Table of Contents
Technical parameters
Patron
The following article contains technical details of communication interfaces on Patron units, as well as the unit's storage, installation and working conditions.
Connector and button description
| Terminal marking | Meaning |
|---|---|
| +24V | Power terminal - positive pole |
| GND | Power terminal - negative pole |
| DI | Digital input |
| DIGND | Digital input common terminal – negative pole |
| DO | Digital output |
| DOGND | Digital output common terminal – negative pole |
| RO | Relay output |
| COM | Digital output common terminal – negative pole |
| AI | Analog input |
| AIS | Power supply of the relevant AI |
| AOR | Analog output (voltage or current ) / resistance measurement |
| AOV | Analog output (voltage only) |
| AGND | Analog input/output common terminal - negative pole |
| RS485-A/RS485-B | RS-485 communication line terminals |
| RS485-END | Connectable terminating resistor of RS-485 communication line |
| RS232-TXD/RXD | RS-232 communication line terminals |
| ETH | Ethernet port |
| USB | USB A 2.0 port |
| microSIM | micro sim slot |
| Antenna | LTE antenna interface |
| SERVICE | Service button |
Storage, installation and working conditions
| Working temperature | 0 °C .. +55 °C |
| Rated voltage - SELV | 24 V⎓ (±5%) |
| Power consumption | Max. 12 W - 22 W depending on model |
| Reverse polarity protection | Yes |
| Storage conditions | Temperature: -25 °C .. +70 °C Humidity: 10 % .. 95 %, w/o aggressive substances, condensing vapours or fog |
| Electric strength | according to EN 60950 |
| Ingress protection (IEC 529) | IP20 |
| Working position | Vertical |
| Installation | To a 35 mm DIN rail in an electrical distribution box |
| Connection | Pluggable screw terminals |
| Wire gauge | Max. 1.5 mm2 for 1-Wire Max. 2.5 mm2 for other terminals |
| Terminal spacing | 3.5 mm for 1-Wire 5.08 mm for other terminals |
| Terminal tightening torque | Max. 0.4 Nm |
Inputs/Outpus technical parameters
Digital inputs
| Input type | SINK |
| Input terminal | DI |
| Common ground | DIGND |
| Log. 0 | < 3 V DC |
| Log. 1 | > 7 V DC |
| Maximum voltage | 35 V DC |
| Non-defined state | 3-7 V DC |
| Input resistance for TRUE | 6 200 Ω |
| Voltage drop on DI diode | 1.2 V |
| Minimum pulse length | 20 μs |
| 0–>1 / 1–>0 delay | Typ. 20 μs / 60 μs |
| Maximum CNT counter input frequency | 10 kHz |
| LED indication | Yes |
| Galvanic isolation | Yes (Basic, between DI groups) |
| Insulation voltage (pulse) | 1500 V |
Digital outputs
| Output type | SINK (NPN - open collector) |
| Output terminals | DO |
| Common ground | DOGND |
| Switching voltage | 5–50 V DC |
| Switching current continuous/pulse | 750 mA / 1 A |
| Max. total group* load | 1 A |
| Inductive load handling | Integrated FBD diode (optional) |
| Switching period (open/close) | Typ. 130 ns / 20 ns |
| Maximum PWM resolution | 16 bits |
| Maximum PWM frequency | 200 kHz |
| Galvanic isolation | No |
| Overcurrent protection | No |
Relay outputs
Please note: The data below represent a selection of the most important parameters and serve only as a quick reference.
