CTI 2555-A 16-Channel Analog Input Module, Rev 003, Used
CTI 2555-A 16-Channel Analog Input Module, Rev 003, Used
CTI 2555-A 16-channel differential analog input module by Control Technology Inc. (CTI), hardware Rev 003, for CTI 2500 Series and Siemens SIMATIC 505 (TI505) I/O bases. A replacement for the Siemens 505-2555 that accepts voltage or current signals. Condition: used, untested. In stock at Avaella.
Sample photo shown; actual unit may vary.
Condition
- Used, untested, hardware Rev 003
- This unit has not been bench-tested. It is sold with a 30-day warranty (see below).
- Cosmetic wear consistent with prior service may be present.
- Sample photo from the manufacturer, not the actual unit.
What's Included
- One 2555-A module only
The 2500-40F wiring connector, cables and manuals are not included unless stated.
Specifications
| Part number | 2555-A |
| Hardware revision | Rev 003 |
| Manufacturer | Control Technology Inc. (CTI) |
| Product family | CTI 2500 Series Classic analog input; Simatic 505 / TI505 compatible |
| Replaces | Siemens 505-2555 |
| Input channels | 16 differential analog inputs |
| Signal ranges | Unipolar 0–5 V, 0–10 V, 0–20 mA; bipolar ±5 V, ±10 V, ±20 mA |
| Update time | 5.9 ms (no filtering); 8.2 ms with digital filtering |
| Resolution | 14 bits (unipolar); 13 bits + sign (bipolar) |
| Accuracy @ 25 °C | 0.057% FS voltage; 0.2% FS current |
| Repeatability | 0.008% |
| Input resistance | 680 kΩ voltage mode; 250 Ω current mode |
| Common / normal mode rejection | >86 dB @ 60 Hz / >45 dB @ 60 Hz |
| Isolation | 1500 VDC channel-to-PLC backplane |
| Overrange protection | 500 V |
| Connector | 2500-40F wiring connector (not included), 14–22 AWG |
| Backplane power | 5.0 W |
| Other | Supports Immediate I/O; no external power supply or current resistor needed |
| Module size | Single-wide |
| Shipping weight (CTI) | 1.5 lb |
Specs are from the CTI 2555-A product page and product bulletin.
Documentation
CTI 2555-A product bulletin (PDF)
Shipping
Free shipping to US addresses. Free insured shipping within the continental US, with no shipping charge. Ships from Avaella in Iowa, from our own stock. Usually ships in 3–5 business days.
International shipping available. Contact sales@avaella.net for an international shipping quote.
Warranty & Returns
Avaella backs this used, untested unit with a 30-day warranty from delivery. If it is defective within 30 days we will replace it or refund you. 30-day returns; email sales@avaella.net for an RMA before shipping anything back. Return shipping is paid by the buyer unless the item is DOA or we sent the wrong item.
Questions? Email sales@avaella.net.
CTI and 2500 Series are trademarks of Control Technology Inc.; Siemens, SIMATIC and Series 505 are trademarks of Siemens AG. Avaella LLC is not affiliated with Control Technology Inc. or Siemens AG and is not an authorized distributor. The original manufacturer warranty does not apply.