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Summary of Contents for Setra Systems SRH300
- Page 1 Model SRH300 Operating Instructions Setra Systems, Inc. 159 Swanson Road, Boxborough, MA 01719 800.257.3872 • www.setra.com...
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Page 2: Table Of Contents
Contents 1.0 General information ..........................3 2.0 Caution ..............................3 3.0 Connection diagrams.........................3 4.0 LED indication............................4 5.0 Display ..............................5 6.0 Scope of supply...........................5 7.0 BACnet or Modbus setup .........................6 7.1 BACnet address using address switch ................6 7.2 BACnet address using software ....................7 7.3 Modbus address using software ..................9 7.4 Modbus address using address switch................11 7.5 Modbus setup .........................12... -
Page 3: General Information
• For accurate measurement, it is essential that the temperature of the sensing probe and the sensing head is same as the temperature of the air to measure. Avoid mounting the SRH300 transmitter in a way which creates temperature gradients along the probe. -
Page 4: Led Indication
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. -
Page 5: Display
Adapter (not included in the scope of supply). IMPORTANT: The SRH300 (4 to 20 mA) with display operates 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). -
Page 6: Bacnet Or Modbus Setup
For example: ID127=0111111 BACnet PICS for this unit are available for download at www.setra.com. This unit’s ID as well as many other properties are also read/writable from your BACnet console. SRH200 Default=2 Permitted=0...127 (BACnet) SRH300 Default=1 Permitted=0...127 (BACnet) -
Page 7: Bacnet Address Using Software
7.2 Setting BACnet address using the software Remove the units faceplate. You will see an address switch (pictured below). If you wish to set the address of the unit using Setra product configuration 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. - Page 8 Here you can set baud rate, data, parity, and stop bits. In the Bus address cell, you can enter the following ranges. SRH200 Default=2 Permitted=0...127 (BACnet) SRH300 Default=1 Permitted=0...127 (BACnet) Note: Regardless of whether you are setting the address in the software or by using the address switch the following settings are recommended.
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Page 9: Modbus Address Using Software
7.3 Setting Modbus address using the software Remove the units faceplate. You will see an address switch (pictured below). If you wish to set the address of the unit using Setra product configuration 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. - Page 10 Click on the communication settings found 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)
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Page 11: Modbus Address Using Address Switch
Before connecting the device to your network, set the address you wish to have on the switch following the above format and table below. SRH200 Default=245 Permitted=1...247 (Modbus) SRH300 Default=242 Permitted=1...247 (Modbus) -
Page 12: Modbus Setup
= minor release). The choice of measurement units (metric or not metric) must be done in the ordering guide, see SRH300 data sheet. For Modbus units, switching from non-metric to metric or vice versa by using the product configuration software is not possible. -
Page 13: Technical Data
8.0 Technical data General Power supply for 4-20 mA, 2-wire: 10 V + R x 20 mA < V+ < 30 VDC 0-5 V, 0-10 V, RS485: 15-35 VDC or 24 VAC ±20% Current consumption at 24 V DC supply max: 12 mA; w/display max: 23 mA Voltage output: AC supply max: 34 mA ;... -
Page 14: Setup And Adjustment
32 SRH300 units in one bus 9.0 Setup and adjustment The SRH300 transmitter is ready to use and does not require any configuration by the user. The factory setup of SRH300 corresponds to the type number ordered. For ordering guide please see data sheet at www.setra.com. -
Page 15: Maintenance
T calibration in the air. The calibration shall take into account the self-heating of SRH300 with closed enclosure, in its real mounting position and in continuous operation. The impact of the output current and of the probe orientation to the self-heating, as well as the cooling effect of the air circulation in the climate chamber used for calibration. -
Page 16: Accessories
Part configuration SETRAPCA1 Configuration adapter transmitter to adapter RS232 and USB Part configuration SETRAPCA3 Configuration cable for SRH200 digital adapter & SRH300 Calibration SRH300SCAL SRH300 (ISO) Calibration SRH300NCAL SRH300 (NIST) Probe & cable assembly SRH300HTMFPE Remote probe extension cable - 1.5... -
Page 17: Returning Products For Repair
If a return is required please call 1-800-257-3872 or email orders@setra.com to obtain an RMA number before sending unit(s) back to us. Once an RMA number has been assigned to you, please send the package back to the below address. Setra Systems, Inc. 159 Swanson Road Boxborough, MA 01719-1304 Attn: RMA # To download return form, please visit Setra’s service page. -
Page 18: Limited Warranty And Limited Repair
No representative or person is authorized to give any warranty other than as set out above or to assume for SETRA any other liability in connection with the sale of its products. For all CE technical questions, contact Setra Systems, USA. EU customers may contact our EU representative Hengstler GmbH, Uhlandstr 49, 78554 Aldingen, Germany... - Page 19 Setra Systems, Inc. 159 Swanson Road, Boxborough, MA 01719 800.257.3872 • www.setra.com...
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