Caution – WIKA CS4R User Manual
Page 5
Operating Instructions Temperature Indicating Controller CS4R
V1.2
•
05/2006
- 5 -
2. Name and functions of the sections
(1) EVT
EVT indicator
A red LED lights up when Event output (Alarm, Loop break
alarm or the option Heater burnout alarm) is ON.
(2) OUT
OUT indicator
A green LED lights up when OUT output is ON.
For DC current output type, this blinks in a 0.25 second cycle
corresponding to the output manipulated variable .
(3) T/R
T/R indicator
A yellow LED blinks during serial communication TX output
(transmission)
(4) AT
Auto tuning indicator
A yellow LED blinks while PID auto-tuning is being performed.
(5) PV
PV display
Indicates the input value (PV) with a red LED.
(6) SV
SV display
Indicates the setting value (SV) with a green LED.
(7)
Increase-key
Increases the numeric value.
(8)
Decrease-key
Decreases the numeric value.
(9) MODE MODE–key
Changes the setting mode or registers the setting value.
(Resisters the setting value by pressing the MODE-key.) (FIG.
2-1)
(10)
Submode-key]
Brings up Auxiliary function setting mode 2 in combination with the mode key.
Caution
When setting the specifications and functions of this controller, connect the terminals 1 and 2 for power
source first, then set them referring to “5. Setup” before performing “3. Mounting”
and “4. Wiring”.
3. Mounting
3.1 Site selection
This instrument is intended to be used under the following environmental conditions (IEC61010-1):
Overvoltage category , Pollution degree 2
Mount the controller in a place with:
•
A minimum of dust, and an absence of corrosive gases
•
No flammable, explosive gasses
•
Few mechanical vibrations or shocks
•
No exposure to direct sunlight, an ambient temperature of 0 … 50°C (32 … 122°F) without rapid change
•
An ambient non-condensing humidity of 35 … 85%RH
•
No large capacity electromagnetic switches or cables through which large current is flowing
•
No water, oil or chemicals or where the vapors of these substances can come into direct contact with the
controller
(1)
(2)
(5)
(6)
(3)
(4)
(7)
(8)
(9)
(10)