Technical Specifications
| Mechanical Specifications | |
| SENTRY io size | 558.8 mm x 447.68 mm x 241.3 mm |
| SENTRY io weight | 20 kg |
| Materials | Fiberglass |
| Ratings | NEMA-4X, IP65 |
| Operating and storage temperature range | -20 °C to 65 °C |
| Humidity | 20-90% relative humidity (non-condensing) |
| Atmospheric pressure range | 86 kPa – 108 kPa |
| Electrical Specifications | |
| Input power types and ratings | 100-240 VAC 50/60 HZ (autoswitching input) |
| Power consumption (controller alone) | 1.4 amps at 24 VDC |
| Power capacity – max field device power available at 24 VDC | 8.6 amps at 24 VDC |
| Maximum number of inputs |
16 analog or 16 analog with HART gas detectors 6 discrete dry contact inputs |
| Input types supported |
Analog with HART, Discrete dry contact |
| Maximum number of outputs |
56 relays 16 analog outputs |
| Output types supported | Relays, Analog outputs |
| Output relay contacts |
Maximum load:
Minimum load:
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| Ground fault monitoring? | No |
| Maximum loop impedance | 251 Ohms |
| Display/Functional Indicators | |
| Touchscreen size and type | 178 mm LCD |
| Functional Indicators | System Normal, Alarm, and Fault (located on touchscreen) |
| Pre-programmed functions | Remote Reset and Remote Silence dry contact inputs |
| Remote access capability |
Remote display is an available option through Ethernet connection |
| Programming and Configuration | |
| Programming logic functions supported | AND, OR, 2 of N, and 3 of N logical equations |
| Program storage/retrieval/back up options | USB or SD card |
| Digital communications supported | MODBUS TCP/IP, MODBUS RTU (optional), Ethernet IP/DLR (consult factory) |
| Certifications | |
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Certified for installation and use in Class I, Div. 2, Group A, B, C, D, Class I, Zone 2 Group IIC classified areas. Certified by FM Approvals for US, Canada (FM22CA0007), ATEX (FM22ATEX0006), IECEx (IECEx FMG 22.0007), UKCA (FM23UKEX0046) Performance certification includes: IEC/EN/UL/FM 60079-29-1, IEC/EN 60079-29-4, EN 50104, FM 6320, FM 6325, FM 6340, ANSI/FM 12.13.04, ANSI/ISA 92.00.01, and ANSI/ISA 92.04.01, UL/FM/EN/IEC 62990-1 as a safety monitor (SM) EMC Directive, REACH Regulation and RoHS Directive compliant |
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