Dataforth SCM9B-A2000 Series Manual do utilizador - Página 3
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3 SCM9B-A1000 & SCM9B-A2000 USERS MANUAL
SPECIFICATIONS
Max Common Mode Voltage: 1500Vrms, 1 minute duration.
NRZ asynchronous data format; 1 start bit, 7 data bits, 1 parity bit and 1
stop bit.
Baud Rates: 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600,
115200.
Temperature Range: Operating and Storage: -25 to +70°C Ambient.
Relative Humidity: 0 - 95% Noncondensing.
SCM9B-A1000 Power Specifications
Power Requirements: 115 or 230 Vac ±10%, 50-60 Hz.
Power Consumption: 30W Full Load.
Power Supply Output: +24Vdc @ 1A.
SCM9B-A2000 Power Specifications
Power Requirements: +10 to +30Vdc unregulated.
Power Consumption (@+15Vdc): Max. Current w/RS-485 output
short,100mA.
Idle Current w/LEDs off, less than 10mA.
MECHANICAL AND DIMENSIONS
Case: Impact resistant ABS.
Weight: 2.8 lbs.(SCM9B-A1000), 1.0 lb.(SCM9B-A2000).
Dimensions:
RS-485 Connectors: Phoenix screw terminal barrier plug (supplied).
Replace with Phoenix MSTB 2.5/4 ST 5.08 or equivalent.
Warranty: 3 years on workmanship and materials.
CONNECTIONS
The SCM9B-A1000 and SCM9B-A2000 have three connectors located
on the rear panel, two RS-485 connectors and one RS-232 connector.
The RS-485 connectors are 4 position screw-terminal plugs labelled RS-
485 IN and RS-485 OUT. The RS-232 input connector is a female
subminiature DB-9 connector labelled RS-232 IN. The functional
description of each terminal is labelled directly above the connector on
the rear panel. The RS-485 descriptions are all preceded by letters which
correspond to the color coded wires used in standard telephone cable:
(B) Black, (R) Red, (G) Green and (Y) Yellow. All DATAFORTH hardware
using RS-485 contains this color coded nomenclature. Figures 1A & 1B
show the rear panel connections for the SCM9B-A1000 & SCM9B-
A2000.
8.08"W x 2.50"H x 6.25"D (SCM9B-A1000).
7.06"W x 1.53"H x 5.30"D (SCM9B-A2000).