OP1 output
SPST Relay N.O., 2A/250Vac (4A/120Vac) for resistive load
Triac, 1A/250Vac for resistive load
Active low
Protection by varistor
for 220Vac and capacitor
OP2 output
Logic not isolated: 5Vdc, ±10%, 30mA max
SPST Relay N.O., 2A/250Vac (4A/120Vac) for resistive load
Jumper selectable
(page 13)
OP3 output
SPST Relay N.O., 2A/250Vac (4A/120Vac) for resistive load
Triac, 1A/250Vac for resistive load
Features
(at 25°C environmental temp.)
Description
OP4 countinuous control
output (option)
Galvanic isolation
: 500 Vac/1 min
Resolution: 12bit (0.025%)
Accuracy
: 0.1 %
In current: 0/4…20mA 750Ω/15V max.
AL2 - AL3 alarms
Hysteresis 0.1…10.0% c.s.
Action
Active high
Action type
Deviation threshold ±range
Band threshold 0…range
Absolute threshold whole range
Sensor break, heater break alarm,
Latching/Blocking, Loop Break Alarm
Setpoint
Local and stand-by digital input or serial communications
Ramp up and down. User inhibited 0.1…999.9 digit/min
Low limit from low range to high limit
High limit from low limit to high range
Tuning
Fuzzy-Tuning The controller selects automatically the
best method according to the process conditions
Step response
Auto/Man station Standard with bumpless function, by keypad, digital input or serial communications
Serial comm. (option) RS485 isolated, Modbus/Jbus protocol, 1200, 2400, 4800, 9600 bit/s, two wires
Auxiliary Supply +18Vdc ±20%, 30mA max. for external transmitter supply
Adaptive Tuning
self-learning, not intrusive, analysis of the process response to perturbations and
continuously calculation of the PID parameters
Natural frequency
48
7 - Technical specification
M4UK.ed6 20-05-2005 11:43 Pagina 48
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