R. STAHL IS1+ Remote Digital Input/Output Module for Zone 2 Ex i
Article Number: 9470/33-16-10
Part Number: 210448
Product Overview
The R. STAHL 9470/33 module is a digital input and output module for Zone 2, designed for Ex i operation. It features 16 channels that can be used as inputs or outputs for NAMUR initiators (EN 60947-5-6) or as low-power solenoid valves and indicators. Up to 8 inputs can be used for frequencies up to 20 kHz, and 4 for direction recognition. All inputs and outputs are short-circuit proof and galvanically isolated from the system.
Key Features:
- 16 channels configurable as inputs or outputs.
- Intrinsic safety Ex ia IIC with line fault control.
- Hot-swappable for Zone 2 modules.
Technical Data
Explosion Protection
| Applications (zones) | 0, 1, 2, 20, 21, 22 |
| Ex zone interface | IECEx DEK 12.0044X |
| IECEx gas explosion protection | Ex ec ia [ia Ga] IIC T4 Gc |
| IECEx dust explosion protection | IECEx DEK 12.0044X [Ex ia Da] IIIC |
| ATEX gas explosion protection | DEKRA 12 ATEX0099 X II 3 (1) G Ex ec ia [ia Ga] IIC T4 Gc |
| ATEX dust explosion protection | DEKRA 12 ATEX0099 X II (1) D [Ex ia Da] IIIC |
| FM approval | FM17US0332X |
| cFM approval | FM16CA0134X |
| cFM marking | NI, Class I, Div. 2, Groups A,B,C,D; Class I, Zone 2, AEx/Ex nA ia [ia] IIC; AIS Class I,II,III, Div. 1, Groups A,B,C,D,E,F,G; T4 at Ta = 75°C |
Certifications
| Marine certification | ABS, BVIS, EU RO MR (DNV), KR, LR |
| Certificate of conformity | ATEX (EUK), China (CCC) |
| Installation | In Zone 2 and safe zone |
Safety Data
| Maximum voltage U | 9.8 V |
| Maximum current I (Ex ia) | 10.4 mA |
| Maximum power P. (Ex ia) | 25.5 mW |
| Internal capacitance (1 channel) | 2.5 nF |
| Internal inductance | Irrelevant |
Electrical Data
| Number of channels | 16 inputs/outputs Ex i (pair-configurable) |
| Current consumption | 120 mA |
| Connection Ex i field signals | Plug-in terminals, 16-pole, 2.5 mm², screw or spring clamp type with locking |
| Auxiliary power connection | BusRail connection |
| Auxiliary power supply type | Intrinsic safety Ex ia via BusRail |
| Current consumption (auxiliary power) | 120 mA |
| Maximum power consumption (auxiliary power) | 2.5 W |
| Maximum dissipated power (outputs) | 2.5 W |
| Galvanic separation | According to EN 60079-11 |
| Auxiliary supply/System component isolation | ≥ 1500 V AC |
| I/O Module - I/O Module isolation | ≥ 500 V AC |
| I/O Channels - System component isolation | ≥ 500 V AC |
| I/O Channels - Ground (PA) isolation | ≥ 500 V AC |
Input Specifications
| Number of inputs | 16 |
| Minimum input signal ON | 2.1 mA |
| Maximum input signal OFF | 1.2 mA |
| Switching threshold | 1.65 mA |
| Supply voltage | 8.2 V |
| Internal resistance | 1 kΩ |
| Input signal function | Input EN 60947 (NAMUR) |
| Direction with frequency | Counter up/down |
| Maximum number of input counters | 8 |
| Counting range | 0 ... 65535 as UINT16 |
| Maximum frequency input number | 8 |
| Minimum pulse width | 25 µs |
| Resolution | 16 bits/32 bits |
| Maximum switching frequency | 20 kHz (at frequencies > 1 kHz, max. cable length reduces, e.g., to 5 kHz at approx. 75 m) |
| Frequency band | Measurement range: 0.1...600 Hz, 1 Hz...3 kHz*, 1 Hz...20 kHz. Resolution: 0.01 Hz, 0.05 Hz, 0.5 Hz. Precision: 0.1% |
| Direction detection, Up/down counter | Max. channels: 4 (for two parallel inputs) |
Output Specifications
| Maximum number of outputs | 16 |
| Maximum output current | 8.2 mA |
| Internal resistance outputs | 1 kΩ |
| Nominal output service | 6 V / 2 mA |
| Open-circuit voltage U₂ | 8.2 V |
Output Characteristic: A graph shows output voltage (U [V]) versus output current (I [mA]), illustrating the output behavior.
