Connecting To External Systems Or Interfaces; Bus - Honeywell Excel 800 Installation And Commissioning Instructions

Connecting to External Systems or Interfaces

Connecting to External Systems or Interfaces
WARNING
Risk of electric shock or equipment damage!
Do not touch any live parts in the cabinet!
►
Disconnect the power supply before making connections
►
to or removing connections from terminals of controller or
I/O modules.
Do not reconnect the power supply until you have
►
completed installation.
Observe the rules regarding electrostatic discharge.
►
Connecting via L W
ON
Via a L W Bus, an Excel 800 System can be
ON ORKS
connected to other controller systems, to additional
L W Bus I/O modules, or to laptops.
ON ORKS
L W Bus Termination
ON ORKS
Depending upon the configuration, either 1 or 2 termination
modules are required for terminating a L
FTT devices on it.
The following L W termination unit is available for this
ON ORKS
purpose:
 XAL-Term2 L
W Connection and Termination
ON ORKS
Module, which can be mounted on DIN rails and in fuse
boxes
EN1B-0375GE51 R0315

Bus

ORKS
W bus with
ON ORKS
Termination Example
1
5
2
6
FTT/LPT BUS
3
4
BUS TOPOLOGY:
1
2 5
6
3 4
105 Ohm
REMOVABLE SCREW-TYPE
2-POLE TERMINAL BLOCK
Fig. 42. XAL-Term2 Connection and Termination Module
30
Excel 800
LONWORKS TERMINATION
PLUG-IN JUMPER
PARK POSITION
(NO TERMINATION)
FTT/LPT FREE
FTT/LPT FTT/LPT
FREE TOPOLOGY:
105 OHM 52.3 OHM
1 1
100 μ 100 μ
52.3 Ohm
100 μ 100 μ
2 2