GM International D1049S Instruction Manual

D1049 - SIL 3 Digital Output Driver NE Loads Bus Powered ISM0097-9
D1049S
INSTRUCTION & SAFETY MANUAL
SIL 3 Digital Output Driver
NE Loads Bus Powered
DIN-Rail Model D1049S

D1049 - SIL 3 Digital Output Driver NE Loads Bus Powered G.M. International ISM0097-9
2
General Description: The single channel DIN-Rail Bus Powered Digital Output Isolator, D1049S, is suitable for driving solenoid valves, visual or audible alarms to alert a plant operator,
or other process control devices in Hazardous Area from a driving signal in Safe Area. It can also be used as a controllable supply to power measuring or process control equipment.
Its use is allowed in applications requiring up to SIL 3 level (according to IEC 61508:2010 Ed. 2) in safety related systems for high risk industries.
The Safety PLC or DCS driving signal controls the field device through the D1049S, which provides isolation and is capable of monitoring the conditions of the line.
Short and open circuit diagnostic monitoring, dip-switch selectable, operates irrespective of the channel condition and provides LED indication and NC transistor output signaling.
When fault is detected output is de-energized until normal condition is restored.
An override input, dip-switch selectable, is provided to permit a safety system to override the control signal. When enabled, a low input voltage always de-energizes the field device
regardless of the input signal.
Three basic output circuits are selectable, with different safety parameters, to interface the majority of devices on the market. The selection among the three output characteristics
is obtained by connecting the field device to a different terminal block.
Function: 1 channel I.S. digital output to operate Hazardous Area normally energized loads from contacts, logic levels or driven logics in Safe Area.
It provides 3 port isolation (input/output/supply).
Signalling LEDs: Power supply indication (green), outputs status (yellow), fault condition (red).
Field Configurability: Line Fault Detection enable or disable and Override Control Input enable or disable.
EMC: Fully compliant with CE marking applicable requirements.
Functional Safety Management certification:G.M. International is certified by TUV to conform to IEC61508:2010 part 1 clauses 5-6
for safety related systems up to and included SIL3.
Characteristics
Supply: 24 Vdc nom (20 to 30 Vdc) reverse polarity protected, ripple within voltage limits 5 Vpp, 2 A time lag fuse internally protected.
Current consumption @ 24 V: 65 mA with 45 mA output typical in normal operation.
Power dissipation: 1.1 W with 24 V supply, output energized at 45 mA nominal load.
Max. power consumption: at 30 V supply voltage, 1.8 W.
Isolation (Test Voltage): I.S. Out/In 1.5 KV; I.S. Out/Supply 1.5 KV; I.S. Out/Fault 1.5 KV; I.S. Out/Override 1.5 KV;
In/Supply 500 V; In/Fault 500 V; In/Override 500 V; Supply/Fault 500 V; Supply/Override 500 V; Fault/Override 500 V.
Control Input: switch contact, logic level reverse polarity protected.
Trip voltage levels: OFF status 5.0 V, ON status 20.0 V (maximum 30 V).
Current consumption @ 24 V: 5 mA.
Override Input: override control signal de-energizes output when enabled by dip-switch.
Override range: 24 Vdc nom (20 to 30 Vdc) to disable (field device controlled by input), 0 to 5 Vdc to de-energize field device, reverse polarity protected.
Current consumption @ 24 V: 5 mA.
Output:
45 mA at 13.0 V (21.0 V no load, 174 series resistance) at terminals 13-16 Out A.
45 mA at 10.2 V (21.0 V no load, 236 series resistance) at terminals 14-16 Out B.
45 mA at 8.5 V (21.0 V no load, 275 series resistance) at terminals 15-16 Out C.
Short circuit current: 50 mA (55 mA typical).
Response time: 10 ms.
Frequency response: 50 Hz
Fault detection: field device and wiring open circuit or short circuit detection dip-switch selectable. When fault is detected output is de-energized until normal condition is restored.
Short output detection: load resistance 50 (2 mA forcing to detect fault).
Open output detection: load resistance > 10 K.
Fault signalling: voltage free NE SPST optocoupled open-collector transistor (output de-energized in fault condition).
Open-collector rating: 100 mA at 35 Vdc (1.5 V voltage drop).
Leakage current: 50 µA at 35 Vdc.
Response time: 5 ms.
Compatibility:
CE mark compliant, conforms to Directive: 2014/34/EU ATEX, 2014/30/EU EMC, 2014/35/EU LVD, 2011/65/EU RoHS.
Environmental conditions:
Operating: temperature limits -20 to + 60 °C, relative humidity max 95 %.
