HBM MX840B-R - Page 29

2 Setting up a system
MX Modules A04089_07_E00_02 HBM: public 29
Synchronization Method Overview
Feature FireWire Ethernet PTPv2 Ethernet NTP EtherCAT®
Synchronization with
other devices
QuantumX QuantumX (B and
C series)
MGCplus (CP52)
eDAQXR
eDAQXR-lite
Quantum X
MGCplus
other
all EtherCAT®
participants
Maximum distance
between modules
5 m
(40 m with FireWire
extender,
500 m via optical
fiber)
100 m 100 m 100 m
Number of modules 24 Unlimited Unlimited Unlimited (CX27C-
R needed)
Accuracy < 1 µs < 1 µs < 10 ms < 1 µs
Settling time Immediate Immediate approx. 2 hrs
during start
approx. 10 min
during restart
Immediate
Master MX module External PTP
grand master
MX Module
CX23-R
EXR-CPU
EXRL-CPU
External
SyncMaster
External
SyncMaster
Voltage supply 1.5 A looped
through
None None None
Synchronization via Ethernet PTP
Each SomatXR module can accurately and reliably synchronize its internal clock
using PTPv2 synchronization (IEEE1588: 2008). This is achieved using multiple
Ethernet connection through a PTPv2 capable Ethernet switch (e.g., EX23-R).