100/180 MM DISTRIBUTED GRAPHIC RECORDER: USER GUIDE
User Guide
Page 332
HA029324
Issue 11 Oct 14
A1 TECHNICAL SPECIFICATION (Cont.)
Power requirements
Voltage range:
19.2 to 28.8V dc. (24V dc ± 20%)
Ripple:
1 V max.
Max. power requirement (at 24V):
Small frame = 20 W; Large frame 24 W
Operating current (at 24V):
Small frame = 0.8 A; Large frame = 1Amp
Inrush current:
10 A max.
User termination:
4-way connector
Internal fusing:
No user replaceable fuses.
Back-up battery
Type
Poly-carbonmonofl uoride/lithium (BR2330). Part Number PA261095. See also
section B2.2
.
Support time
A new battery supports the Real-Time Clock for a minimum of 1 year with the recorder unpowered
Replacement period
3-years
Stored data
Time; date; values for totalisers, counters and timers; batch data; values for those maths functions with history,
such as Fvalue, Rolling average, Stopwatch etc.
Clock (RTC) data
Temperature stability
0 to 50˚C:
± 20 ppm
Ageing
±5 ppm per year
Touch screen
Colour TFT LCD with cold-cathode backlighting, fi tted with resistive, analogue, touch panel
Screen specifi cation
Small frame:
1/4 VGA Resolution = 320 x 240 pixels
Large frame:
XGA Resolution= 1024 x 768 pixels
Update information
Input sample rate:
8 Hz.
Display update:
8 Hz,
Archive sample value:
Latest value at archive time
Trended/displayed value:
Latest value at display update time
Ethernet Communications
Type
10/100 base T (IEEE802.3)
Protocols
TCP/IP, FTP, DHCP, BootP, Modbus, ICMP.
Cable Type:
CAT5
Maximum length:
100 metres
Termination:
RJ45
Isolation
IEEE802.3
RJ45 LED indicators
Green:
Indicates a 100MB link
Yellow:
Indicates Ethernet activity
Serial communications option
Number of ports
Two, at the rear of the recorder, on the underside
Protocol
ASCII input, Modbus master, Modbus slave. (Master/slave selected by switch settings as described in
section 2.2.2
)
Transmission standards
EIA485 (3-wire or 5-wire selected by switch settings as described in
section 2.2.2
)
Isolation
Functional
RJ45 LED indicators
Green:
Indicates 5-wire working
Yellow:
Indicates recorder transmit activity
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