Emerson RSTI-EP Datasheet
PACSystems RSTi-EP I/O
00813-0100-0106
PACSystemsTM RSTi-EP I/O
High Density, High Performance Slice I/O
Smarter Architecture
Today’s connected machines require innovative, highperformance control systems that minimize unplanned
downtime and increase productivity and efciency. RSTi-EP
combines powerful technology and a modular, compact form
factor to deliver higher performance and maximized productivity
in today’s connected automation systems. The RSTi-EP
remote I/O system is well suited for Industrial Internet enabled
applications. It features an extended operating temperature
range, enhanced diagnostics, plug-and-play connectivity and
high channel density– all designed to simplify machine design
and maintenance. Advanced diagnostics make RSTi-EP ideal for
remote applications, especially those where I/O can be difcult
to reach. RSTi-EP I/O is easily expandable, soy ou can adapt and
extend coverage as your system evolves.
Higher Performance in Half the Space
The innovative RSTi-EP I/O is a powerful combination of clean
layout, high density, and small footprint. It can accommodate up
to 64 modules and 1024 I/O points per drop, while its 11.5 mm
I/O slices maximize limited cabinet space. By adopting the most
compact I/O system on the market, it’s possible to incorporate
smaller cabinet sizes into user-friendly system designs.You can
even eliminate external components by using optional potential
distribution modules to provide easy connections to input power,
output power, and functional earth.
Remote, Real-time Diagnostics
With the RSTi-EP’s integrated web server and advanced
diagnostics, failures in the system can be identied remotely,
eliminating the need to travel to the machine, saving both time
and money. The web server lets the operator view diagnostic
faults and upgrade rmware over the web– simplifying start
up, increasing availability and productivity without the need for
additional tools or software. Additionally, actions can be taken
within the application feeding off of the diagnostic information.
It is simple to prioritize service trips as critical or routine
maintenance without stepping out of the control room.
Plug and Play Installation
Consistent I/O cabling interfaces make installation faster and
more reliable. Colorkeyed connectors allow for fewer cabling
errors and noticeably shorter installation times. Better still,
no tools are required for installation or removal of I/O wiring
connectors, saving time and effort. Entire machine modules
can be cabled and transferred into production through a
streamlined commissioning process. Bulk swing-arm kits are
available to enable cable pre-assembly, ofoading repetitive
tasks for your team during panel assembly. A single row
connection level facilitates wiring, installation, and service.
Separate power supplies for inputs and outputs reduce the
number of power feed modules needed and save space;
additionally, specic sections can be activated or deactivated
without affecting production thanks to the independence of the
input and output power busses.
High Availability
With the PNS101 network adapter, RSTi-EP supports PROFINET
System Redundancy (PNSR). This enables synchronized
independent controllers to service the I/O and transition
from active to back-up controller without interruption. With
controllers and processes resilient from physical disruption, you
can consider unplanned downtime a thing of the past.
Data Sheet
March 2021
PACSystems RSTi-EP I/O
March 2021
Simple Maintenance
RSTi-EP lays a strong foundation for installation, machine
commissioning and service applications with robust and easy-
to-use signal connection components. LEDs on the module and
each channel help operators to quickly and easily determine I/O
health and quickly diagnose any system failures.
Feature Benefit
Wide Range of Communication Options
Small Footprint
Improved System Availability
Easier Maintenance & Troubleshooting
Module and Channel Level LEDs
Higher Performance
High Availability
PROFINET, PROFIBUS, Modbus TCP, EtherCAT, and Ethernet/IP
Industry-best I/O density that’s still easy to use
Maximize or reduce cabinet space
Place I/O closer to sensors for reduced wiring costs
Designed with hot-swap IO and inputs and outputs that can be switched off
independently. These features enable service activities to be performed while the
sensor system is active.
Further shorten production downtimes with unique plain text diagnostics via the
integrated web server. In case of an emergency stop it is simpler to identify and
prioritize errors faster.
Easy error diagnosis: Localize errors instantly with an LED directly on the channel
and status indicators on every module. An indispensable benet for secure
commissioning and rapid system maintenance
High speed system bus communicates up to 256 discrete inputs or discrete
outputs in 20 microseconds
100 MBps Etherent on Ethernet enabled network adapters
Move more data with precision and condence for improved application
performance and productivity
Supports PROFINET System Redundancy (PNSR) and Modbus TCP Dual LAN
Intutive Integration
The RSTI-EP features outstanding performance and response
time, with the high-speed system bus reading up to 256 DI/
DOs in 20 microseconds. It offers intuitive I/O mapping for
quick and easy integration into your control application, as well
as maximum power reserves for future applications. RSTi-EP
features faster backplane speeds than the original RSTi I/O
and perfectly responds to growing complexity in machine
and factory automation thanks to powerful exibility and a
consistent user interface.
