Salter Brecknell 7550 - Manual (Page 13)

10
Standard Inputs:
Seven configurable logic level inputs for functions such as PB tare, print,
zero, units, select, gross, net, entrance and exit photoeye.
Standard Outputs:
Three outputs, open collector design
Relay power supply, 24 VDC at 150mA
Bi-directional serial port (RS-232 or RS-422/485 or
20mA current loop)
Serial Command Inputs:
Programmable serial response to ASCII character input
Self Diagnostics:
Display, keys, inputs, outputs, serial port,
A to D converter, load cell output display, voltages
Circuitry Protection:
RFI, EMI, and ESD protection
Operating Temperature:
-40 to 140° F (-40 to 60° C)
100% relative humidity including washdown
Enclosure:
NEMA 4X stainless steel enclosure
Dimensions:
12" W x 8" H x 4" D (without mounting bracket)
12.3" W x 11.0" H x 5.3" D (with mounting bracket)
Weight:
12.5 lb, 5.7 kg
Agencies:
NTEP Class III/IIIL:10,000d, COC #96-140.A1
Consumer and Corporate Affairs, Canada, #AM-5167
UL/CUL/CSA
FCC Class A