Thermo Scientific Micro-Tech 9101 Reference Manual page 39

Description
Processor
Display/HMI
Removable Storage
RAM Battery
Speed Inputs (Inputs #1, #2)
Frequency range
Low or High Pulse Duration
Hysteresis
Input impedance
Input source current
Max. non-destructive input voltage
Minimum required for scale use
Digital Output (Output #5)
Standard Communication Serial Interface UART 0
Thermo Fisher Scientific
Specification
Coldfire MCF5234 32-bit microprocessor
2 MB Flash memory
128K NVRam
2 Integrated UARTs and Ethernet communication peripherals.
16 keys membrane keypad
4 multi-color LEDs
320 x 240 pixel monochrome backlit LCD display
QVGA resolution with an aspect ratio of 4:3
Support of non-western character sets (such as Russian,
Chinese, and so forth)
USB flash driver port
Life expectancy of the RAM support battery is a minimum of 10
years, if power is not applied. Under normal operation where
power is on continuously, life expectancy is much longer.
Optically isolated. Powered by + 24VDC supply.
Built-in current source for dry contact use. (Gold plated contacts
recommended)
Voltage/current type sensor: 0.25 to 2.0 kHz.
Contact closure type sensor: 0.25 to 30 Hz.
Low threshold: +1.3 VDC min.
High threshold: +2.2 VDC max.
Voltage/current type sensor: 200 us min.
Contact closure type sensor: 15 ms min.
0.8 VDC minimum.
10 k-ohm typical, 500 ohm minimum.
-2 mA nom. at 0 VDC.
±28 peak, continuous.
1000 pulse/minute at nominal belt speed.
Able to drive TTL, CMOS, or relay solenoids.
Current sinking driver.
+24 VDC internal supply, 100mA DC maximum.
RS-232C provides support for modem.
RS-485; 2 and 4 wire multi-drop.
Data rate: 110 to 19200 bits/second, operator selectable from
the keypad. Data format: Asynchronous, bit-serial, selectable
parity, data length, and stop bits.
Optical isolation: 250 VRMS max. Input Voltage: ±30 Vdc max.
(RS-232C) ±15/-10 Vdc max. (RS-485).
Cable length: RS-232C, 50ft [15m] max; RS-485, 4000 ft
Micro-Tech 9101/9201 Reference Manual, Rev J
Introduction
Specifications
1-21