HJ3204 Hardware Manual Version V1.6
Hardware parameters
Specification
| Processor | 32-bit low-power processor |
| Frequency | 580Mhz |
| Network | 1 port 10M/100M |
| RS485 | 1 channel |
| input power | DC 9~28V |
| Power consumption | 5W |
| Operating temperature | -20~80°C |
| Storage temperature | -30 ~85°C |
| Working humidity | 5 – 95%RH |
| Certification | FCC/CE |
Network parameters
| Interface speed | 10/100M Auto |
| Electrical isolation | 2KV |
| Network Protocol | IP/TCP/UDP/DHCP/DHCPD/DNS/HTTP/SNMP |
| Maximum number of connections | 4096 |
RS485 Parameters
| Number of ports | 1 |
| Baud rate | 300~230400BPS |
| Data bits | 5/6/7/8 Bits |
| Stop bit | 1/2 Bits |
| Check | None/Odd/Event |
| Buffer | 4MBytes |
| Interface | Terminal(A,B) |
Digital input
| Number of channels | 16 |
| Input type | Optical isolation PNP/NPN |
| Rated voltage | 24V |
| Access method | Single line |
| Response time | 1 ms |
| Protect | Overcurrent and overvoltage |
Digital output
| Number of channels | 14 |
| Output type | Relay |
| Rated voltage | 30VDC/250VAC |
| Output current | 3A |
| Response time | 1 ms |
| Protect | Overcurrent and overvoltage |
Analog input/output
HJ3204(4-channel analog input)
| Number of channels | 4 |
| Input type | 0~20mA/0~5V/0~10V(Optional) |
| Precision | 0.1% |
| Sampling time | 1 ms |
| Input resistance | 50R(current)/1M ohm(voltage) |
| Protect | Overcurrent |
HJ3204B(2-channel analog input, 2-channel PT100/PT1000 input)
| Number of analog channels | 2 |
| Input type | 0~20mA/0~5V/0~10V(Optional) |
| Precision | 0.1% |
| Sampling time | 1 ms |
| Input resistance | 50R(current)/1M ohm(voltage) |
| Protect | Overcurrent |
| Number of temperature channels | 2 |
| Input type | PT100/PT1000 |
| Precision | 0.1% |
| Sampling time | 1 ms |
| Protect | Overcurrent Protection |
HJ3204C (4-channel analog output)
| Number of channels | 4 |
| Output type | 0~20mA/0~5V/0~10V(Optional) |
| Precision | 0.1% |
| Sampling time | 1 ms |
| Input resistance | 50R(current)/1M ohm(voltage) |
| Protect | Overcurrent |
HJ3204D (2-channel analog input, 2-channel analog output)
| Number of analog channels | 2 |
| Input type | 0~20mA/0~5V/0~10V(Optional) |
| Precision | 0.1% |
| Sampling time | 1 ms |
| Input resistance | 50R(current)/1M ohm(voltage) |
| Protect | Overcurrent |
| Number of temperature channels | 2 |
| Input type | 0~20mA/0~5V/0~10V(Optional) |
| Precision | 0.1% |
| Sampling time | 1 ms |
| Output impedance | 50R(current)/100R(voltage) |
| Protect | Overcurrent Protection |
Terminal wiring diagram
HJ3204A
HJ3204B
HJ3204C
HJ3204D
Analog and digital wiring method
Analog 0-5V or 0-10V input wiring
Analog 4-20mA current input wiring
Two-wire wiring
Three-wire wiring
Analog 4-20mA current output wiring
Two-wire wiring
Three-wire wiring
Analog 0-5V or 0-10V output wiring
Temperature Input PT100/PT1000 Wiring
Digital input wiring method
PNP wiring mode
NPN wiring method
Digital output (relay) wiring method
NPN output wiring
PNP output wiring
