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CS-series B7A Interface Unit
It transmits 16 points of I/O signals per word with a pair of cables. Easy and minimized wiring effort.
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B7A Communications Specifications
| Item | Specifications | ||
| Transmission method | One-way time-sharing multiplex transmissions | ||
| Transmission delay (communications delay on transmission path) | High-speed | 3 ms typical, 5 ms max. | |
| Standard | 19.2 ms typical, 31 ms max. | ||
| Transmission points | CS1W-B7A12 | 32 inputs (2 ports) | |
| CS1W-B7A02 | 32 outputs (2 ports) | ||
| CS1W-B7A21 | 16 inputs (1 port), 16 outputs (1 port) | ||
| CS1W-B7A22 | 32 inputs (2 ports), 32 outputs (2 ports) | ||
| External power supply voltage *1 | 12 to 24 V DC (allowable voltage range: 10.8 to 26.4 V) | ||
| External supply current *2 | CS1W-B7A12 | 20 mA min. | |
| CS1W-B7A02 | 60 mA min. | ||
| CS1W-B7A21 | 30 mA min. | ||
| CS1W-B7A22 | 60 mA min. | ||
| Minimum input time *3 | High-speed | 16 ms | |
| Standard | 2.4 ms | ||
| Transmission distance | High-speed | Power supply on one side (common power supply) | 10 m max. |
| 50 m max. (with shielded cable) | |||
| Power supply on both sides (separate power supplies) | 10 m max. | ||
| 100 m max. (with shielded cable) | |||
| Standard | Power supply on one side (common power supply) | 100 m max. | |
| Power supply on both sides (separate power supplies) | 500 m max. | ||
| Cables | VCTF, 0.75 mm2, 3 conductors (power supply on one side (common power supply)) VCTF, 0.75 mm2, 2 conductors (power supply on both sides (separate power supplies)) Shielded cable, 0.75 mm2, 3 conductors (power supply on one side (common power supply)) Shielded cable, 0.75 mm2, 2 conductors (power supply on both sides (separate power supplies)) | ||
*1.Use a SELV power supply with overcurrent protection. A SELV power supply refers to a power supply with double or reinforced insulation between input and output and with an output voltage of 30 V rms with a 42.4-V peak or an output voltage of 60 VDC max. We recommend OMRON S8[][]-series Power Supply Units for the external power supplies.
*2.The capacity of the external supply current does not include the capacity required by the B7A Link Terminal.
*3.The minimum input time is the minimum time required by the B7A Interface Unit to read the input signals from the CPU Unit.
Note:
1.When separate power supplies are used, the B7A Interface Unit and B7A Link Terminal are supplied by separate external power supplies.
2.When a common power supply is used, the B7A Interface Unit and B7A Link Terminal are supplied by the same external power supply.
Specifications
| Model | CS1W-B7A12 | CS1W-B7A02 | CS1W-B7A21 | CS1W-B7A22 | |
| Applicable PLC | CS-series PLCs | ||||
| Unit type | CS1 Basic I/O Unit | ||||
| I/O points | Input | 32 inputs | --- | 16 inputs | 32 inputs |
| Output | --- | 32 outputs | 16 outputs | 32 outputs | |
| Transmission distance | Normal: 500m max. when the interface unit and the link terminal units have separate external power supplies, Normal: 100m max. when the interface unit and the link terminal units use a common external power supply, High speed: 100m max. with shielded cables, 10m max. with unshielded cables, when the interface unit and the link terminal units have separate external power supplies, High speed: 50m max. with shielded cables, 10m max. with unshielded cables, when the interface unit and the link terminal units use a common external power supply, | ||||
| Transmission delay | Normal: 19.2ms (typ.), 31ms max. Short 3ms (typ.), 5ms max. * 1 | ||||
| Weight | 230g max. | 240g max. | |||
| Power supply voltage from external source *2 | 12 to 24VDC ±10%, 20mA min. | 12 to 24VDC ±10%, 60mA min. | 12 to 24VDC ±10%, 30mA min. | 12 to 24VDC ±10%, 60mA min. | |
| I/O memory allocation | Each Unit is allocated 4 words in the I/O Area (which starts at CIO 0000). The words are allocated according to the mounting position of the Unit. | ||||
| 2 words (32 points). | 4 words (64 points). | ||||
| Current consumption | 5 V DC: 90 mA max. (supplied from Power Supply Unit) | ||||
*1.The I/O delay time is selectable by the selector switch between normal and short.
*2.The value does not include the power supplied to B7A link terminal units.
Caution: In the interenst of product improvement, specifications are subject to change without notice.