Storage: temperature limits – 45 to + 80 °C.
Safety Description:
ATEX: II 3(1) G Ex nA [ia Ga] IIC T4 Gc, II (1) D [Ex ia Da] IIIC, I (M1) [Ex ia Ma] I
IECEx: Ex nA [ia Ga] IIC T4 Gc, [Ex ia Da] IIIC, [Ex ia Ma] I,
FM: NI / I / 2 / ABCD / T4, NI / I / 2 / IIC / T4, AIS / I, II, III / 1 / ABCDEFG, AEx [ia] IIC
FMC: NI / I / 2 / ABCD / T4, NI / I / 2 / IIC / T4, AIS / I, II, III / 1 / ABCDEFG, Ex [ia] IIC
EAC-EX: 2Ex nA [ia Ga] IIC T4 Gc X, [Ex ia Da] IIIC X, [Ex ia Ma] I X
UKR TR n. 898: 2ExnAiaIICT4 X, ExiaI X
associated apparatus and non-sparking electrical equipment.
Uo/Voc = 24.8 V, Io/Isc = 147 mA, Po/Po = 907 mW at terminals 13-16 Out A.
Uo/Voc = 24.8 V, Io/Isc = 108 mA, Po/Po = 667 mW at terminals 14-16 Out B.
Uo/Voc = 24.8 V, Io/Isc = 93 mA, Po/Po = 571 mW at terminals 15-16 Out C.
Um = 250 Vrms, -20 °C Ta 60 °C.
Approvals:
DMT 01 ATEX E 042 X conforms to EN60079-0, EN60079-11, EN60079-15, EN60079-26,
IECEx BVS 07.0027X conforms to IEC60079-0, IEC60079-11, IEC60079-15, IEC60079-26,
INMETRO DNV 13.0108 X conforms to ABNT NBR IEC60079-0, ABNT NBR IEC60079-11, ABNT NBR IEC60079-15, ABNT NBR IEC60079-26.
FM & FM-C No. 3024643, 3029921C, conforms to Class 3600, 3610, 3611, 3810, ANSI/ISA 12.12.02, ANSI/ISA 60079-0, and C22.2 No.142, C22.2 No.157, C22.2 No.213, E60079-0,
E60079-11, E60079-15.
C-IT.MH04.B.00306 conforms to GOST R IEC 60079-0,GOST R IEC 60079-11, GOST R IEC 60079-15.
C16.0034 X conforms to  7113,  22782.5-78,  I 60079-15.
TUV Certificate No. C-IS-236198-04, SIL 3 conforms to IEC61508:2010 Ed. 2.
TÜV Certificate No. C-IS-236198-09, SIL 3 Functional Safety Certificate conforms to IEC61508:2010 Ed.2, for Management of Functional Safety.
DNV No.A-13778 Certificates for maritime applications.
Mounting: T35 DIN Rail according to EN50022.
Weight: about 130 g.
Connection: by polarized plug-in disconnect screw terminal blocks to accommodate terminations up to 2.5 mm2.
Location: Safe Area/Non Hazardous Locations or Zone 2, Group IIC T4, Class I, Division 2, Groups A, B, C, D Temperature Code T4 and Class I, Zone 2, Group IIC, IIB, IIA T4 installation.
Protection class: IP 20. Dimensions: Width 22.5 mm, Depth 99 mm, Height 114.5 mm.
Technical Data
2
4
6
8
10
12
14
16
18
20
22
13
V (V)
0
D1049 Output Diagram
Rout 174 (Out A)
100 20304050
10.2
21
8.5
45
Vo 21.0 V (no load)
Rout 236 (Out B)
Rout 275 (Out C)
Ilim 50 mA
I (mA)
Out A
Out B
Out C
FSM
SIL 3

D1049 - SIL 3 Digital Output Driver NE Loads Bus PoweredG.M. International ISM0097-9 3
Ordering information
Power Bus and DIN-Rail accessories:
DIN rail anchor MCHP065 DIN rail stopper MOR016
Terminal block male MOR017 Terminal block female MOR022
D1049
1 2 3 4
16151413
5 6 7 8
PWR ON
S
TAT
US
FA
U
LT
Front Panel and Features
SIL 3 according to IEC 61508:2010 Ed. 2 for Tproof = 12 / 20 yrs (10% / >10 % of total SIF).
PFDavg (1 year) 8.32 E-06, SFF 98.90 %.
SIL 3 Systematic capability
Output to Zone 0 (Zone 20), Division 1, installation in Zone 2, Division 2.