Signal Transmission
Maximum signal delay / internal bus > 1 ms
Maximum frequency input delay / internal bus
| Filter | without | low | intermediate | high | |
| Frequency | 0.1 Hz ≤ f < 1 Hz | 1/f + 1 ms | 2/f | 3/f | 6/f |
| 1 Hz ≤ f < 10 Hz | 1/f + 1 ms | 4/f | 9/f | 18/f | |
| 10 Hz ≤ f < 100 Hz | 1/f + 1 ms | 8/f | 27/f | 54/f | |
| 100 Hz ≤ f < 1 kHz | 1/f + 1 ms | 16/f | 81/f | 162/f | |
| 1 kHz ≤ f < 1960 Hz | 1.5 ms | 32/f | 243/f | 486/f | |
| 1960 Hz ≤ f < 10 kHz | 1.5 ms | 16.5 ms | 124 ms | 248 ms | |
| 10 kHz ≤ f < 20 kHz | 1.5 ms | 33 ms | 372 ms | 744 ms | |
| f ≥ 20 kHz | 1.5 ms | 66 ms | 372 ms | 744 ms |
Device-Specific Data
| Signal type | Input, Output |
| Diagnostic module status | CON (Continuous), DESC (Discontinuous) |
| Pulse/frequency filter prolongation | 2.4 s/high, 0.6 s/low, 1.2 s/medium, 0 s/OFF |
| Invert input/output | normal, inverted |
| Line fault control | DESC, CON |
| Input error proportion | Substitution value "0", Substitution value "1", Hold (initial value 0), Hold (initial value 1) |
| Counter/frequency operating mode | Up/down counter 32 bits, Up/down counter 16 bits, 16-bit counter, 1 Hz...3 kHz, 1 Hz...20 kHz with direction, 1 Hz...20 kHz, 0.1...600 Hz |
| Counter control | Stop, Run, Reset |
| Counter event | Positive edge, Negative edge |
| Accessible parameters | Type, SW revision, Serial number, Manufacturer, HW revision |
| LED module maintenance requirement | LED "M/S", blue |
| LED maintenance status | LED "RUN", green |
| LED channel error | None |
Channel Status LED
| LED state | None |
| Signal status bit | "0" = High impedance output, "1" = Output energized |
Input Break/Short-Circuit Detection
| Input wire break | < 50 µA |
| Input short circuit | < 100 Ω |
| Output wire break | < 50 µA |
| Output short circuit | < 100 Ω |
| Short-circuit detection | Only possible in ON state |
| Wire break/short-circuit detection notice | For inputs, a series connection of 1 kΩ and a parallel connection of 10 kΩ is required for wire break/short-circuit detection. For outputs, wire break/short-circuit detection is only possible in the ON state. |
Diagnostic
| Collective error LED | LED "ERR", red |
Environmental Conditions
| Ambient temperature | -40 °C ... 75 °C (-40°F ... +167°F) |
| Storage temperature | -40 °C ... 80 °C (-40°F ... +176°F) |
| Maximum altitude | < 2000 m |
| Max. relative humidity | 95% (non-condensing) |
| Shock (half-sine wave) | 15 g (3 shocks per axis and direction) (IEC EN 60068-2-27) |
| Vibration (sinusoidal) | Frequency range 2...13.2 Hz: Amplitude 1.0 mm (max value); Frequency range 13.2...100 Hz: Acceleration amplitude 0.7 g (IEC EN 60068-2-6) |
| Electromagnetic compatibility | Complies with EN 61326-1, IEC 61000-4-1...6 and 11, NAMUR NE 21 |
Mechanical Data
| Protection rating (IP) (IEC 60529) | IP20 |
| Module housing | Polyamide 6 GF |
| Fire resistance (UL 94) | V2 |
| Emission category | Corresponds to G3 |
| Width | 96.5 mm (3.8 in) |
| Depth | 67 mm (2.64 in) |
| Length | 128 mm (5.04 in) |
| Weight | 275 g (0.61 lb) |
Mounting / Installation
| Mounting position | Vertical, Horizontal |
| Mounting type | On DIN rail NS 35/15 (DIN EN 60715) |
Dimensional Drawing: A diagram shows the module's dimensions in millimeters and inches.
