3129 digital display specifications – Bird Technologies 3129 Display User Manual
Page 60

44
3129 Digital Display Specifications
Alarm
Alarm Relay
Relay Contact Rating
VSWR set points
Alarm Stimulus
Alarm Response
Alarm Reset
Alarm Power Up
Dry, contacts, with common, normally
open, and normally closed connections
(form C)
100 Vdc @ 0.5 A
1.3 to 2.5:1 by 0.1 steps, measurement
limited by max input power
VSWR, high forward power, low forward
power
Turn on red LED; trip relay; set software
flag; set alarm line low (<0.2V); Send email
Response time is inversely proportional to
the overload
Push button on BPM-E
Push button on 3129 digital display
Ethernet or RS-232 command TTL low
(Vdc=0 to +0.8 V)
Alarm defaults to fail-safe (alarm on
when unit is not powered
Environmental
Operating Temp
Storage Temp
Humidity
Altitude
0 to +50 °C (+32 to 122 °F)
–20 to +80 °C (–4 to +176 °F)
95% max. (non-condensing)
3000 m (10,000 ft.) above sea level
CE
CE compliant
Calibration Cycle
> 1 year
Recommended Calibration
Cycle Interval
User defined
Dimensions
See See “Line Section Sizes” on
page 49
Weight, Nominal
Display
20 character LCD with LED backlight
RS-232 Serial Port
Connector
Protocol
Male DB-9
RS-232, 9600 baud, no parity, 8 data bits,
1 stop bit, no handshake
Power/Alarm Parallel Port
Male DB-15 connector