Model SRH300
Operating Instructions
Setra Systems, Inc.
159 Swanson Road, Boxborough, MA 01719
800.257.3872 • www.setra.com
Page 1: ...Model SRH300 Operating Instructions Setra Systems Inc 159 Swanson Road Boxborough MA 01719 800 257 3872 www setra com ...
Page 2: ...7 3 Modbus address using software 9 7 4 Modbus address using address switch 11 7 5 Modbus setup 12 8 0 Technical data 13 9 0 Setup and adjustment 14 10 0 Maintenance 15 10 1 Humidity calibration and adjustment 15 10 2 Temperature calibration and adjustment 15 10 3 When employed in dusty polluted environment 15 11 0 Accessories 16 12 0 Returning products for repair 17 12 1 Calibrated services 17 13...
Page 3: ...ess The transmitter must be operated with the filter cap on at all times DO NOT touch the sensors inside the sensing head SRH300 Analog milliamps 20 30 V DC RL 500 Ohm 11 30 V DC RL 50 Ohm Output 4 20 mA Output Modbus RTU or BACnet MS TP 15 35 V DC 24 V AC 20 OUT1 OUT2 Output 0 5 V 0 10 V 0 20 mA 15 35 V DC 24 V AC 20 V mA V mA OUT1 OUT2 SRH300 Analog volts Only for remote probe Important The SRH3...
Page 4: ...0 accessory sheet The replacement probe shall be installed as described above IMPORTANT Make sure that the cable fittings are closed tightly for both SRP300 probe cable and for the power supply and outputs cable This is necessary for assuring the protection class IP class of the enclosure according to SRH300 specification as well as for stress relief at the screw terminals on the SRH300 board SRP3...
Page 5: ...perates correctly only if both outputs RH and T are connected If you choose not to send output signals to a remote monitoring location the two output connections must be joined using a jumper wire not included 4 20 mA units with no display do not require a jumper and do not require both outputs to be connected Voltage output units also do not require both outputs to be connected Model SRH300 Wall ...
Page 6: ...efault 2 Permitted 0 127 BACnet SRH300 Default 1 Permitted 0 127 BACnet Before connecting the device to your network set the address you wish to have on the switch following the above format and table below Note You will see from the table there are 8 positions For this device the 8th position or 8th bit is ignored For example ID127 0111111 BACnet PICS for this unit are available for download at w...
Page 7: ...nfiguration software verify all these switches are set to 0 Prior to adding unit to your network power up the unit according to connection diagram on page 3 Now connect the Setra PCA adapter to the unit and to your laptop Start the Setra product configuration software The software should automatically identify your unit after a few seconds and begin graphing and displaying sensor data ...
Page 8: ...data parity and stop bits In the Bus address cell you can enter the following ranges Note Regardless of whether you are setting the address in the software or by using the address switch the following settings are recommended 38400 8 NONE 1 SRH200 Default 2 Permitted 0 127 BACnet SRH300 Default 1 Permitted 0 127 BACnet ...
Page 9: ...nfiguration software verify all these switches are set to 0 Prior to adding unit to your network power up the unit according to connection diagram on page 3 Now connect the Setra PCA adapter to the unit and to your laptop Start the Setra product configuration software The software should automatically identify your unit after a few seconds and begin graphing and displaying sensor data ...
Page 10: ...d on left menu The screen below will be displayed Here you can set baud rate data parity and stop bits In the Bus address cell you can enter the following ranges SRH200 Default 245 Permitted 0 247 Modbus SRH300 Default 242 Permitted 0 247 Modbus ...
Page 11: ...t the address of the unit using this switch you must first identify and make note of an available address found on your network SRH200 Default 245 Permitted 1 247 Modbus SRH300 Default 242 Permitted 1 247 Modbus Before connecting the device to your network set the address you wish to have on the switch following the above format and table below ...
Page 12: ...duct configuration software available on www setra com FLOAT read register Register address Comm address Parameter name 30026 0x19 Temperature C F 30028 0x1B Relative humidity 30030 0x1D water vapour partial pressure mbar psi 30032 0x1F dew point temperature C F 30036 0x23 absolute humidity g m g ft 30038 0x25 mixing ratio g kg gr lb 30040 0x27 specific enthalpy kJ kg BTU lb 30042 0x29 frost point...
Page 13: ...HB approved Protection class IP65 NEMA 4 Cable fitting PG9 M16 x 1 5 Probe cable type C PVC Ø 4 3mm 4 x 0 25 mm2 Length 1 5 or 3 m 4 9 or 9 8 ft Electromagnetic compatibility EN61326 1 EN61326 2 3 Industrial Environment Temperature ranges Operating 40 to 60 C 40 to 140 F Storage 40 to 60 C 40 to 140 F Temperature ranges w display Operating 20 to 50 C 4 to 122 F Storage 20 to 60 C 4 to 140 F 8 0 Te...
Page 14: ...o the type number ordered For ordering guide please see data sheet at www setra com If needed the user can change the factory setup by using the optional Setra Configuration Adapter and the Setra Product Configuration Software One can assign other physical quantities to the analogue outputs change the scaling of the outputs and perform one or two point adjustment for humidity and temperature The S...
Page 15: ...Due to the outstanding protection of the temperature sensing element integrated in the Setra sensor a drift of the T measurement is rather unlikely If adjustment seems necessary although the user can perform a one or two point T adjustment with PCA and PCS against a reference of choice it is highly recommended to return the device to the manufacturer for this The reasons rest on the difficulty of ...
Page 16: ... Plastic mounting flange 12mm black Flanges SRHPMFG Plastic mounting flange 12mm grey RAL7035 Part configuration adapter SETRAPCA1 Configuration adapter transmitter to RS232 and USB Part configuration adapter SETRAPCA3 Configuration cable for SRH200 digital SRH300 Calibration SRH300SCAL SRH300 ISO Calibration SRH300NCAL SRH300 NIST Probe cable assembly for SRH300 SRH300HTMFPE Remote probe extensio...
Page 17: ...ease make sure the RMA number is on the outside of the box and a copy of the service request from is included in the shipment If applicable include a copy of the PO for return in the shipment NOTES Please remove any pressure fittings and plumbing that you have installed and enclose any required mating electrical connectors and wiring diagrams Allow approximately 3 weeks after receipt at Setra for ...
Page 18: ...SETRA transportation prepaid Unless otherwise specified in a manual or warranty card or agreed to in writing and signed by a SETRA officer SETRA pressure humidity and acceleration products shall be warranted for one year from date of sale The foregoing warranty is in lieu of all warranties express implied or statutory including but not limited to any implied warranty of merchantability for a parti...
Page 19: ...Setra Systems Inc 159 Swanson Road Boxborough MA 01719 800 257 3872 www setra com SS SRH300 Rev B 10 2018 ...