Accessories
Accessory Coupling Element
| Description | Additional connection for contacts in potentially explosive areas, for detection of short circuits and wire breaks. Mounts on top-hat rail. | Part No. | 247644 |
| Description | Additional connection for contacts in potentially explosive areas, for detection of short circuits and wire breaks. | Part No. | 105944 |
Plug-in Terminal Blocks
| Description | 2.5 mm² with arrestor, 16-pole, screw connection, blue, for connecting field signals in I/O modules, for intrinsic safety field circuits. Inscription: 1 ... 16. Note: An additional second terminal on the 9470 and 9482 I/O module line is required. Labeling: 17 ... 32 | Part No. | 162702 |
| Description | 2.5 mm² with arrestor, 16-pole, screw connection, blue, for connecting field signals in I/O modules, for intrinsic safety field circuits. Inscription: 17 ... 32 | Part No. | 162718 |
| Description | 2.5 mm² with locking, 16-pole, spring force connection, blue, for connecting field signals in I/O modules, for intrinsic safety field circuits, incl. test plugs. Labeling: 1 ... 16. Note: An additional second terminal on the 9470 and 9482 I/O module line is required. Labeling: 17 ... 32 | Part No. | 162695 |
| Description | 2.5 mm² with locking, 16-pole, spring force connection, blue, for connecting field signals in I/O modules, for intrinsic safety field circuits, incl. test plugs. Labeling: 17 ... 32 | Part No. | 162716 |
Separation Wall
| Description | For mounting between intrinsic safety and non-intrinsic safety connections of I/O modules to maintain the thread measurement of 50 mm. | Part No. | 220101 |
Suppression Resistor for Error Messages
| Description | Resistors are used to suppress error messages in 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 intrinsic safety electrical circuits (simple apparatus according to EN 60079-11). | Part No. | 244911 |
Warning Plate
| Description | "Clean modules only with a damp cloth." | Part No. | 162796 |
Pilot Light
| Description | Simple electrical device for intrinsic safety electrical circuits according to EN 60079-11. | Part No. | 228026 |
DIN A4 Sheet
| Description | For labeling modules for inputs and outputs; 6 labels per sheet; IS Wizard printing; sales unit = 20 sheets. | Part No. | 162832 |
Inscription Strips
| Description | FB Addr... Mod No... for plug-in terminals, 26 units per sheet. | Part No. | 162788 |
Anti-vibration Support Kit
| Description | For installations with extreme vibrations (> 0.7 g and max. 4 g), anti-vibration supports (9490) can be used as an additional measure and guarantee the mechanical stability of individual modules. For mounting: all I/O modules, except 9477/12 and 9478. Number of supports in the set: 8. Screws (Part No. 275516) must be ordered separately! | Part No. | 271920 |
Screw Kit
| Description | Screw kit M5 x 14 (threadable) for anti-vibration supports 9490. Number of screws in the set: 25. | Part No. | 275516 |
Spare Parts
LED Indicator for Front Mounting
| Description | For front installation EEB. | Part No. | 274899 |
