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KL1904 | Bus Terminal, 4-channel digital input, 24 V DC, TwinSAFE
Input 1
Input 3
Diagnostic 1
Diagnostic 3
Input 2
Input 4
Diagnostic 2
Diagnostic 4
Power contact
+24 V DC
+24 V DC
Power contact
0 V
0 V
Input 1
Input 3
Input 2
Input 4
KL1904 | Bus Terminal, 4-channel digital input, 24 V DC, TwinSAFE
The KL1904 safety Bus Terminal is a digital input terminal for sensors with potential-free contacts for 24 V DC and has four fail-safe inputs.
Product status:
regular delivery
Product information
| Technical data | KL1904 |
|---|---|
| Connection technology | 2-wire |
| Number of inputs | 4 |
| Protocol | TwinSAFE/Safety over EtherCAT |
| Response time | typ. 4 ms (read input/write to K-bus) |
| Fault response time | ≤ watchdog time (parameterizable) |
| Current consumption power contacts | – |
| Current consumption K-bus | 48 mA |
| Installation position | horizontal |
| Safety standard | DIN EN ISO 13849-1:2008 (Cat. 4, PL e) and EN 61508:2010 (SIL 3) |
| Weight | approx. 50 g |
| Protection rating | IP20 |
| Ex marking | ATEX: II 3G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc cFMus: Class I, Division 2, Groups A, B, C, D Class I, Zone 2, AEx ec IIC T4 Gc |
| Housing data | KL-12-8pin | KS-12-8pin |
|---|---|---|
| Design form | compact terminal housing with signal LEDs | terminal housing with pluggable wiring level |
| Material | polycarbonate | |
| Installation | on 35 mm DIN rail, conforming to EN 60715 with lock | |
| Side by side mounting by means of | double slot and key connection | |
| Marking | labeling of the BZxxxx series | |
| Wiring | solid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver | |
| Connection cross-section | s*: 0.08…2.5 mm², st*: 0.08…2.5 mm², f*: 0.14…1.5 mm² | s*: 0.08…1.5 mm², st*: 0.08…1.5 mm², f*: 0.14…1.5 mm² |
| Connection cross-section AWG | s*: AWG28…14, st*: AWG28…14, f*: AWG26…16 | s*: AWG28…16, st*: AWG28…16, f*: AWG26…16 |
| Stripping length | 8…9 mm | 9…10 mm |
| Current load power contacts | Imax: 10 A | |
| Dimensions (W x H x D) | 12 mm x 100 mm x 68 mm | |
*s: solid wire; st: stranded wire; f: with ferrule
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| Material compliance | KL1904 |
|---|---|
| REACH SVHC | no |
| POP | compliant |
| RoHS | compliant with exemption |
| RoHS exemption | 7c-I: Lead-containing electrical and electronic components in glass and ceramic materials, excluding dielectric ceramics in capacitors |
| China-RoHS | www.beckhoff.com/china-rohs-io |
| CA Prop65 | www.beckhoff.com/prop65 |
| Disclaimer | This statement and the information contained above are, to the best of our knowledge and belief, accurate, based on the information we have received from our suppliers. This information is in line with the current standard of technology and our suppliers’ technical documentation. The absence of the substances is not verified by Beckhoff Automation by means of analytical tests. When addressed to our customers any information contained in this document is subject to the terms and conditions expressed in the governing customer agreement. Our general terms and conditions apply. |
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