Prior to installation, read these installation 3. Applications and operating instructions. Installation and operation must comply with local The CIU 850 is a gateway for connecting a Modbus regulations and accepted codes of good RTU/TCP network to Grundfos Remote practice.
RJ45 Ethernet port 2 DATA2 Status LED of Ethernet port 2 LED8 9-pin RS-485 serial port DATA3 Status LED 1 of CIU 850 LED1 Status LED 2 of CIU 850 LED2 Status LED 3 of CIU 850 LED3 Status LED 4 of CIU 850...
Connect the serial cable (RS 485) to the PLC (LED5 or LED7) is on or flashing. CPU. If a radio Modbus network exists, use the 9- 4. Contact Grundfos for activation of your GRM pin to 15-pin serial adapter to connect the serial account.
GRM server and kept Ethernet port 2 up-to-date. The CIU 850 software is stored on the microSD card 6.3 PLC CPU status LEDs in slot 1. The PLC CPU has status LEDs on the front. See fig.
Fault (LED status) Possible cause Remedy LED "PWR" is on The microSD card is not Turn off the CIU 850, press on the microSD and LED "HDD1" is inserted correctly in slot 1. card and remove it from the slot. Re-insert off.
9. Parts list Quantity Description Product number Complete CIU 850 box 98502708 MicroSD card (pre-installed in slot 1 of the PLC CPU) 98516861 PLC CPU PLC CPU extension module Power supply unit, 24 VDC, 4 A Red wire Black wire...
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Appendix RS-422/RS485 connection (CX9020-N031) The CX9020-N030 system interface provides an RS 485 interface, COM1. It is implemented on a 9-pole Sub-D socket strip. To connect to ELSA deceives using RJ11 connectors, use the connection setup illustrated below: CX9020 X0 00 07 08 X000 X100...
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Declaration of conformity EU declaration of conformity We, Grundfos, declare under our sole responsibility that the product CIU850 to which the declaration below relates, are in conformity with these Council directives on the approximation of the laws of the EU member states: –...
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Argentina China Hong Kong Bombas GRUNDFOS de Argentina S.A. GRUNDFOS Pumps (Shanghai) Co. Ltd. GRUNDFOS Pumps (Hong Kong) Ltd. Ruta Panamericana km. 37.500 Centro 10F The Hub, No. 33 Suhong Road Unit 1, Ground floor Industrial Garin Minhang District Siu Wai Industrial Centre 1619 Garín Pcia.
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Malaysia Serbia Turkey GRUNDFOS Pumps Sdn. Bhd. Grundfos Srbija d.o.o. GRUNDFOS POMPA San. ve Tic. Ltd. 7 Jalan Peguam U1/25 Omladinskih brigada 90b Sti. Glenmarie Industrial Park 11070 Novi Beograd Gebze Organize Sanayi Bölgesi 40150 Shah Alam Phone: +381 11 2258 740...