中文版
Description
1756-IR6I ControlLogix analog input module
Technical Specifications for 1756-IR6I
| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Part Number/Catalog No. | 1756-IR6I |
| Series | ControlLogix |
| Module Type | Analog RTD Module |
| Inputs | 6-Point Isolated RTD |
| Compatible RTD Type | Platinum 100, 200, 500, 1000 ? , alpha=385; Platinum 100, 200, 500, 1000 ? Platinum, alpha=3916; Nickel 120 ?, alpha=672, Nickel 100, 120, 200, 500 ? , alpha=618 |
| Resolution | 16 bits 1…487 ?: 7.7 m?/bit 2…1000 ?:15 m?/bit 4…2000 ?:30 m?/bit 8…4020 ?:60 m?/bit |
| Input Range | 1…487 ? 2…1000 ? 4…2000 ? 8…4000 ? |
| Module Scan Time | 25 ms min floating point (ohms) 50 ms min floating point (temperature) 10 ms min integer (ohms)(1) |
1756-IR6I
The 1756-IR6I’s real-time sampling feature lets the module multicast data it gathered from scanning all of its input
channels. To enable multicast, configure Real-Time Sampling (RTS) period and a Requested Packet Interval (RPI) period.
Protection features are also embedded with this module such as under-range/over-range detection, feature of the
module which is used to monitor if the input signal falls beyond the limits set by the input range. The process alarms
work similarly however the process limits are manually set by the user. The integrated rate alarm allows the module to
detect a rapid increase or decrease within a short defined period of time. Rate alarm is only available in applications
using floating point. Wire off detection feature provide loop wiring completeness. It can detect if the RTB or a wire in the module has been disconnected.
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