Schneider Electric compact smart relay. compact smart relay, Zelio Logic SR2 SR3, 12 IO, 24V DC, clock, display, 4 transistor outputs.
compact smart relay, Zelio Logic SR2 SR3, 12 IO, 24V DC, clock, display, 4 transistor outputs. Genuine Schneider Electric product supplied by United Force.
Technical specifications
| Range of product | Zelio Logic |
|---|
| Product or component type | Compact smart relay |
|---|
| Local display | With |
|---|
| Number or control scheme lines | 0…240 with ladder programming · 0…500 with FBD programming |
|---|
| Cycle time | 6…90 ms |
|---|
| Backup time | 10 years at 25 °C |
|---|
| Clock drift | 12 min/year at 0…55 °C · 6 s/month at 25 °C |
|---|
| Checks | Program memory on each power up |
|---|
| [Us] rated supply voltage | 24 V DC |
|---|
| Supply voltage limits | 19.2…30 V |
|---|
| Maximum supply current | 100 mA (without extension) |
|---|
| Power dissipation in W | 3 W without extension |
|---|
| Reverse polarity protection | With |
|---|
| Discrete input number | 8 conforming to IEC 61131-2 Type 1 |
|---|
| Discrete input type | Resistive |
|---|
| Discrete input voltage | 24 V DC |
|---|
| Discrete input current | 4 mA |
|---|
| Counting frequency | 1 kHz for discrete input |
|---|
| Voltage state 1 guaranteed | >= 15 V for I1...IA and IH...IR discrete input circuit · >= 15 V for IB...IG used as discrete input circuit |
|---|
| Voltage state 0 guaranteed | <= 5 V for I1...IA and IH...IR discrete input circuit · <= 5 V for IB...IG used as discrete input circuit |
|---|
| Current state 1 guaranteed | >= 1.2 mA (IB...IG used as discrete input circuit) · >= 2.2 mA (I1...IA and IH...IR discrete input circuit) |
|---|
| Current state 0 guaranteed | <= 0.75 mA (I1...IA and IH...IR discrete input circuit) |
|---|
| Input compatibility | 3-wire proximity sensors PNP for discrete input |
|---|
| Analogue input number | 4 |
|---|
| Analogue input type | Common mode |
|---|
| Analogue input range | 0...24 V · 0...10 V |
|---|
| Temperature probe type | NTC 10k at 25 °C · NTC 1000k at 25 °C · KTY81 210/220/221/222/250 · Pt 500 |
|---|
| Maximum permissible voltage | 30 V for analogue input circuit |
|---|
| Analogue input resolution | 8 bits |
|---|
| LSB value | 39 mV for analogue input circuit |
|---|
| Conversion time | Smart relay cycle time for analogue input circuit |
|---|
| Conversion error | +/- 5 % at 25 °C for analogue input circuit · +/- 6.2 % at 55 °C for analogue input circuit |
|---|
| Repeat accuracy | +/- 2 % at 55 °C for analogue input circuit |
|---|
| Operating distance | 10 m between stations, with screened cable (sensor not isolated) for analogue input circuit |
|---|
| Input impedance | 12 kOhm for IB...IG used as analogue input circuit · 12 kOhm for IB...IG used as discrete input circuit · 7.4 kOhm for I1...IA and IH...IR discrete input circuit |
|---|
| Number of outputs | 4 transistor |
|---|
| Output voltage | 24 V transistor output |
|---|
| Output voltage limits | 19.2...30 V DC (transistor output) |
|---|
| Load current | 0.5…0.625 A transistor output |
|---|
| [Ures] residual voltage | 2 V at state 1 transistor output |
|---|
| Overload protection | With overload protection for transistor output |
|---|
| Short-circuit protection | With transistor output |
|---|
| Overvoltage protection | With overvoltage protection for transistor output |
|---|
| Clock | With |
|---|
| Response time | <= 1 ms (from state 0 to state 1) for transistor output · <= 1 ms (from state 1 to state 0) for transistor output |
|---|