Detail GEFLEX GFX-M1 / GFX-S1 / GFX-E1
GEFLEX GFX-M1 / GFX-S1 / GFX-E1
MODULAR POWER CONTROLLER FOR TEMPERATURE CONTROLLED ZONES
Main features
• Three versions:
MASTER - independent temperature
control and communication unit
SLAVE - independent temperature
control unit
EXPANSION - for three-phase loads
• SSR ( Solid State Relay) zero crossing
• Rated voltage:
480Vac rms, 50-50Hz
• Rated current ( AC1) : 25A, 40A,
60A, 75A, 90A, 120A
• Protection: IP20
• Installation: DIN bar and panel
• Universal temperature input,
accuracy 0.2%
• Configurable digital input
• Logic output or " cooling" relay
• Load current detection with integrated CT
• Heat/ cool PID, selection of cooling fluid,
self-tuning, auto-tuning, soft-start
• 4 generic alarms, LBA and HB alarms
• 2 configurable relay outputs
• Field bus for Master:
std: “ Modbus RTU” with Serial RS485
optically opt: “ PROFIBUS DP” , “ CANopen” ,
“ DeviceNet”
Main applications
• Plastic extruders
• Plastic injection presses
• Blowers
• Plastic and rubber processing
machines
• Wrapping machines
• Packaging machines
• Thermal processes with
electric heating
Main input
Thermocouple, resistance thermometer,
Linear.
Application: process variable.
Thermocouples:
ITS90: J, K, R, S, T, B, E, N, U, G, D, C,
custom.
Cold junction compensation: internal, with
automatic compensation.
Resistance thermometer:
Pt100 DIN 43710, J Pt100, custom.
Linears/ Transmitters:
range 0...60mV, 0...20mA, 0...1Vdc
( configurable within limits) .
Possible 32 segment custom linearization.
DIGITAL COMMUNICATION, FIELD BUS
Asynchronous serial transmission.
Std. protocol: MODBUS RTU RS485 2
wires, 1200...19200 baud.
Optional protocols: CAN OPEN 10K...1M
bit/ sec, PROFIBUS DP 9, 6...12Mbit/ sec.
Safety Detection of short circuit or opening of input probe, open loop alarm ( LBA) , load fault alarm ( HB) , overheat SCR.
PROCESS CONTROL FUNCTIONS
Control PID, PI, PD, P, On/ Off, heat, cool, heat + cool with fluid selection.
Manual/ Automatic: Bumpless or with manual forcing of output.
Tuning
- Self-tuning: calculation of PID parameters at system start.
- Auto-tuning: continuous adjustment of PID values.
Special functions
Soft-start, power limitation, software
shutdown.
Alarms
Up to 4:
absolute, deviation, symmetric, direct, rever-
se, Latching and non, LBA, HB.
Reference: PV, SP, aux input ( for HB) .
Multiset
Double setpoint with gradient selectable from
digital input
POWER SUPPLY
24Vdc ± 25% , 3W
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