UM-1097
Revision B
11
(+)
(-)
Alarm
Device
Power for
the Alarm
Device
Figure 7 Common Relay Wiring
3.3.2
RS-485 Modbus®
Recommended cabling for RS-485 communications is 24-18AWG shielded twisted pair. Multiple devices
may be connected on a single RS-485 loop using unique remote IDs. When connecting devices in series,
be sure that terminating resistors are removed from all but the final device on the communication loop.
Power for connected RS-485 may be drawn from TB4 terminals 2, 4, 6 & 8 of the standard I/O Board.
These terminals provide a maximum of 500mA fused output power for powering of auxiliary external
Summary of Contents for ViewSmart 1600+
Page 77: ...UM 1097 Revision B 67 4 7 5 4 Programmable Relays Figure 47 Webpage Programmable Relays Menu...
Page 78: ...UM 1097 Revision B 68 4 7 5 5 System Configuration Figure 48 Webpage System Configuration Menu...
Page 134: ...UM 1097 Revision B 124 Appendix 4 Menu Navigation...
Page 141: ...UM 1097 Revision B 131 Wireless Options and Accessories Expansion Options...