Bus powered for NE loads.
Short and open circuit line diagnostic monitoring with LED, transistor output.
Output short circuit proof and current limited.
Three port isolation, Input/Output/Supply.
EMC Compatibility to EN61000-6-2, EN61000-6-4, EN61326-1.
In-field programmability by DIP Switch.
ATEX, IECEx, FM & FM-C, INMETRO, EAC-EX, UKR TR n. 898, TÜV Certifications.
TÜV Functional Safety Certification.
Type Approval Certificate DNV for maritime applications.
High Reliability, SMD components.
Simplified installation using standard DIN-Rail and plug-in terminal blocks.
250 Vrms (Um) max. voltage allowed to the instruments associated with the barrier.
+ Output A for Solenoid Valve
Terminal block connections
HAZARDOUS AREA SAFE AREA
+ Output B for Solenoid Valve
+ Output C for Solenoid Valve
- Output for Solenoid Valve
13
14
15
16
+ Output Transistor Fault
1
- Output Transistor Fault
2
+ Power Supply 24 Vdc
3
- Power Supply 24 Vdc
4
+ Input for Control
5
- Input for Control
6
+ Input for Override
7
- Input for Override
8
Model: D1049S
Power Bus enclosure /B

D1049 - SIL 3 Digital Output Driver NE Loads Bus Powered G.M. International ISM0097-9
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Parameters Table
In the system safety analysis, always check the Hazardous Area/Hazardous Locations devices to conform with the related system documentation, if the device is Intrinsically Safe check
its suitability for the Hazardous Area/Hazardous Locations and gas group encountered and that its maximum allowable voltage, current, power (Ui/Vmax, Ii/Imax, Pi/Pi) are not exceeded
by the safety parameters (Uo/Voc, Io/Isc, Po/Po) of the D1049 Associated Apparatus connected to it. Also consider the maximum operating temperature of the field device, check that
added connecting cable and field device capacitance and inductance do not exceed the limits (Co/Ca, Lo/La, Lo/Ro) given in the Associated Apparatus parameters for the effective gas
group. See parameters on enclosure side and the ones indicated in the table below:
Must
be
Hazardous Area/
Hazardous Locations
Device Parameters
D1049 Associated
Apparatus Parameters
Uo / Voc = 24.9 V Ui / Vmax
D1049 Terminals
Out A 13 - 16
Out B 14 - 16 
Must
be
Hazardous Area/
Hazardous Locations
Device + Cable Parameters
D1049 Terminals D1049 Associated
Apparatus Parameters
Ci / Ci device + C cable
Li / Li device + L cable

Lo / La = 1.65 mH
Lo / La = 6.63 mH
Lo / La = 13.2 mH
(IIB-C)
(IIA-D)
(IIC-A, B)
Lo / La = 2.9 mH
Lo / La = 11.8 mH
Lo / La = 23.6 mH
(IIB-C)
(IIA-D)
(IIC-A, B)
Lo / La = 4.19 mH
Lo / La = 16.7 mH
Lo / La = 33.5 mH
(IIB-C)
(IIA-D)
(IIC-A, B)
Out C 15 - 16
Io / Isc = 147 mA
Ii/ Imax
Out A 13 - 16
Out B 14 - 16 
Io / Isc = 110 mA
Out C 15 - 16 Io / Isc = 93 mA
Po / Po = 907 mW
Pi / Pi
Out A 13 - 16
Out B 14 - 16 
Po / Po = 681 mW
Out C 15 - 16 Po / Po = 571 mW
Out A 13 - 16
Out B 14 - 16
Out C 15 - 16
Co / Ca = 112 nF
Co / Ca = 850 nF
Co / Ca = 3.01 µF
(IIB-C)
(IIA-D)
(IIC-A, B)
Li / Ri device and
L cable / R cable

Lo / Ro = 39.2 µH/
Lo / Ro = 156.8 µH/
Lo / Ro = 313.6 µH/
(IIB-C)
(IIA-D)
(IIC-A, B)
Lo / Ro = 52.2 µH/
Lo / Ro = 208.9 µH/
Lo / Ro = 417.8 µH/
(IIB-C)
(IIA-D)
(IIC-A, B)
Lo / Ro = 62.3 µH/
Lo / Ro = 249.4 µH/
Lo / Ro = 498.9 µH/
(IIB-C)
(IIA-D)
(IIC-A, B)
Out A 13 - 16
Out B 14 - 16
Out C 15 - 16
NOTE for USA and Canada:
IIC equal to Gas Groups A, B, C, D, E, F and G,
