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--- wiki:20_rdc_charger:15_hardware:23_wr-1 [2023/03/31 10:07] – removed - external edit (Unknown date) 127.0.0.1
+++ wiki:20_rdc_charger:15_hardware:23_wr-1 [2023/05/26 13:04] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
+====== Wireless Modbus Relay ======
+**Wireless Modbus Relay**
+<WRAP column 350px>
+{{ wiki:20_rdc_charger:03_hardware:wr-1_base.png?nolink&0x500  }}
+</WRAP>
+<WRAP column 300px>
+| Model number: ^ WR-1       |
+| Frequency:    | ISM 868MHz (EU) |
+| Dimensions:   | 93x45x27 mm     |
+===== Applications =====
+  * Remote controlled relay. Act as modbus RTU slave. Optimal for long range, no hopping.
+</WRAP>
+<WRAP clear></WRAP>
+===== Installation and mounting =====
+  * :!: Carefully open WR-1 module and configure address with jumpers. (Default address is 200)
+  * :!: Place WR-1 module at least 10cm from other objects. Installation is not recommended inside metal cabinets.
+  * Connect relay terminals
+  * Connect to 230V power supply
+  * Configure radio pairing
+{{ wiki:20_rdc_charger:03_hardware:wr-1_wiring.png?nolink&0x500  }}
+{{ wiki:20_rdc_charger:03_hardware:wr-1_dimension.png?nolink&0x500  }}
+<WRAP pagebreak></WRAP>
+===== Features =====
+  * remote controlled relay
+  * act as modbus RTU slave
+  * very long range, no hopping
+  * up to 8 relays per network
+  * protected private connection
+  * multiple addressable groups
+===== Technical specification =====
+| Power supply:          |                       230V, 50/60Hz, 1W |
+| Ingress protection:    |                                    IP20 |
+| Operating temperature: |                               -20..50°C |
+| Storage temperature:   |                               -40..85°C |
+| Relative humidity:     |                              0..85% n/c |
+ Modbus
+| Address range:         |                       200..207 |
+| Relay mapping          |      coil 1(start address 00h) |
+| Data bits & parity     |      8n1 |
+| Supported functions    |      01 - read coil \\ 05 - write single coil \\ 15 - write multiple coils |
+ Relay output
+| Nominal rating         |                       10A 250Vac (NO), 3A 250Vac (NC) |
+| (resistive)          |      5A 30Vdc (NO), 3A 30Vdc (NC) |
+Radio
+|Frequency band          |               ISM 868MHz (EU) |
+|Subband                 |  L 866.8MHz, 25mW, 1% utility |
+|Modulation              |  fSK 38.4kbps 80kHz bandwidth |
+|Listen before talk      |    yes, delay limited to 20ms |
+|Group address           |  32-bit, automatically generated |
+|Connection time         |  10s power-on to network ready |
+|Message delay           |  5ms from tx start to relay on |
+|Output power            |                           25mW |
+|Operating range         |  3..300m with optical visibility|
+===== Modbus address setting =====
+Change is applied right away, no reset needed.
+{{ wiki:20_rdc_charger:03_hardware:wr-1_address_settings.png?nolink&0x500  }}
+===== Radio pairing configuration =====
+==== Create new secure group ====
+  * turn on all devices as the same time
+  * within 10 seconds, while RF LED is blinking, press and hold button on one of the devices
+  * after a second, the new address is randomly generated and sent to all devices. RF LED will blink 3 times to confirm the new address.
+{{ wiki:20_rdc_charger:03_hardware:wm1_configuration_1.png?nolink&0x500  }}
+==== Add new device to the group ====
+  * turn on the device
+  * within 10 seconds, press and hold button on one of the existing devices
+  * after a second, the existing group address is sent to the new device. RF LED will blink 3 times to confirm the address is sent.
+{{ wiki:20_rdc_charger:03_hardware:wm1_configuration_2.png?nolink&0x500  }}
+==== Examples ====
+{{ wiki:20_rdc_charger:03_hardware:wr-1_examples.png?nolink&0x300  }}
+===== Connection check =====
+  * press the button shortly \\
+With each press of the button, the relay will
+switch on/off. Other devices are not affected.
+{{ wiki:20_rdc_charger:03_hardware:wr-1_relay_button.png?nolink&0x150  }}
+===== Factory reset =====
+  * Hold button and turn the device ON
+  * RF led will blink twice. Group address is now reset to default.
+  * Other devices will not be affected.
+{{ wiki:20_rdc_charger:03_hardware:wm1_factoryreset.png?nolink&0x200  }}