Detailed information can be found in the product datasheet provided by the relay manufacturer: FTR-F3AA024E-HA
| Output type | Electromechanic non-shielded relay |
| Output terminal | RO |
| Common terminal | COM |
| Contact type | Normally open (SPST-NO) |
| Used relay type | FTR-F3AA024E-HA |
| Maximum switching voltage | 250 V AC 30 V DC |
| Maximum switching current | 5 A |
| Maximum common terminal current | 10 A |
| Short-term current overload | 5 A |
| Mechanical lifespan | 5 000 000 |
| Electrical lifespan | Up to 100 000 (according to the connected load) |
| Operate/release time | 10 ms |
| Designed for load character | AC-15, DC-13 (resistive) |
| Load handling | External (RC, varistor, diode, thermistor) |
| Short circuit protection | No |
| Overvoltage protection | No |
| LED indication | Yes |
| Galvanic isolation | Yes (Basic) |
| Insulation voltage (pulse) | 2500 V between RO and RO 4000 V between RO and all other circuits |
Analog inputs
| Section 1 (AI1) | Sections 2,3 + some units (eg. S5xx) | Section 2 (M537) | |
|---|---|---|---|
| Input terminals | AI | AI, AIS | AI |
| Common ground | AGND | AGND | AGND |
| Input modes | 0–10 V⎓ voltage meas. 0–20 mA current meas. | 0–10 V⎓ voltage meas. 0–2.5 V⎓ voltage meas. 0–20 mA current meas. 0–1960 Ω resistance meas. 0–100 kΩ resistance meas. | 0–10 V⎓ voltage meas. 0–2 V⎓ voltage meas. 4–20 mA current meas. 2 kΩ (75–2000 Ω) resistance meas. 20 kΩ (1–20 kΩ) resistance meas. |
| Maximum input voltage | 12 V DC | 15 V DC | 15 V DC |
| Input resistance (voltage meas.) | 66 kΩ | 44 kΩ | 12 kΩ ±20 % (0–10 V) 1 MΩ ±50 % (0–2 V) |
| Input resistance (current meas.) | 100 Ω | 100 Ω | 100 Ω ±1 % |
| Accuracy | ±0.5 % | ±0.2 % | ±0.2 % (0–10 V, 4–20 mA) ±1 % (0–2 V) ±0.3 % / 0.5 Ω (2 kΩ) ±1 % / 10 Ω (20 kΩ) |
| Resolution | 12 bits | 16 bits (voltage and current meas.) 24 bits (resistance meas.) | 24 bits |
| Conversion time | 10 μs | 60 μs (voltage and current meas.) 400 ms (resistance meas.) | 200 ms |
| Protection type | Integrated overvoltage | Integrated overvoltage | Integrated transil |
| Galvanic isolation | No | Yes (from other sections*) | Yes, 1500 V (pulse)(between AI and from other sections*) |
Analog outputs
| Section 1 | Sections 2,3 + some units (eg. S5xx) | |
|---|---|---|
| Output terminals | AOR | AOV |
| Common conductor | AGND | AGND |
| Output functions | 0–10 V DC voltage source 0–20 mA current source 0–1960 Ω resistance meas. | 0–10 V DC voltage source |
| Output voltage range | 0-10 V DC | 0-10 V DC |
| Output current range | 0-20 mA | — |
| Maximum output current | 20 mA | 20 mA |
| Output accuracy | ±0.5 % | ±0.5 % |
| Resolution | 12 bits | 12 bits |
| Conversion | 1 ms | 300 μs |
| Protection type | Integrated overvoltage | Integrated overvoltage |
| Galvanic isolation | No | Yes (from other sections*) |
Interface technical parameters
RS485 interface
| Terminals | RS485-A, RS485-B |
| Galvanic isolation | Yes (basic) |
| Isolation voltage | 1000 V |
| ESD protection | ±15 kV |
| Communication speeds | 2400 bps 4800 bps 9600 bps 19200 bps 38400 bps 57600 bps 115200 bps |
| Input impedance | 12 kΩ |
| Input voltage hysteresis | 70 mV |
| Output characteristic | ±2.5 V |
| Terminating resistor | Built-in attachable 120 Ω (RS485-END) |
| RS485 pull-up / pull-down resistors | 560 Ω / 560 Ω |
RS232 interface
| Terminals | RXD, TXD, GND |
| Galvanic isolation | No |
| ESD protection | ±15 kV |
| Communication speeds | 2400 bps 4800 bps 9600 bps 19200 bps 38400 bps 57600 bps 115200 bps |
| Input impedance | 5 kΩ |
| Input voltage hysteresis | 0,5 V |
| Output characteristic | ±7,8 V |
Other I/O ports and interfaces
| Ethernet port ETH | 10/100 Mbit/s |
| USB port | 2x USB 2.0 (for service) |