Basic Info.
Product Description
Product Descriptions :
1. Order Number: UN 126-2AD/BD23-0XB8
2. Local digital Inputs & Outputs: 24DI/16DO,
3. Appropriate computering and data processing, external connection with 7 I/O Expansion modules, long-time data-holding on power-off,
4. Unique AES Iterative encryption algorithm,which protects clients' intellectual property,
5. Allowing up to two communication ports, both support PPI protocol.
| Technical specifications | |
| Model | CPU126-2Q DC/DC/DC CPU126-2R AC/DC/Relay |
| Physical characteristic | |
| Dimensions(W x H x D)(mm) | 196×80×62 |
| Power consume | 7W |
| Memory | |
| Program memory size | 8K |
| Data memory | 10K |
| Back up (by Flash, no need battery) | keep over 10 years |
| I/O | |
| Local digital inputs | 24 inputs |
| Local digital outputs | 16 outputs |
| Digital I/O image size | 128(64 inputs/64 outputs) |
| Analog I/O image size | 32(16 inputs/16 outputs) |
| expansion modules allowed (Max) | 7 modules |
| Pulse catch inputs | 14 |
| High-speed counters | 6 counters total |
| Single phase | 6 at 30KHz |
| Two phase | 4 at 20KHz |
| Pulse outputs | 2 at 20KHz(DC outputs only) |
| General | |
| Timer | Total number:256(1ms:4;10ms:16;100ms:236) |
| Counters | 256 |
| Internal memory bits stored on power down | 256 |
| Time interrupts | 2 with1ms resolution |
| Edge interrupts | 4 up and/or 4 down |
| Analog adjustment | 2 with 8 bit resolution |
| Boolean execution speed | 0.08µs per instruction |
| Real Time Clock | Built-in |
| Ports | 2 RS-485 ports,within 1 standard PPI port |
| PPI Baud Rates | 9.6,19.2 and 187.5 Kbaud |
| Freeport Baud Rates | 1.2kbaud to 115.2Kbaud |
| Max. cable length per segment | With isolated repeater:1000 m up to 187.5kbaud, 1200 m up to 38.4kbaud Without isolated repeater: 50 m |
| Max. number of stations | 32 per segment, 126 per network |
| Max. number of masters | 32 |
| Peer to peer(PPI Master Mode) | no |
| Power | |
| Input voltage | 20.4 to 28.8 VDC |
| Inrush current | 12A at 28.8 VDC |
| Isolation(field to logic) | Not isolated |
| Hold up time(loss of power) | 10ms at 24 VDC |
| Sensor voltage | L+ minus 5 V |
| Current limit | 1.5A peak,thermal limit non-destructive |
| Ripple noise (sensor to logic) | Derived from input power |
| Isolation (sensor to logic) | Not isolated |
| CPU Digital Input Specifications | |
| Built-in digital input | 24 |
| Input type | PNP/NPN |
| Rated voltage | 24 VDC at 4mA |
| Max. continuous permissible voltage | 30 VDC |
| Surge voltage | 35 VDC for 0.5s |
| Logic "1" voltage range | 15 to 30 VDC |
| Logic "0" voltage range | 0 to 5 VDC |
| Input delay | Selectable (0.2 to12.8ms) |
| Connection of 2-wire proximity sensor (Bero) Premissible leakage current (Max.) | 1mA |
| Isolation (field to logic) | Yes |
| Optical galvanic | 500 VAC for 1minute |
| High-speed Counters | single-phase 2 pcs 20K(I0.0 I0.1) |
| Cable length Max. | |
| Shielded | 500m normal inputs, 50m HSC inputs |
| unshielded | 300m normal inputs |
| CPU Digital Output Specifications | |
| Built-in outputs | 16 outputs |
| Output type | Solid State-MOSFET(Sourcing) |
| Rated voltage | 24 VDC |
| Voltage range | 20.4 to 28.8 VDC |
| Surge current (Max.) | 8A for 100ms |
| Logic "1" (Min) | 20 VDC,at maximum current |
| Logic "0" (Max) | 0.1 VDC with 10KΩ load |
| Rated current per point(Max.) | 0.5A |
| Rated current per common(Max) | 4A |
| Leakage current (Max) | 10µA |
| Lamp load (Max) | 5W |
| Inductive clamp voltage | L+ minus 48 VDC, 1w dissipation |
| On State resistance (contact) | 0.3Ω Typical(0.6Ω max.) |
| Isolation | Optocoupler Isolation |
| Pulse frequency (Max.) | 20KHz (Q0.0 and Q0.1) |
| Lifetime mechanical cycles | - |
| Lifetime contacts | - |
| Outputs on simultaneously | All at 60ºC(horizontal) |
| All at 50ºC (Vertical) | |
| Connecting two outputs in parallel | Yes, only outputs in same group |
| Cable Length (Shielded) | 500m |
| Cable Length (unshielded) | 150m |
| Order number | UN 126-2AD23-0XB8 / UN 126-2BD23-0XB8 |
