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5202B
Pulse isolator
- 2 channels - 2 or 4 outputs
- Dual output
- 5-port 3.75 kVAC galvanic isolation
- Cable error detection
- Universal supply by AC or DC
Application
- Pulse isolator with safety barrier for the supply of NAMUR sensors installed in the hazardous area.
- Pulse isolator with safety barrier for the detection of mechanical contacts installed in the hazardous area.
- One input signal can be used on two separate outputs.
- A cable error alarm can be detected on a separate output.
Technical characteristics
- PR5202B1 and 5202B2 have relays with change-over contacts or open NPN collectors available in the safe area.
- PR5202B4 has 4 SPST relays, which are activated simultaneously two and two, available in the safe area. Each relay can be programmed to the function N.O. or N.C.
- Inputs, outputs and supply are floating and galvanically separated.
- 5202B is designed according to strict safety requirements and is therefore suitable for application in SIL 2 installations.
Mounting / installation
- Mounted vertically or horizontally on a DIN rail. Up to 84 channels per meter can be mounted.
Environmental Conditions
| Operating temperature | -20°C to +60°C |
| Calibration temperature | 20...28°C |
| Relative humidity | < 95% RH (non-cond.) |
| Protection degree | IP20 |
Mechanical specifications
| Dimensions (HxWxD) | 109 x 23.5 x 130 mm |
| Weight approx. | 230 g |
| Wire size | 1 x 2.5 mm2 stranded wire |
| Screw terminal torque | 0.5 Nm |
Common specifications
Supply |
|
| Supply voltage, universal | 21.6...253 VAC, 50...60 Hz or 19.2...300 VDC |
| Fuse | 400 mA SB / 250 VAC |
| Max. required power |
≤ 1.5 W (2 channels), 5202B1 and 5202B2
≤ 2.0 W (2 channels), 5202B4 |
| Internal power dissipation |
≤ 1.5 W (2 channels), 5202B1 and 5202B2
≤ 2.0 W (2 channels), 5202B4 |
Isolation voltage |
|
| Isolation voltage, test / working | 3.75 kVAC / 250 VAC |
| PELV/SELV | IEC 61140 |
Auxiliary supplies |
|
| NAMUR supply | 8 VDC / 8 mA |
| EMC immunity influence | < ±0.5% |
| Extended EMC immunity: NAMUR NE21, A criterion, burst | < ±1% |
Input specifications
| Sensor types | NAMUR according to EN 60947-5-6 / mechanical contact |
| Frequency range | 0...5 kHz |
| Pulse length | > 0.1 ms |
| Input resistance | 1 kΩ |
| Trig level, signal | < 1.2 mA, > 2.1 mA |
| Trig level, cable fault | < 0.1 mA, > 6.5 mA |
Output specifications
Relay output |
|
| Max. switching frequency | 20 Hz |
| Max. voltage | 250 VRMS |
| Max. current | 2 AAC |
| Max. AC power | 100 VA |
| Max. load at 24 VDC | 1 A |
NPN outputs |
|
| Max. switching frequency | 5 kHz |
| Min. pulse length | > 0.1 ms |
| Max. load, current / voltage | 80 mA / 30 VDC |
| Voltage drop at 25 mA / 80 mA | < 0.75 VDC / < 2.5 VDC |
Observed authority requirements
| EMC | 2014/30/EU |
| LVD | 2014/35/EU |
| EAC | TR-CU 020/2011 |
Approvals
| ATEX 2014/34/EU | DEMKO 99ATEX127186, II (1) GD [EEx ia] IIC |
| UL | UL 913, UL 508 |
| EAC Ex TR-CU 012/2011 | RU C-DK.GB08.V.00410 |
| SIL | Hardware assessed for use in SIL applications |