IIB equal to Gas Groups C, D, E, F and G,
IIA equal to Gas Groups D, E, F and G
Out A 13 - 16
15 - 16
Out B
Out C
14 - 16
Co / Ca = 4.35 µF
Co / Ca = 0.86 µF
(I)
(IIIC)
Lo / La = 21.78 mH
Lo / La = 6.63 mH
(I)
(IIIC)
Lo / La = 40.36 mH
Lo / La = 12.3 mH
(I)
(IIIC)
Lo / La = 55.09 mH
Lo / La = 16.7 mH
(I)
(IIIC)
Lo / Ro = 514.6 µH/
Lo / Ro = 156.8 µH/
(I)
(IIIC)
Lo / Ro = 700.6 µH/
Lo / Ro = 213.5 µH/
(I)
(IIIC)
Lo / Ro = 818.5 µH/
Lo / Ro = 249.4 µH/
(I)
(IIIC)

D1049 - SIL 3 Digital Output Driver NE Loads Bus PoweredG.M. International ISM0097-9 5
For installations in which both the Ci and Li of the Intrinsically Safe apparatus exceed 1 % of the Co and Lo parameters of the Associated Apparatus (excluding the cable),
then 50 % of Co and Lo parameters are applicable and shall not be exceeded (50 % of the Co and Lo become the limits which must include the cable such that
Ci device + C cable 50 % of Co and Li device + L cable 50 % of Lo).
If the cable parameters are unknown, the following value may be used: Capacitance 60pF per foot (180pF per meter), inductance 0.20µH per foot (0.60µH per meter).
The Intrinsic Safety Entity Concept allows the interconnection of Intrinsically Safe devices approved with entity parameters not specifically examined in combination as a system
when the above conditions are respected.
For Division 1 and Zone 0 installations, the configuration of Intrinsically Safe Equipment must be FM approved under Entity Concept (or third party approved);
for Division 2 installations, the configuration of Intrinsically Safe Equipment must be FM approved under non-incendive field wiring or Entity Concept (or third party approved).
Function Diagram
HAZARDOUS AREA ZONE 0 (ZONE 20) GROUP IIC,
HAZARDOUS LOCATIONS CLASS I, DIVISION 1, GROUPS A, B, C, D,
CLASS II, DIVISION 1, GROUPS E, F, G, CLASS III, DIVISION 1,
CLASS I, ZONE 0, GROUP IIC
SAFE AREA, ZONE 2 GROUP IIC T4,
NON HAZARDOUS LOCATIONS, CLASS I, DIVISION 2,
GROUPS A, B, C, D T-Code T4, CLASS I, ZONE 2, GROUP IIC T4
Use only one output at a time
(Out A or Out B or Out C)
MODEL D1049S
15
16
5
6
+
-
Solenoid
Valve
=
=In 1
Control
14
13
Out 1
+
-
+
-
--
+Solenoid
Valve
Solenoid
Valve
+
-
1 +
2 - Transistor Fault Out
Out COut BOut A
Load
Diag.
7
8Override
+
-
3 +
4 - Supply 24 Vdc
=
=

D1049 - SIL 3 Digital Output Driver NE Loads Bus Powered G.M. International ISM0097-9
6
Functional Safety Manual and Application
Application of D1049S for NE load
Failure category Failure rates (FIT)
dd = Total Dangerous Detected failures 0.00
du = Total Dangerous Undetected failures 1.90
sd = Total Safe Detected failures 0.00
su = Total Safe Undetected failures 170.63
λtot safe = Total Failure Rate (Safety Function) = λdd + λdu + λsd + λsu 172.53
MTBF (safety function, single channel) = (1 / λtot safe) + MTTR (8 hours) 661 years
no effect = “No effect” failures 271.27
not part = “Not Part” failures 31.60
λtot device = Total Failure Rate (Device) = λtot safe + λno effect + λnot part 475.40
MTBF (device, single channel) = (1 / λtot device) + MTTR (8 hours) 240 years
λsd λsu λdd λdu SFF
0.0 FIT 170.63 FIT 0.00 FIT 1.90 FIT 98.90%
Failure rates table according to IEC 61508:2010 Ed.2 :
Failure rate table:
Safety Function and Failure behavior:
D1049S is considered to be operating in Low Demand mode, as a Type A module, having Hardware Fault Tolerance (HFT) = 0.