Specifications
Interface
Copper RJ-45 for Ethernet models and DB-9 for serial network
adapters
Expansion
Up to 64 active I/O modules per network adapter Power
Supply 20.4V – 28.8V DC
Environmental
Operating temperature -20°C to +60°C (-4°F to +140°F)
Storage temperature -40°C to +85°C (-40°F to +185°F)
Air humidity
(operation/transport)
5% to 95%, noncondensing
as per DIN EN 61131-2
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Standard Module Wire Gauge
Between 0.14 mm² and 1.5 mm² (AWG 26 – 16)
Protection
IP20
Module Dimensions (Height x Width x Depth)
Network adapter: 120.0 mm (4.72 in) 52.0 mm (2.05 in)
76.0 mm (2.99 in)
I/O module: 120.0 mm (4.72 in) 11.5 mm (0.45 in) 76.0 mm
(2.99 in)
End plate: 120.0 mm (4.72 in) 3.5 mm (0.14 in) 76.0 mm
(2.99 in)
End bracket: 120.0 mm (4.72 in) 8.0 mm (0.32 in) mm
(1.42 in)
March 2021
PACSystems RSTi-EP I/O
Mounting Format
DIN Rail
Network Interfaces
PROFINET
PROFIBUS DP
Modbus/TCP
EtherCAT
Ethernet/IP
Network Redundancy
Media Redundancy Protocol (MRP)
System Redundancy
PROFINET System Redundancy
I/O Redundancy
Via Application Code
Media Connector
Media Redundancy Protocol (MRP)
Network Redundancy
2x RJ45
Galvanic Isolation
Yes
Hot Swap
Yes
Agency Approvals
UL
UL HazLoc Class 1 Division 2
CE
ATEX Zone 2
TUV SIL3
Marine
DNV GL
Channel Density
4 - 16 points
Max I/O per Drop
1024
I/O Family Comparison
Product
Typ e Distributed Slice Distributed Slice Distributed Slice Chassis Based
Network
Interfaces
System
Redundancy
Hot Swap No Yes No Yes No Yes Ye s
Environmentals
Agency
Approvals
Marine - DNV GL -
I/O Module Size
(W x H x D)
Typical
Applications
Level of
Diagnostics
PACSystems
RSTi
PROFINET
PROFIBUS DP
Modbus/TCP
Modbus/RTU
DeviceNet
- PNSR -
IP20
0˚C to 55˚C (UL)
0˚C to 60˚C (non-UL)
UL
UL HazLoc C1D2CE
ATEX Zone 2
12 x 99 x 70 mm 11.5 x 120 x 76mm 12 x 120 x 70 mm 66.8 x 163.5 x 70 mm 70 x 178 x 49.3 mm 34 x 145 x 140 mm 42 x 110 x 106 mm
Basic Machine
Good Better Best Better Good Best Best
PACSystems
RSTi-EP
PROFINET
PROFIBUS DP
Modbus/TCP
EtherCAT
Ethernet/IP
IP20
-20˚C to 60˚C
UL
UL HazLoc C1D2
CE
ATEX Zone 2
Machine Control
Light Process Control
General Automation
VersaPoint
/VersaSafe
PROFINET
PROFIBUS DP
Modbus/TCP
DeviceNet
IP20
-20˚C to 55˚C
UL
UL HazLoc C1D2
CE
ATEX Zone 2
TUV SIL3
Functional Safety
VersaMax
Modular
PROFINET
PROFIBUS DP
Modbus/TCP
EGD
DeviceNet
GENIUS
PNSR, EGD or
GENIUS
IP20
0˚C to 60˚C
-40˚C to 60˚C (opt.)
Conformal Coat (opt.)
UL
UL HazLoc C1D2
CE
ATEX Zone 2
ABS, BV, DNV GL, LR
(only select models)
Machine and Light
Process Control
General Automation
VersaMax/IP
On-machine
Distributed
PROFINET
PROFIBUS DP
IP67
-20˚C to 60˚C
UL
UL HazLoc C1D2
CE
-
On-machine
Cabinetless I/O
PACSystems
RX3i
Chassis Based Intrinsically Safe
PROFINET
PROFIBUS DP
Modbus/TCP
EGD
CMX
PNSR or EGD
IP20
0˚C to 60˚C
-40˚C to 60˚C (opt.)
Conformal Coat (opt.)
UL
UL HazLoc C1D2
CE
ATEX Zone 2
ABS, BV, DNV GL
(only select models)
Complex Machine
Process Control
Motion Control
General Automation
PAC8000
PROFINET
Modbus/TCP
PNSR or Modbus/
TCP
IP20
-40˚C to 70˚C
Conformal Coat
UL
UL HazLoc C1D1
CE
ATEX Zone 1
Intrinsically Safe
LR
Harsh Environment
Process Control
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