Handbook
November 2011 / 59-UMC0071 / Issue 01
Mercury iTC
Page 116
TECHNICAL SPECIFICATIONS
Original Instructions
The unit can accommodate silicon-diode sensors (constant current supply).
The unit detects short-circuit inputs, open-circuit inputs, and inputs that are shorted to
ground.
The unit can store calibration files for sensors and can automatically set range-limits
from the calibration file.
The user does not need to set the zero or the span for calibrated sensors.
11.4 Heater outputs
The output is filtered with co-wound inductors and decoupling capacitors.
The output is protected against short-circuits.
The unit has a dead-man’s-handle timer that disables the heater outputs if the control
loop stalls.
11.5 PC interfaces
Table 11-4 Specifications of heater outputs
Item Specification
Basic unit - heater outputs. Single fully-controlled 80 W output. Upgradeable to 4
fully-controlled 80 W outputs.
Maximum output current. 2 A
Voltage compliance limit. 40 V
Load resistance range 20 Ohms to 120 Ohms
Output resolution 18 bit
Table 11-5 PC interface specifications
Item Specification
Serial interface RS232 + ISOBUS
Serial interface 2 USB
GPIB IEEE-488 (optional)
Ethernet 10/100 IEE802.3
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