The CZ8664 series HART multiplexer utilizes the HART standard communication protocol to establish a simple and reliable digital signal communication link between field instruments and the AMS (Asset management system). It can serve as a gateway for connecting field intelligent transmitters and the upper-level asset management platform. The product supports field intelligent devices that use HART protocol versions 5-7 and enables device cascading through RS485 bus communication, allowing for the connection of up to 7,936 field devices with HART signal output.
64 Channels
Support HART 5-7 version of field intelligent devices
Both the master and slave devices adopt 64-channel integrated design
Through RS485 bus network topology, the number of on-site intelligent devices can be expanded to 7936
Support FDT/DTM
| Technical information |
|
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| CZ8664.HM | CZ8664.HS | |
| Power Supply | ||
| Voltage supply | 19~35VDC | |
| Current consumption (@24V voltage supply) | ≤90mA | ≤20mA |
| Power protection | Reverse power protection | |
| Redundant power supply | 2-way, 24VDC | |
| Input | ||
| Number of channel | 4×16 Channels | 4×16 Channels |
| Input signal | HART | HART |
| HART protocol version | HART5-7 | HART5-7 |
| Allowable loop resistance | 230Ω~600Ω | 230Ω~600Ω |
| Cable connection to base plate | CZHR20-X/CZHM20-X | CZHR20-X/CZHM20-X |
| Output | ||
| Number of serial slave device | ≤3pcs | |
| Communication signal | RS485 | |
| Number of parallel master devices | ≤31pcs | |
| Main device channel | 0~31 | |
| RS485 baud rate | 9.6k/19.2k/38.4k bps（adaptive) | |
| Alarm signal | Transistor OC | |
| Max. allowable voltage | 35VDC | |
| Max. allowable current | 5mA | |
| Max. allowable power | 100mW | |
| Indicator | Power supply, Communication, Fault | Power supply，Communication |
| Parameter | ||
| Dielectric strength（supply，input，output） | 1500VAC | 1500VAC |
| Electromagnetic compatibility | IEC61000-6-2; IEC61000-6-4; IEC61326-1 | IEC61000-6-2; IEC61000-6-4; IEC61326-1 |
| Continuos operating temperature | -40~70℃ | -40~70℃ |
| Storage temperature | -40~85℃ | -40~85℃ |
| Relative humidity | 5%~95%R.H.，non-condensing | 5%~95%R.H.，non-condensing |
| Protection level | IP20 | IP20 |
| Certification | ||
| CE | EMC directive 2014/30/EU | EMC directive 2014/30/EU |
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