Technical Specifications
| Digital input |
| Product model |
SRR1416 |
| Rated voltage of bus input power supply |
5VDC（4.5V~5.5V） |
| Rated current of bus input power supply |
≤45mA |
| Rated input voltage |
24VDC（20.4V~28.8V） |
| Typical input current |
5mA/ch（24VDC） |
| Number of input signal points |
8 |
| Input signal type |
NPN/PNP compatible |
| Input signal type |
Direct voltage input typeSink input: NPN open collector input typeSource input: PNP open collector input type |
| OFF voltage/OFF current |
-3V~+5V/below 0.9mA |
| ON voltage/ON current |
11V~30V/above 2.1mA |
| Response time |
<50us |
| Input filtering |
No filtering, 0.1ms, 0.2ms, 0.5ms, 1ms, 2ms, 3ms (factory setting), 4ms...18ms, 19ms, and 20ms |
| Maximum input frequency |
150Hz (filtering time: 3ms) |
| Input impedance |
5.4KΩ |
| Isolation method |
Optocoupler isolation |
| Isolation withstand voltage |
500VAC |
| Rated current consumption |
45mA |
| Power consumption |
0.225W |
| Digital input type |
Type1/Type3 |
| Channel indicator |
Green LED |
| Digital output |
| Number of output signal points |
8 |
| Output signal type |
PNP |
| Field-side input voltage range |
24VDC（20.4V~28.8V） |
| Output voltage drop |
＜1V |
| Output load type |
Resistive load, inductive load, and lamp load |
| Single-channel rated current |
Max：0.5A |
| Leakage current |
<10uA |
| Response time |
<150us |
| Output channel protection |
Short circuit protection (auto-recovery mechanism) |
| Module protection |
Reverse connection protection (auto-recovery mechanism), field-side surge protection |
| Isolation method |
Optocoupler isolation |
| Isolation withstand voltage |
500VAC |
| Channel indicator |
Green LED |
| General technical specifications |
| Specifications and dimensions |
8/16 channels: 100×16.11×80mm |
| 32 channels: 100×26.7×80mm |
| Weight |
8/16 channels: 70g |
| 32 channels: 130g |
| Operating temperature |
-20℃~+60℃ |
| Storage temperature |
-40℃~+80℃ |
| Relative humidity |
95%, no condensation |
| Altitude |
≤2000m |
| Pollution level |
Level 2 |
| Protection class |
IP20 |
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SRR1416 | 8-Input/8-Output Digital Module,PNP
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Indicator Description
Last modified: 2025-11-06
