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HLS Open Field Network Dedicated for Machinery Control Systems
HLS, High Speed Link System, is an FA control network complying with SEMI Standard E54.17, proposed by StepTechnica Co., Ltd.
One master can connect to the maximum of 63 slave modules and control at the maximum of 2016 discrete I/O signals within 1 millisecond. Input data at each slave node is copied cyclically to the master's internal memory, and output data stored at the master is copied in turn to the salves' memory, thus the network realizes continuous ultra-high speed communication with high reliability, ideal for machinery control applications.
HLS Remote I/O Modules with Variety of Connecting Styles
The R7F4DH, M-System's remote I/O module for HLS network, is designed specifically for installation in control panels for FA machinery, featuring its compact and shallow depth package, flexibility in mounting both vertically or horizontally on wall or DIN rail. (See Figure 1)
Three connection styles, "mini-clamp" connector standardized by various Japanese/Asian FA sensor vendors, MIL connector for high reliability demands, and "spring cage" terminal with fast wiring, are selectable. (See Figure 2)
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| Figure 1. Mounting directions. |
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| Figure 2. Connecting styles. |
| Mini-Clamp Connector |
MIL Connector |
Spring Cage Terminal |
R7F4DH-1 |
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| Easy, quick, and reliable IDC* termination using a standard pliers |
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R7F4DH-2, R7F4DH-3 |
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| MIL standard connector for flat cables |
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R7F4DH-4 |
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| Quick push-in bridging system using a standard minus screwdriver; Pluggable terminal block |
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Recommended connector:
3M Mini-Clamp plug, 37104-XXXX-000FL |
Recommended connector:
OMRON MIL socket XG4M-2030 |
Connector type (provided):
Phoenix Contact terminal block FMC 1,5/16-ST-3,5 |
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| *IDC: Insulation-displacement connector |
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| Available I/O types and points, and general specifications are as shown in Tables 1 and 2. |
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| Table 1. Available I/O types and points. |
| Model No. |
NPN Input |
PNP Input |
NPN Output |
PNP Output |
| DA16A |
16 |
--- |
--- |
--- |
| DA16B |
--- |
16 |
--- |
--- |
| DC16A |
--- |
--- |
16 |
--- |
| DC16B |
--- |
--- |
--- |
16 |
| DAC16A |
--- |
8 |
8 |
--- |
| DAC16B |
8 |
--- |
--- |
8 |
| DAC16C |
8 |
--- |
8 |
--- |
| DAC16D |
--- |
8 |
--- |
8 |
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| Table 2. General specifications |
| Power input |
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24 Vdc ±10%, ripple 10% p-p max. |
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| Sensor excitation |
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24 Vdc ±10 %; ripple 5% p-p max.
≤2 A (including discrete I/O load charge) |
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| Insulation resistance |
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| Dielectric strength |
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1500 Vac@1 minute
(between isolated circuits) |
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| Operating temperature |
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-10 to +55°C (14 to 131°F) |
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| Operating humidity |
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30 to 90 %RH (non-condensing) |
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| Mounting |
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| Communication mode |
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Full-duplex or half-duplex |
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Network cable
(Shinko Seisen Industry Co., Ltd.) |
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Full-duplex: ZHY262PS, ZHT262PS
Half-duplex: ZHY221PS |
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| Baud rate v.s. transmission distance |
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12 Mbps: 100 meters (328 ft)
6 Mbps: 200 meters (656 ft)
3 Mbps: 300 meters (984 ft) |
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| Terminating resistor |
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Advantages of Using HLS
- Ultra-high speed response realizes high performance control
Constant and stable communication is ensured thanks to the constant-cycle scanning method. A data sample in error is simply rejected without retries by the master until a correct data is obtained in the next cycle.
- High noise immunity by automatic waveform correction function
- Long distance transmission without losing the overall speed
Waveforms distorted by noise or long distance are automatically reconstructed, and data checking is performed simultaneously to ensure the data accuracy.
- Built-in protocol enables simple program development
Communication protocol is built into the network ICs, thus eliminating a need for the user to develop the application software from scratch.
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Table 3. Response time at full-duplex mode. |
| Nodes |
Baud rate |
| 12 Mbps |
6 Mbps |
3 Mbps |
| 4 nodes |
60.7 µs |
121.4 µs |
242.7 µs |
| 8 nodes |
121.4 µs |
242.7 µs |
485.4 µs |
| 16 nodes |
242.7 µs |
485.4 µs |
960.7 µs |
| 32 nodes |
485.4 µs |
960.7 µs |
1.942 ms |
| 63 nodes |
955.5 µs |
1.91 ms |
3.822 ms |
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| Table 4. Transmission distance |
| Baud rate |
12 Mbps |
6 Mbps |
3 Mbps |
| Distance |
100 meters
(328 ft) |
200 meters
(656 ft) |
300 meters
(984 ft) |
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HLS Applications Examples
HLS is widely used for various systems in the FA field, especially in the semiconductor manufacturing equipment.
- Semiconductor manufacturing equipment: laser drilling machine, exposure machine, coater/developer, wafer cleaning system, wafer testing system, PV (solar cell), UV (coating, curing) equipment
- Injection molding machines
- Large printers
- Welding machines
- NC machine tools
- Telemetering and data logging system for manufacturing systems, building management systems
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| Model R7HL HLS Remote I/O Module |
 The R7HL is a similar model with terminal block type variation: barrier strip terminals. It can also handle 4-point DC, TC or RTD inputs, 2-point DC outputs and 8-point relay outputs in addition to transistor I/O signals.
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| For customers interested in HLS ICs to design and develop OEM equipment, please consult us for the possibilities. |
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