Safety Network Controller
NE1A-SCPU Series
Achieve Safety Control through Programming.
Certified Standards
Certification body | Standard |
TÜV Rheinland | EN ISO 13849-1 EN ISO 13849-2 IEC 61508 EN 62061 EN 61131-2 IEC 61326-3-1 |
UL | UL508 ISA12.12.01 UL1998 IEC 61508-3 |
Specifications
Model | NE1A-SCPU01-V1 | NE1A-SCPU02 | |
Communications power supply voltage | 11 to 25 VDC supplied via communications connector | ||
Internal circuit power supply voltage (V0) *1 | 20.4 to 26.4 VDC (24 VDC -15%/+10%) | ||
I/O power supply voltage (V1, V2) *1 | |||
Current consumption | Communications power supply | 24 VDC, 15 mA | |
Internal circuit power supply | 24 VDC, 230 mA | 24 VDC, 280 mA | |
I/O power supply *2 | 24 VDC, 40 mA (Input) 120 mA (Output) | 24 VDC, 80 mA (Input) 150 mA (Output) | |
Overvoltage category | II | ||
Noise immunity | Conforms to IEC61131-2. | ||
Vibration resistance | 10 to 57 Hz: 0.35 mm, 57 to 150 Hz: 50 m/s2 | ||
Shock resistance | 150 m/s2: 11 ms | ||
Mounting method | DIN Track (IEC 60715 TH35-7.5/TH35-15) | ||
Ambient operating temperature | -10 to 55°C | ||
Ambient operating humidity | 10% to 95% (with no condensation) | ||
Ambient storage temperature | -40 to 70°C | ||
Degree of protection | IP20 | ||
Serial interface | USB version 1.1 | ||
Weight | 460 g max. | 690 g max. | |
*1. V0-G0: Internal control circuit
V1-G1 (G): For external input device, test output
V2-G2 (G): For external output device
The two ground terminals on the NE1A-SCPU02 are internally connected.
*2. Not including power consumption for external devices.
V1-G1 (G): For external input device, test output
V2-G2 (G): For external output device
The two ground terminals on the NE1A-SCPU02 are internally connected.
*2. Not including power consumption for external devices.
Safety Input Specifications
Input type | Sinking inputs (PNP) |
ON voltage | 11 VDC min. between each terminal and ground |
OFF voltage | 5 VDC min. between each terminal and ground |
OFF current | 1 mA max. |
Input current | 4.5 mA |
Safety Output Specifications
Output type | Sourcing outputs (PNP) |
Rated output current | 0.5 A max./output |
ON residual voltage | 1.2 V max. between each output terminal and V2 |
Leakage current | 0.1 mA max. |
Test Output Specifications
Output type | Sourcing outputs (PNP) |
Rated output current | 0.7 A max./output * |
ON residual voltage | 1.2 V max. between each output terminal and V1 |
Leakage current | 0.1 mA max. |
* The maximum current for simultaneously ON outputs is 1.4 A.
(T0 to T3: NE1A-SCPU01-V1, T0 to T7: NE1A-SCPU02)
A 15 to 400-mA, 24-VDC external indicator can be connected to T3 and T7.
(T0 to T3: NE1A-SCPU01-V1, T0 to T7: NE1A-SCPU02)
A 15 to 400-mA, 24-VDC external indicator can be connected to T3 and T7.
DeviceNet Communications Specifications
Communications protocol | DeviceNet compliant | |||
Connection form | Multi-drop system and T-branch system can be combined (for trunk line and branch lines) | |||
Communications speed | 500/250/125 kbps | |||
Communications media | Special cable, 5 conductors (2 for communications, 2 for power supply, 1 for shielding) | |||
Communications distance | Communications speed | Max. network length | Branch length | Total branch length |
500 kbps | 100 m max. (100 m max.) | 500 m max. | 39 m max. | |
250 kbps | 250 m max. (100 m max.) | 78 m max. | ||
125 kbps | 500 m max. (100 m max.) | 156 m max. | ||
Note: Figures in parentheses ( ) indicate values when a thin cable is used. | ||||
Communications power supply | 11 to 25 VDC | |||
No. of connectable nodes | 63 | |||
Safety I/O communications (Pre-Ver. 1.0) | Safety Master function Max. no. of connections: 16 Max. data size: Input 16 bytes or output 16 bytes (per connection) Connection type: Single-cast, multi-cast Safety Slave function Max. no. of connections: 4 Max. data size: Input 16 bytes or output 16 bytes (per connection) Connection type: Single-cast, multi-cast | |||
Safety I/O communications (unit version 1.0 or later) | Safety Master function Max. no. of connections: 32 Max. data size: Input 16 bytes or output 16 bytes (per connection) Connection type: Single-cast, multi-cast Safety Slave function Max. no. of connections: 4 Max. data size: Input 16 bytes or output 16 bytes (per connection) Connection type: Single-cast, multi-cast | |||
Standard I/O communications (all unit versions) | Standard Slave function Max. no. of connections: 2 Max. data size: Input 16 bytes or output 16 bytes (per connection) Connection type: Poll, bit-strobe, COS, cyclic | |||
Message communications | Max. message length: 552 bytes | |||