safe input for L shutdown
Short-circuit protectionYes
No-load voltage Uao (DC)17.4 V
Internal resistor Ri167 Ω
Trend key points E
Voltage Ue (DC)10.7 V
Current Ie40 mA
Output voltage
Type of output voltageDC
Output current
for signal "1" rated value0.04 A
Output delay with resistive load
"0" to "1", max.2 ms
"1" to "0", max.1.5 ms
Parallel switching of two outputs
for upratingYes
Switching frequency
with resistive load, max.100 Hz
with inductive load, max.2 Hz
Cable length
shielded, max.500 m
unshielded, max.500 m
Interfaces
Number of PROFINET interfaces0
Number of RS 485 interfaces0
Protocols
Supports protocol for PROFINET IONo
PROFIsafeNo
PROFIBUSNo
Interrupts/diagnostics/status information
Diagnostics functionYes
Alarms
Diagnostic alarmYes; Parameterizable
Hardware interruptNo
Diagnoses
Diagnostic information readableYes
Wire breakYes; R > 10 kohms, I < 100 µA
Short-circuitYes; R< 80 Ohm (one output), R< 40 Ohm (outputs connected in parallel)
Diagnostics indication LED
Group error SF (red)Yes
Status indicator digital output (green)Yes; Per channel
Ex(i) characteristics
Module for Ex(i) protectionYes; for more Co/Lo combinations, see certificate IECEx KEM 05.0011
maximum values for connecting terminals for gas group IIC
Uo (no-load voltage), max.19.4 V
Io (short-circuit current), max.118 mA
Po (power output), max.0.57 W
Co (permissible external capacity), max.0.24 µF
Lo (permissible external inductivity), max.2.5 mH
Ui (intrinsically safe input voltage), max.28 V; switch input circuit
Pi (intrinsically safe input power), max.1.2 W; switch input circuit
Ci (internal capacity), max.3 nF; switch input circuit
Potential separation digital outputs
between the channelsNo
between the channels and backplane busYes
Between the channels and load voltage L+Yes
Permissible potential difference
between different circuits60 V DC/30 V AC
Degree and class of protection
IP degree of protectionIP30
Standards, approvals, certificates
CE markCE 0344
UKCA markDEKRA 21UKEX0085 Importer UK: Siemens plc Manchester M20 2UR
cULusLISTED E334384
FM approvalCLASSIFIED 3025852
Suitable for safety functionsNo
INMETRO certificateUL-BR 12.0073
reference designation according to IEC 81346-2 (2009)K
Highest safety class achievable in safety mode
SIL acc. to IEC 61508No
Use in hazardous areas
ATEX markingII 2 G (1) G Ex ib [ia Ga] IIC T4 Gb II 2 G (1) D Ex ib [ia IIIC Da] IIC T4 Gb I M2 Ex ib [ia] I Mb
ATEX certificateKEMA 04 ATEX 1249
IECExIECEx KEM 05.0011
CCC Ex2020322316002945
EAC ExPB Ex ib [ia] I Mb 1Ex ib [ia Ga] IIC T4 Gb [Ex ia Da] IIIC
FM markingClass I, Zone 1 AEx ib [ia] IIC T4 Ex ib IIC T4 NI, Class I, DIV.2, GP. A,B,C,D T4 AIS, Class I, DIV.1, GP. A,B,C,D T4 DIP Class II, III, GP. E,F,G
Explosion protection category for gasATEX gas explosion protection, Zone 1
Explosion protection category for dustATEX dust explosion protection, Zone 21 always install in corresponding enclosure
associated equipment (Ex ia)Yes
associated equipment (Ex ib)Yes
Marine approval
Germanischer Lloyd (GL)Yes
American Bureau of Shipping (ABS)Yes
Bureau Veritas (BV)Yes
Det Norske Veritas (DNV)Yes
Connection method
Design of electrical connectionScrew/spring-type terminal
Dimensions
Width30 mm
Height129 mm
Depth136.5 mm
Weights
Weight, approx.255 g