EL51xx series overview
| Technical data | EL5102 2 x A, B, C | EL5112 | EL5122 2 x A, B | EL5131 1 x A, B, C | ||
|---|---|---|---|---|---|---|
| 1 x A, B, C | 2 x A, B | |||||
| Number of channels | 2 | 1 | 2 | 2 | 1 | |
| Encoder type, incremental | Differential RS422 | Yes | Yes | Yes | No | Yes | 
| Single-ended TTL | Yes | Yes | Yes | Yes | Yes | |
| OpenCollector | Yes | Yes | Yes | Yes | Yes | |
| Counter / pulse generator | Yes | Yes | Yes | Yes | Yes | |
| Number of digital inputs per channel | 2 | 2 | 1 | 1 | 2 | |
| Number of digital outputs per channel | No | No | No | No | 2 | |
| Encoder operating voltage 5 VDC, 12 VDC, 24 VDC switchable | Yes | Yes | Yes | Yes | Yes | |
| Encoder output current per channel | 0.3 A | 0.3 A | Sum  | Sum  | 0.3 A | |
| Cut-off frequency | 20 million increments/s, corresponds to 5 MHz | 20 million increments/s, corresponds to 5 MHz | 20 million increments/s, corresponds to 5 MHz | 4 million increments/s, corresponds to 1 MHz | 20 million increments/s, corresponds to 5 MHz | |
| Functions | EL5102 2 x A, B, C | EL5112 | EL5122 2 x A, B | EL5131 1 x A, B, C | ||
|---|---|---|---|---|---|---|
| 1 x A, B, C | 2 x A, B | |||||
| Reset counter value via | Zero pulse C | Yes | Yes | No | No | Yes | 
| Latch input | Yes | Yes | Yes | Yes | Yes | |
| Set counter value via | PLC variable | Yes | Yes | Yes | Yes | Yes | 
| Zero pulse C | Yes | Yes | No | No | Yes | |
| Latch input | Yes | Yes | Yes | No | Yes | |
| Gate/Latch input | No | No | Yes | Yes | No | |
| Save counter value via | Zero pulse C | Yes | Yes | No | No | Yes | 
| Latch input | Yes | Yes | Yes | No | Yes | |
| Gate/Latch input | Yes | Yes | No | Yes | Yes | |
| Lock counter value via | PLC variable | Yes | Yes | Yes | Yes | Yes | 
| Gate/Latch input | Yes | Yes | Yes | Yes | Yes | |
| Switching at comparison values | No | No | No | No | Yes | |
| Detect counting direction | Yes | Yes | No | No | Yes | |
| Detect reversion of rotation | Yes | Yes | No | No | Yes | |
| Frequency measurement | Yes | Yes | Yes | Yes | Yes | |
| Period value measurement | Yes | Yes | Yes | Yes | Yes | |
| Velocity, speed calculation | Yes | Yes | Yes | Yes | Yes | |
| Duty cycle evaluation | Yes | Yes | No | No | Yes | |
| Microincrements | Yes | Yes | No | No | Yes | |
| Timestamp function | Yes | Yes | No | No | Yes | |
| Adjustable interference pulse filters | Yes | Yes | Yes | Yes | Yes | |
| Plausibility check | Yes | Yes | Yes | Yes | Yes | |