47
7 - Technical specification
Features
(at 25°C environmental temp.)
Description
Single
action
Double
action
Heat/cool
CT auxiliary input
(option)
Current transformer
(see page 12)
50 or 100 mA
input hardware
selectable
Current visualisation 10…200A
With 1A resolution
and HeaterBreak Alarm
Digital input
(option)
The closure of the external
contact produces any of
the following actions:
Auto/Man mode change, Stored Setpoint activation, Keypad lock, Timer
launch
Operating mode
and Outputs
1 double
action PID
loop or On/Off
with 1 or 2
alarms
Control output AL2 alarm AL3 alarm
OP1-Relay /Triac OP2-Relay or logic OP3-Relay/Triac
OP2 -Logic OP1-Relay /Triac OP3-Relay/Triac
OP1-Relay /Triac OP3-Relay /Triac OP2-Relay or logic
OP1-Relay /Triac OP2 Logic OP3-Relay/Triac
OP2 Logic OP3-Relay /Triac OP1-Relay /Triac
Control mode
Algorithm PID with overshoot control or On-off
Proportional band (P) 0.5…999.9%
PID algorithm
Integral time (I) 0.1…100.0 min
OFF = ODerivative time (D) 0.01…10.00 min
1…200 s
Dead band -10.0…10.0%
Heat / cool
control action
Cool relative gain 0.1…10.0
Cool cycle time 1…200 s
Overshoot control 0.01…1.00
PID algorithm
High limit 100.0…10.0% (heat) -100.0…-10.0%(cool)
Hysteresis 0.1…10.0% On-Off algorithm
Error band 0.1…10.0 digit
Cycle time
M4UK.ed6 20-05-2005 11:43 Pagina 47
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