Fujitsu AIRSTAGE J-IIIL Design & Technical Manual page 473

¢ Simple procedure for register data to Modbus convertor for VRF
Important
Modbus convertor for VRF will not operate, if VRF network system address (outdoor and indoor
units address) allocation information are not registered to Modbus convertor for VRF.
Address initial settings are 3 methods as follows:
 Default addresses of indoor unit and outdoor unit are used (Initial
setting is not necessary)
Default address value ([Ref No.—Node No.])
Indoor unit:
Outdoor unit:
 Scan of connected indoor units address
Scan procedure is as follows:
1. Turn on the switch of scan setting.
2. "Scan display" by LED (Address is registering inside the convertor).
3. "Number of connected indoor unit display" by LED (Scan is complete).
4. Turn off the switch of scan setting.
5. "Address update display" by LED
6. Turn on the main power again.
7. "Address rewriting display" by LED (Address are synchronized among boards).
If scan error is generated, perform the scan again.
 Setting from PC
NOTE: For detailed information, refer to the application manual included inside packaged DVD.
1. Install tool for convertor (software) in PC.
Tool for convertor is the accessory item of this product.
2. Connect the PC and this product.
Connection will be done by the connector cable provided as an accessory item of this product.
3. Set this product to USB mode.
4. Initial setting of indoor unit and outdoor unit addresses by using the tool for convertor.
5. Register the initial setting data to this product. Click "Register" dialog.
In this stage, this product is ready for binding and commissioning.
3-4. Modbus convertor for VRF (UTY-VMGX)
[00—00] [00—01] ••• [00—63]
[01—00] [01—01] ••• [01—63]
[00—00] [00—01] ••• [00—03]
[01—00] [01—01] ••• [01—03]
- (05-135) -
3. Adaptor/Convertor units