The failure behaviour of D1049S for NE loads is described by the following definitions:
Fail-Safe State: it is defined as the output being de-energized;
Fail Safe: failure mode that causes the module / (sub)system to go to the defined fail-safe state without a demand from the process;
Fail Dangerous: failure mode that does not respond to a demand from the process (i.e. being unable to go to the defined fail-safe state), so that the output remains energized ;
Fail “No Effect”: failure mode of a component that plays a part in implementing the safety function but that is neither a safe failure nor a dangerous failure.
When calculating the SFF, this failure mode is not taken into account.
□ Fail “Not part”: failure mode of a component that is not part of the safety function but part of the circuit diagram and is listed for completeness.
When calculating the SFF, this failure mode is not taken into account.
Failure rate data: taken from Siemens Standard SN29500.
Description:
The D1049S is a single channel digital output drivers, Bus powered for NE (Normally Energized) loads. The Safety PLC or DCS control signal enables the field devices through the
single channel digital output driver D1049S (1 intrinsic safety channel, Bus Powered), which provides the electrical isolation between Supply - Input and Output. The presence of the
input control signal is also indicated by a yellow LED on the front panel.
In order to interface the majority of field devices available on the market, two basic output circuits with different safety parameters (outputs A, B and C) are provided for channel.
The selection among the three output characteristics is obtained by connecting the field devices to a different couple of terminal blocks.
The field line and load fault detection is enabled, the override input is disabled and direct In / Out operation is selected, setting the internal DIP-switches in the following modes:
The module is powered by connecting 24 Vdc power supply to Pins 3 (+ positive) and 4 (- negative).
The Control signal from Safety PLC Outputs is applied to Pins 5 - 6.
The Output NE load is applied to Pins 13 - 16 or 14 - 16 or 15-16.
The following table describes the state (energized or de-energized) of the output when the Loop Control signal is in the High (20 to 30 Vdc) or Low (0 Vdc) state.
Operation Input Signal State
Pins 5 - 6
Output State
Pins 13-16 (Out A) or 14-16 (Out B) or 15-16 (Out C)
Normal High (20 to 30 Vdc) Energized
Trip Low (0 Vdc) De-energized (as safe state condition)
De-energized to trip operation
D1049S
13
14
Out 1
15
+
Solenoid
Valve
16
-
+
Out C
Normal state operation
Output is de-energized
Out B Out A
Solenoid
Valve
+
Solenoid
Valve
--
1 +
2 -
In 1 ≥20 Vdc
7 +
8 - Must not be used
because disabled
Fault Output
Not used for
functional
safety purpose
D1049S
1 +
2 -
13
14
Out 1
15
+
Solenoid
Valve
16
-
+
Out C In 1 = 0 Vdc
Output is energized
Out B Out A
Solenoid
Valve
+
Solenoid
Valve
--
7 +
8 -
Fault Output
Not used for
functional
safety purpose
SW1 Dip-switch position 1 2 3 4
ON / OFF state ON - - -
SW2 Dip-switch position 1 2 3 4
ON / OFF state ON - - OFF
Must not be used
because disabled
3 +
4 - Supply 24 Vdc
Control Signal from
Safety PLC Output
5 +
6 -
3 +
4 - Supply 24 Vdc
Control Signal from
Safety PLC Output
5 +
6 -
T[Proof] = 1 year T[Proof] = 12 years
PFDavg = 8.32 E-06 Valid for SIL 3 PFDavg = 9.98 E-05 Valid for SIL 3
PFDavg vs T[Proof] table (assuming Proof Test coverage of 99%), with determination of SIL supposing module contributes >10% of total SIF dangerous failures:
PFDavg vs T[Proof] table (assuming Proof Test coverage of 99%), with determination of SIL supposing module contributes 10% of total SIF dangerous failures:
T[Proof] = 20 years
PFDavg = 1.66 E-04 Valid for SIL 3
Systematic capability SIL 3

D1049 - SIL 3 Digital Output Driver NE Loads Bus PoweredG.M. International ISM0097-9 7
Testing procedure at T-proof
The proof test must be performed to reveal dangerous faults which cannot be otherwise detected. This means that it is necessary to specify how dangerous undetected faults, which
have been noted during the FMEDA analysis, can be revealed during the proof test.
The Proof Test consists of the following steps
Testing procedure at T-proof
Steps Action
1Bypass the Safety-related PLC or take any other appropriate action to avoid a false trip.
2Set the following configuration:
SW1 DIP-switch: SW1-1 = OFF (to disable the field line and load fault detection), SW1-2 = SW1-3 = SW1-4 = ON or OFF (because they are not used);
SW2 DIP-switch: SW2-1 = ON (direct IN/OUT transfer function), SW2-2 = ON , SW2-3 = OFF , SW2-4 = OFF (to enable fault output and disable override input function-
ality).
