smart DIN rail lightening-protection Isolation or isolators
SPD function
input signal range:4~20mA, 0~20mA, 1~5V, 0~5V, 0~10V
R7C series analogue lightening protection isolators are used in industrial automation system, which transform analog signal outputted from four-wire system instrument in industrial field into DCS/PLC by isolation. It realized the matching of signal types, signal amplification, isolation and anti- interference, etc. between industrial on-site instruments and DCS/PLC. Products of this series characteristically have SPD function, which can efficiently absorb and release the surge energy produced by (external) input induction lightening. Moreover, the three ends (input, output, power) of this series are completely isolated. It contains a variety of combination forms like one-input & one-output, one-input & two-output, two-input & two-output, etc. Width of the shell is only 12mm, which satisfies the high-density requirements of on-site installation.
General Specifications | |||
Construction | Ultra-thin terminal connections | Protection grade | IP20 |
Connect | Phoenix terminals with M3 screw | Mounting | EN60715 standard symmetrical 35mmDIN guide. |
Wire diameter | 0.2-2.5mm2 | Dimensions | W12 x H95 x D110 mm |
Tightening | 0.5-0.6Nm | Weight | About 100g |
Housing material | Fire resin |
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Input Specifications | ||||
Input voltage range | 18V~30V DC; |
the Power of full-load | ≤2W | |
Absolute maximum input voltage | 30VDC; |
the Power of no-load | / | |
Power reverse-phase protection | Yes |
Power overload protection | Yes | |
Input Signal Specifications | ||||
Input signal range | 4~20mA, 0~20mA, 1~5V, 0~5V, 0~10V etc. | |||
Input resistance | Current signal input: ≤60W | |||
| Voltage signal input: ≥500KW | |||
Absolute maximum input | Current signal: ≤200mA (withover-current protection) | |||
| Current signal: ≤30V (with over-voltage protection) | |||
Output Signal Specifications | ||||
Output signal range | 4~20mA, 0~20mA, 1~5V, 0~5V, 0~10V etc. | |||
Output signal resistance
| 0/4~20mA:0~550W Take short circuit protection | |||
| 0~10mA output:0~1100W (with cutting-out protection) | |||
| 0/1~5V output:≥500KW (with cutting-out protection) | |||
| 0~10V output:≥1MW (with cutting-out protection) | |||
Typical application:
Ø Field may suffer attack of induction lightening surge.
Ø Field existing grounding potential difference.
Ø Field existing heavy electromagnetic interference.
Ø Protecting DCS or PLC system.
Signal need to be distributed in two roads.
If you have any queries, please feel free to contact with us.
