Status Instruments DM4000U - Page 77

CURRENT RETRANSMISSION BOARD (SOURCE AND SINK) OPTION
03
PERFORMANCE @20°C
Accuracy: 20uA (0.1% of Max current)
Resolution: 2uA (0.01% of the input range )
Response: 100ms for approx 63% of step change
Minimum Current O/P: 0mA
Maximum Current O/P: 21mA (approx)
Thermal Drift: 900nA/ºC (0.0045% of Max current /ºC )
Maximum loop impedance: 1000 ohms (Source)
Output voltage drop @20mA: 3 Volts (Source & Sink)
Maximum external loop power supply voltage: 30VDC (Sink)
Minimum practical loop power supply voltage: (R
L*
21mA)+3 (Sink)
Where R
L
is the Loop impedance
Ripple Current: Approx 5uA
Isolation: Input 500VAC )
Power Supply 2500VAC ) See safety information
Comms I/F 500VAC ) on page 8
VOLTAGE OUTPUT BOARD (OPTION 04) PERFORMANCE @20°C
Range: 2-24 volts DC
Accuracy: 24mV (0.1% of Max voltage)
Maximum Current O/P: 50mA
(xi)
Thermal Drift: 1080uV/ °C (0.0045% of Max voltage /°C)
Ripple: Approx 6mV
Fixed Voltage: 24V
Programmable Voltages: 2,2.5,3,3.5,4,4.5,5,6,7,8,9,10,12,15,20
Isolation: Input 500VAC (see safety
Power Supply 2500VAC (information
Comms I/F 500VAC (on page 8
APPENDICES
APPENDIX B
Page 77