The series connection of a 1 kload resistor and an ammeter must be connected, in parallel with a voltmeter, to one of the module outputs (starting with Out A, then going
on with Out B and finally proceeding with Out C). Supply the D1049S module at 24 Vdc. Then, apply the control signal to the module input channel, which can
have the following two states:
OFF = 0 Vdc, implying that the load current is 0 mA and the load voltage is 0 V because the 1 kload resistor must be de-energized in accordance with the control input
signal OFF state;
ON = 24 Vdc, so that the 1 kload resistor must be energized, with the following current and voltage values: 17.5 ÷ 18.5 mA and 17.5 ÷ 18.5 V (for Out A); 16.5 ÷ 17.5
mA and 16.5 ÷ 17.5 V (for Out B); 16 ÷ 17 mA and 16 ÷ 17 V (for Out C).
In addition, disconnect the 1 kload resistor from the output channel in order to generate an open / short output circuit, when the line and load fault detection is disabled
and the control signal is ON:
open circuit: connect only the voltmeter in parallel to the output, so that the output voltage is within the 21 ÷ 21.5 V range;
short circuit: connect only the ammeter in parallel to the output, so that the output current is within the 53 ÷ 57 mA range.
3Consider the configuration setup defined in the previous proof test step (2) and change the SW1-1 DIP-switch from the OFF to the ON position, in order to enable the field
line and load fault detection. Supply the D1049S module at 24 Vdc, apply a 24 Vdc = ON control signal to the module input channel, then connect an ohmmeter to the fault
output and another one to the Fault Bus output.
In the presence of the 1 kload resistor connected to the output channel, the fault red LED is turned off, the fault output is closed (that is, there is presence of ohmic continui-
ty) and the Fault Bus output is open (that is, there is absence of ohmic continuity) because no line or load fault is detected.
Now, disconnect the 1 kload resistor from the output channel in order to generate a line or load fault (open / short circuit fault), so that fault red LED is turned on, the fault
output is open (that is, there is absence of ohmic continuity) and the Fault Bus output is closed (that is, there is presence of ohmic continuity).
Then, generate an open or short output circuit fault performing the following setup changes:
open circuit: connect only the voltmeter in parallel to the module output, so that the load voltage is within the 4 ÷ 4.5 V range (open circuit voltage of the diagnostic
circuit);
short circuit: connect only the ammeter in parallel to the module output, so that the load current is < 1 mA (short circuit current of the diagnostic circuit).
These results are also valid when the control signal state is OFF and the channel is turned off, because the fault diagnostic circuit (if enabled) is always active independently
from the channel state.
4 Consider the configuration setup defined in the previous proof test step (2) and change SW1-1 DIP-switch from the OFF to the ON position, in order to enable the field line
and load fault detection. Replace the series connection of a 1 kload resistor and an ammeter with a current calibrator (set to 45 mA). This current generator and a voltmeter
are connected in parallel to one of the module outputs (starting with Out A, then going on with Out B and finally proceeding with Out C). Supply the D5049S or D1049S mod-
ule at 24 Vdc and apply a 24 Vdc = ON control signal to the module input channel, verifying the following load voltage values: 13 ÷ 13.5 V (for Out A), 10.2 ÷ 10.7 V (for Out
B) and 8.5 ÷ 9 V (for Out C).
5 Restore the loop to full operation.
6 Remove the bypass from the Safety-related PLC or restore normal operation.
This test reveals almost 99 % of all possible Dangerous Undetected failures in the digital output module.
Installation
D1049 is a digital output isolator housed in a plastic enclosure suitable for installation on T35 DIN Rail according to EN50022.
D1049 unit can be mounted with any orientation over the entire ambient temperature range, see section “Installation in Cabinet” and "Installation of Electronic Equipments in Cabinet"
Instruction Manual D1000 series for detailed instructions.
Electrical connection of conductors up to 2.5 mm² are accommodated by polarized plug-in removable screw terminal blocks which can be plugged in/out into a powered unit
without suffering or causing any damage (for Zone 2 or Division 2 installations check the area to be nonhazardous before servicing).
The wiring cables have to be proportionate in base to the current and the length of the cable.
On the section “Function Diagram” and enclosure side a block diagram identifies all connections and configuration DIP switches.
Identify the function and location of each connection terminal using the wiring diagram on the corresponding section, as an example:
Connect 24 Vdc power supply at terminal “3” positive and at terminal “4” negative.
Connect control input signal positive at terminal “5” and negative at terminal “6”.
Connect fault open collector transistor output positive at terminal “1” and negative at terminal “2”.
