CONTREX CX-1200 User Manual
Page 336

A - 4
(Continued)
Appendix A: CX-1200 Specifications (continued)
Digital Outputs(8):
NPN Darlington (ULN2003)
Current Sinking
50 VDC Maximum Operating Voltage
1.0 V Saturation at 200 mA Typical
0.6 V Saturation at 1 mA Typical
200 mA Continuous/Channel
500 mA Peak/Channel (50% Duty Cycle)
750 mA Continuous Total All Channels
Internal Freewheeling Diodes
2 mSec Update Rate
Optically Isolated (Dig_Com)
Control Output to Drive:
±5 V to ±15 V Bipolar Analog
Zero/Span Software Calibration
16 Bits Bipolar Resolution (15+Sign)
18 mA Maximum Drive Current
Optically Isolated (CO_Com)
Aux. Power Output:
+12 VDC ±5%
150 mA Maximum
Optically Isolated (Dig_Com)
Serial Communications:
RS485 Compatible
5 VDC Differential Operation
300 to 19200 Baud Rate
Selectable Character Format
Half Duplex
Optically Isolated (Dig_Com)
Optional Analog I/O:
2 Input Channels/1 Output Channel
0 to 20 mA or ±12 VDC
80 kOhm Input Resistance Voltage Mode
243 Ohm Input Resistance Current Mode
500 Ohm Max Resistance Current Output
15 mA Max Current Voltage Output
16 Bits Resolution - Analog Output
14 Bits Resolution - Analog Input
±0.1% Drift Error Typical (50° C Range)
Zero Monotonic Error
Software Calibration
NOVRAM Calibration Storage
Optically Isolated (Dig_Com)
Physical
Construction:
NEMA4, 4X, 12, 13 IP65 Compatible Frontpanel
14 Line by 21 Character LCD Display
Sealed Membrane Keypad
Polycarbonate ABS Front Bezel
Paint over Zync Plate CRS Enclosure