Max Machinery 121 INDICATOR - Manual (Page 5)

121-000-350 © 2001 Max Machinery, Inc. Pg 5
Specifications
Specifications:
Environmental
Indoor Use
Altitude up to 2000m
Operating Temperature: 0C to +50C
Storage Temperature: -40C to +85C
Maximum Relative Humidity : 80% for temperatures
up to 31C decreasing linearly to 50% RH at 40C
Main supply voltage fluctuations not to exceed ±10%
of the nominal voltage
Transient overvoltage according to INSTALLATION
CATEGORY II (see UL 3101-1 Annex J)
POLLUTION DEGREE 2 in accordance with
IEC 664 (see 3.7.3)
Materials: UL, CSA, VDE approved
Approvals: CE Approved Light Industrial,
UL File #: E192404
CSA Pending
Display
Type: 2 lines of 20 characters
Type: VFD
Character Size: 0.3" nominal
User selectable label descriptors and units of measure
Keypad
Keypad Type: Membrane Keypad
Keypad Rating: Sealed to NEMA 4
Number of keys: 16
Enclosure
Size: See Dimensions on page 9
Depth behind panel: 6.5" including mating connector
Type: DIN
Materials: Plastic, UL94V-0, Flame retardant
Bezel: Textured per matt finish
Equipment Labels: Model, safety, and user wiring
Power Input
The factory equipped power option is internally fused.
An internal line to line filter capacitor is provided for
added transient suppression.
121-200: 110VAC: 85 to 127 Vrms, 50/60 Hz
121-201: 12VDC: 10.5 to 14 VDC
Control Inputs
Switch Inputs are menu selectable for Start, Stop,
Reset, Lock, Inhibit, Alarm Acknowledge, Print or Not
U s e d .
Control Input Specifications
Input Scan Rate: 10 scans per second
Logic 1: 4 - 30 VDC
Logic 0: 0 - 0.8 VDC
Transient Suppression: 500 V fast transient
(Capacitive Clamp)
Input Impedance: 100 K
Control Activation: Positive Edge or Pos. Level
based on product definition
Flow Inputs:
Analog Input:
Ranges
Voltage: 0-10 VDC, 0-5 VDC, 1-5 VDC
Current: 4-20 mA, 0-20 mA
Basic Measurement Resolution: 16 bit
Update Rate: 5 updates/sec minimum
Automatic Fault detection: Signal over/under-range,
Current Loop Broken
Calibration: Self Calibration and Auto-zero continuously
Extended calibration: Learns Zero and Full Scale
of each range using special test mode.
Fault Protection:
Fast Transient: 500 V Protection
(Capacitive Clamp)
Reverse Polarity: No ill effects
Over-Voltage Limit: 50 VDC Over voltage protection
Over-Current Protection: Internally current limited
Protected to 24 VDC.
Compensation Input
The compensation input is menu selectable for
temperature, density or not used.
Operation: Ratiometric
Accuracy: 0.01% FS
Thermal Drift: Less than 100 ppm/
o C
Basic Measurement Resolution: 16 bit
Update Rate: 1 update/sec minimum
Automatic Fault detection:
Signal Over-range/under-range
Current Loop Broken
RTD short
RTD open
Fault mode to user defined default settings
Transient Protection: 500 V (Capacitive Clamp)
Reverse Polarity: No ill effects
Over-Voltage Limit (Voltage Input): 50 VDC
Available Input Ranges
Voltage: 0-10 VDC, 0-5 VDC, 1-5 VDC
Current: 4-20 mA, 0-20 mA
Resistance: 100 Ohms DIN RTD
100 Ohm DIN RTD (DIN 42-760, BS 1904):
Three Wire Lead Compensation
Internal RTD linearization learns ice point
resistance
1 mA Excitation current with reverse polarity protection
Temperature Resolution: 0.01 C
Excitation Voltage
110/220 VAC Powered Units
Menu Selectable: 5, 12 or 24 VDC @ 100mA
12 VDC Powered Units
5 VDC @ 100mA