Section 1.5 System Overview - Spectrum Controls Micro800 2085-IT8-SC User Manual

1-10 Chapter 1, Module Overview
Section 1.5
System
Overview
Status
Indicator
Backplane
Communication
Backplane
ASIC
5V DC
(used by backplane
circuitry)
24V DC
User's Manual Pub. 0300322-01 Rev. A
Indicator State
Off
Solid
Green
Module OK
LED Status
Blinking
Green
The 2085-IT8/IT16-SC module is expected to operate indefinitely. It does not
require periodic maintenance or calibration. The module communicates to the
controller through the bus interface. The module also receives 5 VDC and 24
VDC through the bus interface.
Block diagram:
50VAC
Working
Reinforced
Isolation
Isolator
Isolated
DC-DC
Converter
Table 1-4 LED Status Indicators
Description
No power applied to device or the module may have
failed to pass its self-test.
RUN mode. Module has power and passed self-test.
No action is required.
LED blink status:
1. Internal use only.
2. Internal use only.
3: Internal use only.
4: Internal use only.
5: Indicates ADC communication error.
6: Indicates Watchdog reset.
A/D
A/D
Converter
Processor
A/D
Converter
RTB pins
CJC1+
CJC1-
Signal
CJC2+
Conditioning
CJC2-
8-Input
Inx+
Channels
Inx-
ESD
.
Protection,
.
Channel
.
Multiplexing,
x8
& Signal
channels
Conditioning
8-Input
Inx+
Channels
Inx-
ESD
.
Protection,
Installed on
.
Channel
IT16 only
.
Multiplexing,
x8
& Signal
channels
Conditioning