FloBoss 407 Instruction Manual
Rev 5/00 2-33
FloBoss 407 Specifications
PROCESSOR
NEC V25+ running at 10 MHz.
MEMORY
Program:
512 Kbyte flash ROM (electrically
programmable) for firmware, configuration, etc.
Data:
512 Kbyte battery-backed SRAM.
Memory Reset:
When used during power-up, Reset
switch enables a cold start from factory defaults.
TIME FUNCTIONS
Clock Type:
32 kHz crystal oscillator with regulated
supply, battery-backed. Year/Month/Day and
Hour/Minute/Second.
Clock Accuracy:
0.01%.
Watchdog Timer:
Hardware monitor expires after
1.2 seconds and resets the processor. Processor
restart is automatic.
DIAGNOSTICS
These values are monitored and alarmed: RAM
validity/operation, analog input mid-scale voltage,
power input voltage, and board temperature.
COMMUNICATIONS PORTS
Operator Interface:
EIA-232 (RS-232D) format.
Software configured; 300 to 9600 BPS baud rate
selectable. Screw-cap protected connector.
COM1:
EIA-232 (RS-232D) format for general use.
Software configured; 300 to 9600 BPS baud rate
selectable. Eight-terminal connector provided on I/O
board.
COM2:
Serial or modem interface, with optional
communications card. Nine-terminal connector
provided on I/O board.
POWER
Input:
11 to 30 Vdc. 0.8 W typical, excluding power
for input sourcing, I/O modules, MVS, and communi-
cations card.
Loop/Source:
Normally 23 Vdc minimum provided
for transmitter power at the “+T” terminals (25 mA
maximum) and at the “A” terminals on the modular
I/O channels.
ANALOG INPUTS (BUILT-IN)
Quantity/Type:
1 or 2 single-ended voltage-sense
(current loop if scaling resistor is used).
Terminals:
“+T” loop power, “+” positive input, “-”
negative input (common).
Voltage:
0 to 5 Vdc, software configurable. 4 to 20
mA, with a 250 ohm resistor installed across terminals
“+” and “-”.
ANALOG INPUTS (CONTINUED)
Accuracy:
0.1% over operating temperature range.
Impedance:
One megohm.
Filter:
Double-pole, low-pass.
Resolution:
12 bits.
Conversion Time:
30 microseconds.
PULSE INPUT (BUILT-IN)
Sample Period:
50 ms minimum.
Quantity/Type:
1 high-speed source or isolated
pulse counter input when PI jumper is set.
Terminals:
“+T” source power, “+” positive input, “-”
negative input (common).
Voltage:
8 to 30 Vdc (ON state); 0 to 4 Vdc (OFF
state).
Frequency:
10 kHz maximum.
Sample Period:
50 ms minimum.
MVS INTERFACE
Type:
High-speed, multi-drop, serial interface with
power for as many as 4 MVS units located up to 4000
feet from the FloBoss.
Terminals:
“A” and “B” for data; “+” and “-” for power.
Polling Period:
1 sec max.
I/O MODULES (OPTIONAL)
Four slots provided for optional I/O modules. Any
type and combination of I/O modules can be used.
FRONT-PANEL USER INTERFACE
Display:
2 line by 20 character LCD. Overall size is
0.75 by 3.25 inches.
Keypad:
15 multi-function, membrane keys. Keys
allow numerical entries.
ENVIRONMENTAL
Operating Temperature:
-40 to 75 °C (-40 to 167
°F), excluding display, which is -20 to 70 °C (-4 to
158 °F).
Storage Temperature:
-50 to 85 °C (-58 to
185 °F).
Operating Humidity:
To 95% non-condensing.
Vibration:
Less than 0.1% effect on overall accu-
racy when tested to SAMA PMC 31.1, Section 5.3,
Condition 3.
ESD Susceptibility:
Meets IEC 801-2, Level 3.
EMI Susceptibility:
Meets IEC 801-4, Level 4.
RFI Susceptibility:
No effect on operation of unit
when tested per SAMA PMC 33.1 in field classified
as 3-abc with field strength of 30 V/m, circuit board
properly mounted, and doors closed.
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