4-channel digital input terminal, Safety
The AKT2G-SDI-004 is a digital input terminal with 4 fail-safe inputs. With two-channel connection, the this meets the requirements of IEC 61508:2010 SIL 3,DIN EN ISO 13849-1:2015 (Cat 4, PL e), UL508, UL1998 and UL991.
Specifications
Please refer to the KAS webhelp for important information regarding the application and use of safety rated I/O terminals.
| Technical Data | AKT2G-SDI-004 |
|---|---|
| Number of inputs | 4 |
| Status Display | 4 (one green LED per input) |
| Reaction time (read input/write to E-bus) | typically: 4 ms, maximum: see error reaction time |
| Error reaction time | ≤ watchdog time |
| Cable length between sensor and terminal | unshielded max. 100 m (0.75 or 1 mm²) shielded max. 100 m (0.75 or 1 mm²) |
| Output current of the clock outputs | typically 10 mA, max. 15 mA |
| Input process image | 6 bytes |
| Output process image | 6 bytes |
| AKT2G-SDI-004 supply voltage (PELV) | 24 VDC (–15% / +20%) |
| Signal voltage "0" inputs | -3 V to 5 V (EN 61131-2, type 3) see section Characteristic curve of the inputs |
| Signal voltage "1" inputs | 11 V to 30 V (EN 61131-2, type 3) see section Characteristic curve of the inputs |
| Current consumption of the modular electronics at 24 V (without current consumption of sensors) | 4 channels occupied: typically 12 mA 0 channels occupied: typically 1.4 mA |
| Current consumption via E-bus | 4 channels occupied: approx. 200 mA |
| Power dissipation of the terminal | typically 1 W |
| Electrical isolation (between the channels) | no |
| Electrical isolation (between the channels and the E-bus) | yes |
| Insulation voltage (between the channels and the E-bus, under common operating conditions) | insulation tested with 500 VDC |
| Dimensions (W x H x D) | 12mm x 100mm x 68mm |
| Weight | approx. 50 g |
| Permissible ambient temperature (operation) up to SW 05 | 0 °C to +55 °C (see note in Installation position and minimum distances) |
| Permissible ambient temperature (operation) from SW 06 (week 02/2014) | -25°C to +55 °C (see note in Installation position and minimum distances) |
| Permissible ambient temperature (transport/storage) | -40°C to +70°C |
| Permissible air humidity | 5% to 95%, non-condensing |
| Permissible air pressure (operation/storage/transport) | (this corresponds to a height of approx. -690 m to 2450 m over sea level assuming an international standard atmosphere) |
| Climate category according to EN 60721-3-3 | 3K3 (the deviation from 3K3 is possible only with optimal environmental conditions and also applies only to the technical data which are specified differently in this documentation) |
| Permissible level of contamination according to EN 60664-1 | level of contamination 2 (comply with the section Safety I/O Maintenance) |
| Impermissible operating conditions | Safety terminals must not be used under the following operating conditions: • under the influence of ionizing radiation (that exceeds the level of the natural environmental radiation) • in corrosive environments • in an environment that leads to unacceptable soiling of the Bus Terminal |
| EMC immunity/emission | conforms to EN 61000-6-2 / EN 61000-6-4 |
| Vibration/shock resistance | conforms to EN 60068-2-6 / EN 60068-2-27 |
| Shocks | 15 g with pulse duration 11 ms in all three axes |
| Protection class | IP20 |
| Permitted operating environment | In the control cabinet or terminal box, with minimum protection class IP54 according to IEC 60529 |
| Permissible installation position | see section Installation position and minimum distances |
| Approvals | CE, cULus |
Media & Downloads
| Title | File Language | Date | Share URL |
|---|---|---|---|
| AKT2G I/O Manual EN | English | |
Share URL /sites/default/files/public_downloads/AKT2G_IO.pdf |
These files cover the standard product family line. For environmental declarations for custom products, i.e. part numbers containing “S” or “X”, visit our Environmental Compliance search.
| Title | File Language | Date | Share URL |
|---|---|---|---|
| AKT2G_SDI_safety certificate_FSM_EU_Eng | English | |
Share URL /sites/default/files/2024-09/AKT2G_SDI_safety%20certificate_FSM_EU_Eng.pdf |
| AKT2G_SDO_safety certificate_FSM_EU_Eng | English | |
Share URL /sites/default/files/2024-09/AKT2G_SDO_safety%20certificate_FSM_EU_Eng.pdf |
| Kollmorgen EU Declaration of Conformity AKT2G (DE) | English | |
Share URL /sites/default/files/public_downloads/ce_AKT2G%20IO_e.pdf |
These 3D models are intended to guide your design activities and may be used as reference information. Be sure to consult a Kollmorgen expert to ensure you have the most current and accurate information for critical aspects of design work.
| Title | File Language | Date | Share URL |
|---|---|---|---|
| AKT2G CAD Models & 2D Drawings | English | |
Share URL /sites/default/files/2025-02/AKT2G-3D-Models.zip |
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