Honeywell H-S81-HS User Manual

38 H-S81-HS Installation & Operation Manual — P/N LS10114-000HI-E:A 2/24/2015
Parts of the H-S81-HS System Central Unit Rack
2.2.1 S81-E2003-1
Description
It is the interface between the two CPUs and the other peripheral devices making up the system.
Technical Features
Internal connections
 TB1 & TB2: +V/-V
These two Faston terminals are used for supply voltage connection
 J1: Default I/O
It is a connector for a 14-pole flat cable allowing the connection to the module S81-T8004-1
(default I/O).
 J2 & J3: LVDS Bus Loop Link
They are 2 RJ45 connectors for category 5 cable allowing to connect the CPU to the two peripheral
modules. This is a closed loop connection, thus allowing to increase system reliability. The J2 con-
nector (Bus-IN) must be connected to the BUS-OUT terminal of the last rack, whereas the J3 con-
nector (Bus-OUT) must be connected to the BUS-IN terminal of the first rack.
• Operating temperature: -5 - 50 °C
• Storage temperature: -30 - 80 °C
• Maximum humidity: 95%(RH) non-condensing
TAG Function Cable color
TB1 25VDC power supply positive Red
TB2 25VDC power supply negative Black
Figure 2.7 S81-E2003-1 Bus
Figure 2.8 RJ45 UTP Connection Cable

Honeywell H-S81-HS Specifications

General

Brand	Honeywell
Model	H-S81-HS
Category	Control Panel
Language	English