R. STAHL Remote I/O IS1+ Digital Output Module
for Zone 1 Ex i
Art. Nr. 210651
Key Features
- 4 channels for Ex i solenoid valves up to 40 mA
- Outputs Ex ia with line fault monitoring and LEDs
- Fault and status indication per channel, as well as SIL2 shutdown input
- Modules can be replaced under voltage in Zone 1 (hot swap)
The Digital Output Module 9475/32-04 for Zone 1 has 4 channels for controlling Ex i solenoid valves or indicator lights. An additional Ex i control input is available for safe shutdown up to SIL2. All outputs are short-circuit proof, galvanically isolated from the system, and individually monitored for wire break / short circuit.
Technical Data
Explosion Protection
| Parameter | Value |
|---|---|
| Area of Use (Zones) | 1, 2 |
| Ex Interface Zone | 0, 1, 2, 20, 21, 22 |
| IECEx Certificate Gas | IECEx DEK 12.0070X |
| IECEx Gas Explosion Protection | Ex ia [ia Ga] IIC T4 Gb |
| IECEx Certificate Dust | IECEx DEK 12.0070X |
| IECEx Dust Explosion Protection | [Ex ia Da] IIIC |
| ATEX Certificate Gas | DEKRA 12 ATEX0232X |
| ATEX Gas Explosion Protection | II 2 (1) G Ex ia [ia Ga] IIC T4 Gb |
| ATEX Certificate Dust | DEKRA 12 ATEX0232X |
| ATEX Dust Explosion Protection | II (1) D [Ex ia Da] IIIC |
| FMus Certificate | FM17US0332X |
| cFM Certificate | FM16CA0134X |
| cFM Marking | IS, Class I, Div. 1, Groups A,B,C,D; Class I, Zone 1, AEx/Ex ia [ia] IIC; AIS Class I,II,III, Div. 1, Groups A,B,C,D,E,F,G; T4 at Ta = 75°C |
| Certifications | See Doc. 94756031001 |
| Marine Approval | ABS, BVIS, EU RO MR (DNV), KR, LR |
| Conformity Declarations | ATEX (EUK), People's Republic of China (CCC) |
| Installation | Zone 1, Zone 2 and in the safe area |
| Other Information | See respective certificate and operating manual |
Safety-Related Data
| Parameter | Value |
|---|---|
| Maximum Voltage Uo | 19.7 V |
| Max. Current Ia (Ex ia) | 142 mA |
| Max. Power Pa (Ex ia) | 698 mW |
| Max. Current Ib (Ex ib) | 53.8 mA |
| Max. Power Pb (Ex ib) | 617 mW |
| Internal Inductance Li | Negligible |
| Max. Internal Capacitance Ci | 11 nF (Ci in the following tables is Ctotal minus Cexternal) |
Output Characteristics
| Parameter | Output a | ||||||
|---|---|---|---|---|---|---|---|
| 1.3 mH | 1.1 mH | 0.5 mH | 0.2 mH | 0.1 mH | 0.05 mH | ||
| IIC | |||||||
| Lo [mH] | 1.3 | 1.1 | 0.5 | 0.2 | 0.1 | 0.05 | |
| Co [nF] | 99 | 109 | 119 | 149 | 189 | 220 | |
| IIB/IIIC | |||||||
| Lo [mH] | 7.5 | 5.0 | 2.0 | 0.5 | 0.2 | 0.1 | 0.05 |
| Co [nF] | 669 | 879 | 889 | 889 | 989 | 1189 | 1439 |
| Parameter | Output b | ||||||
| 1.3 mH | 1.1 mH | 0.5 mH | 0.2 mH | 0.1 mH | 0.05 mH | ||
| IIC | |||||||
| Lo [mH] | 3.1 | 2.0 | 0.6 | 0.5 | 0.2 | 0.1 | 0.05 |
| Co [nF] | 109 | 109 | 119 | 119 | 149 | 189 | 220 |
| IIB/IIIC | |||||||
| Lo [mH] | 27 | 20 | 10 | 5.0 | 0.2 | 0.1 | 0.05 |
| Co [nF] | 499 | 609 | 869 | 899 | 1089 | 1189 | 1439 |
Ex i Control Input
| Parameter | Value |
|---|---|
| Ex i Control Input "System OFF" Connection Terminals | X3 1, 2 (without galvanic separation, 9575/22 compatible) |
| Ex i Control Input "System OFF" Connection Terminals | X3 3,4 (with galvanic separation, parallel switchable) |
| Ignition Protection Type | Ex ia |
| Max. Voltage Ui | 5.1 V |
| Max. Current Ii | 0.44 mA |
| Max. Power Po | 0.5 mW |
| Max. permissible Inductance Lo / Capacitance Co | IIC: Lo [mH] 100, Co [nF] 2.195; IIB/IIIC: Lo [mH] 100, Co [nF] 9.995 |
| Max. Voltage Ui | 30 V |
| Max. Internal Resistance Ri | 4940 Ω |
Electrical Data
| Parameter | Value |
|---|---|
| Number of Channels | 4 Ex i Outputs |
| Connection Ex i Field Signals | Plug-in, blue terminals, 16-pole, 2.5 mm², screw or spring-force connection with locking |
| Connection Ex i Control Input | Plug-in, blue terminals, 2-pole, 2.5 mm², screw connection with locking |
Device-Specific Data
Output Behavior
| Parameter | Value |
|---|---|
| Output Behavior in Case of Fault | Hold last value |
| LED Module Status | LED "RUN", green |
| LED Channel Fault | LED per channel, red |
| LED Channel Status | LED per channel, yellow |
| LED "System OFF" | LED "System OFF", yellow (all outputs are high-impedance) |
| Signal Status Bit | "1" = Output is supplied; "0" = Output is high-impedance |
| Wire Break Output | > 10 kΩ (detectable with deactivated test current only when the output is switched on) |
| Short Circuit Output | < 30 Ω (response range 30 ... 60 Ω) (detectable only when the output is switched on) |
| Diagnosis | LED Collective Fault: LED "ERR", red |
Environmental Conditions