Connect override input at terminal “7” positive and at terminal “8” negative.
Connect positive output at terminal “13” and negative output at “16” using “Out A” diagram or positive output at terminal “14” and negative at terminal “16” using “Out B” diagram or
positive output at terminal “15” and negative at “16” using “Out C” diagram.
NOTE: use only one output at a time, Out A or Out B or Out C not contemporary.
Intrinsically Safe conductors must be identified and segregated from non I.S. and wired in accordance to the relevant national/international installation standards
(e.g. EN/IEC60079-14 Electrical apparatus for explosive gas atmospheres - Part 14: Electrical installations in hazardous areas (other than mines), BS 5345 Pt4, VDE 165,
ANSI/ISA RP12.06.01 Installation of Intrinsically Safe System for Hazardous (Classified) Locations, National Electrical Code NEC ANSI/NFPA 70 Section 504 and 505,
Canadian Electrical Code CEC), make sure that conductors are well isolated from each other and do not produce any unintentional connection.
Connect SPST output transistors checking the load rating to be within the maximum rating (100 mA, 35 Vdc resistive load).
The enclosure provides, according to EN60529, an IP20 minimum degree of mechanical protection (or similar to NEMA Standard 250 type 1) for indoor installation, outdoor installation
requires an additional enclosure with higher degree of protection (i.e. IP54 to IP65 or NEMA type 12-13) consistent with the effective operating environment of the specific installation.
Units must be protected against dirt, dust, extreme mechanical (e.g. vibration, impact and shock) and thermal stress, and casual contacts.
If enclosure needs to be cleaned use only a cloth lightly moistened by a mixture of detergent in water.
Electrostatic Hazard: to avoid electrostatic hazard, the enclosure of D1049 must be cleaned only with a damp or antistatic cloth.
Any penetration of cleaning liquid must be avoided to prevent damage to the unit. Any unauthorized card modification must be avoided.
According to EN61010, D1049 must be connected to SELV or SELV-E supplies.

D1049 - SIL 3 Digital Output Driver NE Loads Bus Powered G.M. International ISM0097-9
8
D1049 is an isolated Intrinsically Safe Associated Apparatus installed into standard EN50022 T35 DIN Rail located in Safe Area/ Non Hazardous Locations or
Zone 2, Group IIC, Temperature Classification T4, Class I, Division 2, Groups A, B, C, D, Temperature Code T4 and Class I, Zone 2, Group IIC, IIB, IIA Temperature Code T4
Hazardous Area/Hazardous Locations (according to EN/IEC60079-15, FM Class No. 3611, CSA-C22.2 No. 213-M1987, CSA-E60079-15)
within the specified operating temperature limits Tamb -20 to +60 °C, and connected to equipment with a maximum limit for AC power supply Um of 250 Vrms.
Non-incendive field wiring is not recognized by the Canadian Electrical Code, installation is permitted in the US only.
For installation of the unit in a Class I, Division 2 or Class I, Zone 2 location, the wiring between the control equipment and the D1049 associated apparatus shall be accomplished
via conduit connections or another acceptable Division 2, Zone 2 wiring method according to the NEC and the CEC.
Not to be connected to control equipment that uses or generates more than 250 Vrms or Vdc with respect to earth ground.
D1049 must be installed, operated and maintained only by qualified personnel, in accordance to the relevant national/international installation standards
(e.g. IEC/EN60079-14 Electrical apparatus for explosive gas atmospheres - Part 14: Electrical installations in hazardous areas (other than mines), BS 5345 Pt4, VDE 165,
ANSI/ISA RP12.06.01 Installation of Intrinsically Safe System for Hazardous (Classified) Locations, National Electrical Code NEC ANSI/NFPA 70 Section 504 and 505,
Canadian Electrical Code CEC) following the established installation rules, particular care shall be given to segregation and clear identification of I.S. conductors from non I.S. ones.
De-energize power source (turn off power supply voltage) before plug or unplug the terminal blocks when installed in Hazardous Area/Hazardous Locations or
unless area is known to be nonhazardous.
Warning: substitution of components may impair Intrinsic Safety and suitability for Division 2, Zone 2.
Explosion Hazard: to prevent ignition of flammable or combustible atmospheres, disconnect power before servicing or unless area is known to be nonhazardous.
Failure to properly installation or use of the equipment may risk to damage the unit or severe personal injury.
The unit cannot be repaired by the end user and must be returned to the manufacturer or his authorized representative. Any unauthorized modification must be avoided.
