Gravimetric Single-Component series:

Output Ranges

Dosing system	Dosing capacity gram/sec	Dosing capacity Kg/hour
Type GL*	0.02 to 0.4	0.07 to 1.44
Type G*	0.2 to 7	0.72 to 25.2
Type A-20*	0.5 to 20	1.8 to 72
Type A-30**	2.0 to 50	7.2 to 180

Note* measured with granular masterbatch 0.8 kg/dm³
Note** only available with high torque (4 Amp) stepper motor

Calibration Method/Controls

The MC-Balance auto-calibrates continuously, eliminating the need to calibrate the unit when changing color.

Controls

- Set % setting for injection molding.
- Set % setting for extrusion.
- Extrusion control.
- Relay or by tacho standard.
- Injection molding control:

	- Automatic metering time synchronization.
	- Or by manual timer.
	- Manual speed and time setting.
	- 4 keyboard lock levels.
	- Integrated hopper loader controller.

Memory modes

Production (data logger): up to 2 x 24 hours can be stored.
Production memory, up to 1500 machine settings can be stored.

Monitoring/System Information/ External communication

128 x 64 full graphic LCD front display with integrated backlight
Man/machine interface: Using full language command structure; standard languages, English, German, French, Spanish, Italian, Portuguese, Turkish, and Swedish; other languages on request. .
External communication: PC link using TCP/IP Internet protocol; optional RS 232 or 485 available.
Alarm: 2 user-programmable alarm levels.

Specifications/Standards & Directives

Technical data:
Operating power from 80 VAC to 260 VAC, 50 and 60 Hz by integrated automatic voltage selector.
Power consumed 80 Watt maximum.
Stepper motor (1.8 degr/step) max 2 Amp or 4 Amp at 40 Volt.
Operating Temperature: -20 to + 70 degr. C.
Load cell electronics 20 bits A/D resolution with a full digital filtering.

Input signal(s):
Injection molding:
Start/stop trigger input, potential free or 0 .. 24 VDC. Input for level sensor.
Extrusion:
Start/stop trigger input, potential free or 0 .. 24 VDC. Tacho input, 0 .. 30VDC Input for level sensor.

Output(s):
Stepper motor max output 2 Amp or 4 Amp (40 VDC)
- Solid State 24 VDC/0.5 A output, for valve hopper loader.
- Solid State 24 VDC/0.5 A output for external warning alarm.
- Relays for alarm level free programmable.
- Relays for alarm level free programmable.
All free programmable outputs are capable of driving up to 5 Amp 230 VAC/30 VDC.

Standards and Directives:

Protection class: IP-50.
According to CE standards:
EN50081-2 (HF radiation industry).
EN50082-2 (HF immunity industry).

Safety
- In case of overload due to short-circuit or incorrect connection, the power supply automatically shuts down.
- Opto insulated start input for connection to production machine.

Machine connection flanges

Standard flange NST40 with cleaning opening and inlet/outlet Ø 50mm/  40mm, steel epoxy coated.
Flange type NST90 with cleaning opening and inlet/outlet Ø 50mm/  90mm, steel epoxy coated.
Water-cooled flange NBH(A) inlet/outlet 50 mm/50 mm, stainless steel ANSI 304.
Water-cooled flange NPHA inlet/outlet 100 mm/100 mm, stainless steel ANSI 304.
Other flange types custom-made on request.