BenchMark 320/BM470 Marking System
34753A 5 of 10
BM470 CONTROLLER
Specifications
The BM470 controller specifications are subject to
change without notice.
Compliance .................. CE, RoHS
Rating ......................... NEMA 1 (I. P. 30)
Mounting Configuration.. Tabletop
Dimensions.................... see the BM470 Controller
Dimensions drawing
Weight ........................ 1.68 kg (3.69 lb) controller only
Power Requirements...... 95 to 250 VAC, 2 amps, 50-60
Hz, single phase
Operating Temperature ...0° to 50°C (32° to 122°F),
non-condensing
Operating Humidity ....... 10% to 80% non-condensing
Cooling.......................... Internal, thermostatically
controlled fan
Communications ........... TTL, RS232, and USB*
Input Signals** .............. Two available (Start Print,
Stop/Abort)
10 VDC (minimum voltage)
30 VDC (maximum voltage)
12 to 24 VDC (nominal voltage)
2.3 mA @ 12 VDC;
4.9 mA @ 24 VDC (nominal
current)
** USB for data backup and transfer
** Additional I/O signals available with the optional
BM470+ Enhanced Communications Software
Environmental Considerations
The following environmental considerations must be
taken into account when installing the BM470
controller.
Contaminants. The vented and fan-cooled
controller is rated NEMA 1 (I. P. 30). In
environments where solid or liquid contaminants are
present, the contaminants can be drawn into the
controller and cause the electronic components to
fail. For that reason, in these types of
environments, the controller must be located in a
sealed industrial enclosure.
EMI Susceptibility. Although the system has been
found to be in compliance with pertinent
susceptibility standards, care should be taken when
installing near welders and other extreme
generators of electromagnetic interference (EMI).
Particular care should be taken to ensure welder
currents are not injected through the marking head
chassis. The marking head chassis is connected to
the electrical service earth ground through the
marking head cable. The marking head should be
electrically isolated from all surfaces which could
become part of a welder current path.
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