Section 5: Communication Features; Communication Features - Emerson Keystone EPI2 Installation, Operation And Maintenance Manual

Installation, Operation and Maintenance Manual
VCIOM-02377-EN Rev. 0

Section 5: Communication Features

Communication protocol
Network topology
Transmission medium
Data rate
Cable length
Device number
Bus access
Bus termination
Keystone Implementation
Device type
Group
Physical layer
Current consumption
Communication
Baud rate
Addressing (MACID)
Temperature
EMC protections

Communication Features

Section 5: Communication Features
CAN bus standard, 5 wires DeviceNet application
Line/Trunk-drop topology
Specific cable for DeviceNet network: 1 twisted
pair for power, 1 twisted pair for data and shield
125 250
500 250
(length may also vary with cable thickness)
64 devices per segment
Producer-consumer network
External bus terminators required
Generic (00 hex)
Group 2 only slave
Isolated node with transceiver powered by
the network
Current drawn from the network to power the
transceiver: 29 mA at 24 V; 27 mA at 17 V;
25 mA at 11 V
Predefined master/slave connection: explicit
message and polled I/O
125 Kbps, 250 Kbps, 500 Kbps (default 125 Kbps).
Network configurable or manual configurable via
on-board rotary BCD switch
0-63 (default 63). Network configurable or manual
configurable via on-board rotary BCD switches
-40 °C, +85 °C
EN 50081-2 and EN 50082-2
500 Kbps
100 m
May 2022
11