4 Temperature probes inputs ModBUS interface
The KET-CAD-204 is a converter for temperature probes (PT100, PT1000, PT500, Ni100 with 2, 3 or 4 wires) to platinum or nickel, with four independent and isolated measuring channels. The module features 6-way isolation up to 1.5 kV. The KET-CAD-204 provides 1500 VAC input isolation from other low voltage circuits. The module supports RS485 serial communication with ModBUS RTU Slave protocol, maximum 32 nodes, compatible with ModBUS Master KET-RMB-211 and X-Monitor Gateways.
GENERAL SPECIFICATIONS
| Protection Range | IP20 |
| Operative Temperature | -10 ÷ +65 °C |
CASE
| Dimensions | 17.5 x 100 x 112 mm (W x H x D) |
| Mounting | DIN-rail |
| Required DIN modules | 1 DIN module |
| Electric Board Type | Industrial or switchboard |
| Material | Nylon 6 preloaded 30% glass fiber self-extinguishing class V0 |
POWER SUPPLY
| Supply Voltage | 10 ÷ 40 VDC; 19 ÷ 28 VAC (50-60 Hz) |
| Consumption | Max 0.7 W |
| Connectors types | Removable screw terminals |
RS485 INTERFACE
| Supported Protocols | ModBUS RTU Slave |
| Communication Rate | Max 115 Kbps |
| Isolation | 1500 VAC |
| Connectors types | Removable screw terminals |
ANALOG INPUTS
| Channels | 4 |
| Analog Inputs | For 4 terminals (2,3,4-wire ohmeter) Pt100: -200 ÷ +650°C (f.s. 330 O); Pt500: -200 ÷ +750°C (f.s 1.800 O ); Pt1000: -200 ÷ +210°C (f.s. 1.800 O); Ni100: -60 ÷ +250°C (f.s. 330 O) |
| Precision | 0.05% |
| Resolution | 16 bit |
CERTIFICATIONS
| Referends Standard | EN 61000-6-4, EN 61000-6-2, EN 61010, EN 60742 |
| Approvals | CE |
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