Warning
Start-up
Before powering the unit check that all wires are properly connected, particularly supply conductors and their polarity, input and output wires, also check that Intrinsically Safe conductors
and cable trays are segregated (no direct contacts with other non I.S. conductors) and identified either by color coding, preferably blue, or by marking.
Check conductors for exposed wires that could touch each other causing dangerous unwanted shorts.
Turn on power, the “power on” green led must be lit, “status” led and fault led must were in accordance with condition of the corresponding output line.
If possible change the status of driving signal and connection line one at time checking the corresponding status and fault leds condition as well as output to be correct.
The single channel DIN-Rail Bus Powered Digital Output Isolator, D1049S, is suitable for driving solenoid valves, visual or audible alarms to alert a plant operator, or
other process control devices in Hazardous Area from a driving signal in Safe Area. It can also be used as a controllable supply to power measuring or process control equipment.
Its use is allowed in applications requiring up to SIL 3 level (according to IEC 61508) in safety related systems for high risk industries.
The Safety PLC or DCS driving signal controls the field device through the D1049S, which provides isolation and is capable of monitoring the conditions of the line.
Short and open circuit diagnostic monitoring, dip-switch selectable, operates irrespective of the output condition and provides LED indication and NC transistor output signaling.
When fault is detected output is de-energized until normal condition is restored.
An override input, dip-switch selectable, is provided to permit a safety system to override the control signal. When enabled, a low input voltage always de-energizes the field device
regardless of the input signal.
Three basic output circuits are selectable, with different safety parameters, to interface the majority of devices on the market. The selection among the three output characteristics
is obtained by connecting the field device to a different terminal block.
Presence of supply power, output status, as well as integrity or fault condition of device and connecting line are displayed by signaling LEDs (green for power, yellow for status, red for fault).
Operation
D1049 Associated Apparatus
FM Approved
under Entity Concept
and non-incendive field wiring
Unclassified Locations or
Hazardous (Classified) Locations
Class I, Division 2, Groups A, B, C, D, T-Code T4
Class I, Zone 2, Group IIC, IIB, IIA, T-Code T4
FM Approved under Entity Concept,
or third party approval
Hazardous (Classified) Locations
Class I, Division 1, Groups A, B, C, D
Class II, Division 1, Groups E, F, G
Class III, Division 1
Class I, Zone 0, Group IIC, IIB, IIA
Must not use or generate
more than 250 Vrms or Vdc
Unclassified Locations
Unclassified Locations or
Hazardous (Classified) Locations
Class I, Division 2, Groups A, B, C, D, T-Code T4
Class I, Zone 2, Group IIC, IIB, IIA, T-Code T4
Hazardous (Classified) Locations
Class I, Division 2, Groups A, B, C, D
Class II, Division 2, Groups E, F, G
Class III, Division 2
Class I, Zone 2, Group IIC, IIB, IIA
FM Approved under non-incendive field
wiring (permitted only for US installations),
or third party approval
Unclassified Locations
Must not use or generate
more than 250 Vrms or Vdc
-16
Intrinsically
Safe Equipment
+
15
14
13
++
+
++14
-
+
16
15
+13
8-
4
3
-
+
7+
+
-Control
Equipment
Control
Equipment
Power Supply
Control
Equipment
+
-
Non-incendive
Equipment
5
6
1
2
4
3
2
1
-
+
-
+
7
8
+
-
6
5
-
+
Control
Equipment
Power Supply
Control
Equipment
Control
Equipment
D1049 Associated Apparatus
FM Approved
under Entity Concept
and non-incendive field wiring

D1049 - SIL 3 Digital Output Driver NE Loads Bus PoweredG.M. International ISM0097-9 9
Configuration
Configuration DIP switches are located on component side of pcb. These switches allows the configuration of phase reversal, override input and fault detection functions.
ON
SW2
Side A Panel View
SW1
ON
Side B Panel View
SW1 dip switch configuration
1234
ON
Not used
SW1
Field line and
load fault detection 1OFF
1ON
Disabled
Enabled
1
1ON
SW2 IN / OUT Operation
Used for SIL applications.
Input high (24 Vdc),
output energized
or
Input low (0 Vdc),
output de-energized
Input high (24 Vdc),
output de-energized
or
Input low (0 Vdc),
output energized
Override
control input Disabled
Enabled
4
4
ON
OFF
OFF
SW2 dip switch configuration
1234
ON
Not Used
SW1 factory settings
All DIP-switches are ON
1234
ON
1234
ON
SW2 factory settings
DIP-switches 1-2 are ON
and 3-4 are OFF
Used for SIL applications.
Used for SIL applications.