| Parameter | Value |
|---|---|
| Ambient Temperature | -40°C ... +75°C (-40°F ... +167°F) |
| Storage Temperature | -40°C ... +80°C (-40°F ... +176°F) |
| Max. Installation Altitude | < 2000 m |
| Max. Relative Humidity | 95% (without condensation) |
| Shock (half-sine) | 15 g (3 shocks per axis and direction) (IEC EN 60068-2-27) |
| Vibration (sine) | Frequency range 2 ... 13.2 Hz, Amplitude 1 mm (peak-to-peak); Frequency range 13.2 ... 100 Hz, Acceleration amplitude 0.7 g (IEC EN 60068-2-6) |
| Electromagnetic Compatibility | Tested according to standards and regulations: EN 61326-1 (2006), IEC 61000-4-1...6, NAMUR NE 21 (Observe operating manual) |
Mechanical Data
| Parameter | Value |
|---|---|
| Protection Rating (IP) (IEC 60529) | IP20 |
| Module Housing | Polyamide 6GF |
| Flammability Rating (UL 94) | V2 |
| Pollutant Class | Complies with G3 |
| Width | 96.5 mm (3.8 in) |
| Height | 67 mm (2.64 in) |
| Length | 128 mm (5.04 in) |
| Weight | 275 g (0.61 lb) |
Mounting / Installation
- Mounting Type: On DIN rail NS 35/15 (DIN EN 60715)
- Installation Position: Horizontal, Vertical
Technical Drawings
(Diagrams showing output characteristics and dimensions are present but cannot be displayed here.)
Accessories
Plug-in Terminal Blocks
- Art. Nr. 162702: 2.5 mm² with locking, 16-pole, screw connection, blue, for connecting field signals to I/O modules, for intrinsically safe field circuits. Labeling: 1 ... 16. Note: An additional terminal block is required for I/O module series 9470 and 9482. Labeling: 17 ... 32.
- Art. Nr. 162695: 2.5 mm² with locking, 16-pole, spring-force connection, blue, for connecting field signals to I/O modules, for intrinsically safe field circuits, including test sockets. Labeling: 1 ... 16. Note: An additional terminal block is required for I/O module series 9470 and 9482. Labeling: 17 ... 32.
Electronic Relay
- Art. Nr. 212340: The electronic relay module 9174 allows switching of Ex e loads with the aid of an intrinsically safe control. Input: Ex i; Output: 31.2 V / 2A DC, Ex e.
Electronic Relays
- Art. Nr. 282457: Electronic relay modules for switching Ex e loads via intrinsically safe (Ex i) or non-intrinsically safe (Ex e) control. Coil circuit: Ex i or Non-Ex i (Ex e)*. Contact circuit: Non-Ex i (Ex e). *Switching between Ex i and Non-Ex i circuits, or vice versa, is possible at any time without restriction. Note: Not usable with 9475/32-04-12, 9475/32-08-52, 9475/33-08-50.
- Art. Nr. 273000: Relay Module Ex i/Ex e for Zone 1. The relay module Ex i/ Ex e allows galvanically isolated switching of intrinsically safe (Ex i) and non-intrinsically safe (Ex e) circuits. Coil circuit: Ex i or Non-Ex i (Ex e). Contact circuit: Ex i or Non-Ex i (Ex e). Integrated protection for contact and coil circuits eliminates the need for additional protection. Note: Not usable with 9475/32-04-12, 9475/32-08-52, 9475/33-08-50.
Divider
- Art. Nr. 220101: For mounting between intrinsically safe and non-intrinsically safe connections of the I/O modules to maintain the 50 mm center-to-center distance.
Interference Suppression Resistor
- Art. Nr. 244911: The resistors are used for interference suppression for unused I/O channels. Resistance value: 5K6 / 0.5 W. Suitable for: AIM 9468; UMH 9469; DIOM 9470; DIOM 9471; DIOM 9472; DOM 9475. For intrinsically safe circuits (simple electrical apparatus according to EN 60079-11).
Warning Label
- "Clean the module only with a damp cloth."
DIN A4 Sheet
- For labeling plates on I/O modules; 6 labels per sheet; Print IS Wizard; Packaging unit = 20 sheets.
Labeling Strips
- Art. Nr. 162788: "FB Addr ... Mod No ..." for plug-in terminal block, 26 pieces per sheet.
Spare Parts
Vibration Mounting Set
- Art. Nr. 271920: For installation with extreme vibrations (> 0.7 g and max. 4 g), the 9490 vibration mountings can be used as an additional measure and ensure the mechanical stability of the individual modules. For mounting: all I/O modules, except 9477/12 and 9478. Number of mountings in the set: 8.
Screw Set
- Art. Nr. 275516: Screw Set M5 x 14 (thread-forming) for Vibration Mountings 9490. Number of screws in the set: 25. (Screws (Art. Nr. 275516) must be ordered separately!)
LED Indicator Ex i
- Art. Nr. 237972: LED indicator for intrinsically safe circuits 8010/3-02, Ex i.
LED Indicator for Front Installation
- Art. Nr. 240901: For front installation Ex i.
Technical data, dimensions, weights, constructions, and delivery options are subject to change. Illustrations are non-binding.
