R9120rev A ModHopper quick start guide.
Contents
1. R9120 ModHopper quick start guide Step 1 Modbus Address Every Modbus device in the system or must have a unique address This wow 1 ED includes each Modhopper and every t gt EO attached RS485 Modbus device Select an address and set the a 4 LE dipswitches to match 8 E The sum of the value of the switches is 16 the address In the example to the right 32 CE address 52 is set by placing switch 4 16 and 32 to the on position 64 W 128 W Note 4 16 32 52 Step 3 Pulse Hookup Attach any dry contact pulse output meters to the pulse input terminals as shown in the wiring diagram The ModHopper can support 2 pulse devices The ModHopper can be attached to many types of pulse output meter Power water gas etc For KYZ type power meters use the normally open contacts usually labeled K and 2 Step 4 RS485 Modbus Hookup Attach any Modbus slave or master devices to the 485 terminals as shown in the wiring diagram Up to 32 Modbus devices may be attached to each ModHopper Note when attaching Modbus devices it is not necessary to specify if the device is a master AcquiSuite PLC etc or a slave device power meter sensor etc The ModHopper will automatically detect the master and handle it appropriately Step 5 Attach the Antenna Attach the Antenna to the side of the ModHopper The antenna should be finger tight and be placed in a vertical position Step 6 Pow2. er up the ModHopper Attach the power brick to the power jack on the ModHopper The device should power up and be ready in a few seconds The LEDs should blink in the following manner The Alive LED should start to blink about once per second The Alarm LED will blink when transmission errors occur The RF TX RX LEDs will blink when the radio is receiving or transmitting data The RS485 LEDs will blink for local Modbus activity The Pulse input LEDs will light when the corresponding pulse input terminals are closed When the ModHopper is operating the Test Button can be used to report the signal strength received by Step 2 System Switches For most systems set all of ori Je pete even to the Channel 1 EL Channel 2 W The only switch that is Ch 14 E required is the RS485 baud annel rate option Set this to of Prog Enable W for 19200 or to the on position for 9600 The Prog RST En W example to the right is a 485 232 W default configuration for 9600 baud on the RS485 19200 9600 E connection Reserved W Dogo T 3G9OR08 Per anOLoOn oe 6 i Dry amp Contacts 2 H Alarm amp RF RX o RF TX amp 485 RX o 485 TX Alive Pulse 1 Pulse 2 the ModHopper from another unit Press and hold down the test button The status LEDs will light up as a bar graph display Each LED is approximately 10 of scale For example if PULSE 1 and 2 are on the received strength is ap
3. proximately 20 to 29 For useful signal reporting it is important to turn off all but one other ModHopper For complete instructions and Modbus register listings please consult the ModHopper user manual Onis 3300 NW 211 Terrace Hillsboro OR 97124 Ph 1 503 601 2099 Draft Revised Jun 21 2010
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