4 it-r specifications – K-Patents PR-03 User Manual
Page 99
99
99
99
99
9 Indicating transmitter specifications
93
9.3.2 Interconnecting cable model code
PART NUMBER AND DESCRIPTION
PART NO.
PR-8300 =
Interconnecting cable between transmitter and sensor
PR-8300
PR-8040 =
Interconnecting cable (-PC sensor option only)
PR-8040
(for connection between transmitter and disconnecting unit)
Cable length
-010 =
10 meters (33 feet), standard length
-010
-_ _ _ =
Specify cable length in meters with 10 meter increments.
-_ _ _
Maximum length is 100 meters (330 feet)
9.4 IT-R Specifications
Indicating transmitter
Transmitter protection class:
Enclosure IP66, Nema 4X
Indicating transmitter weight:
4.5 kg
Display:
256 x 128 pixels graphic liquid crystal display (LCD)
Current output:
4–20 mA/0–20 mA, max. load 1000 Ohm, galvanic isolation
1500 V DC or AC (peak), built-in hold function during prism
wash
Serial output:
RS485/RS232, galvanic isolation 500 V CD or AC (peak)
Power:
100–115 V/220–240 V, 50/60 Hz, 20 VA
Alarms:
Two built-in signal relays, max 24 V, 500 mA, DC/AC
Approved environmental conditions
Ambient temperature:
max. 50
◦
C (122
◦
F), min. 0
◦
C (32
◦
F)
Humidity:
20–100 %
Overvoltage category:
Category II
Pollution degree:
Degree 2
Interconnecting cable
Shielded cable, 2 twisted pairs with individual shields, 0.5 mm
2
Digital transmission according RS485
Interconnecting cable length:
Standard 10 m (33 ft), max. 100 m (330 ft)
Cable fittings options:
European cable glands or US conduit hubs
9.4.1 Fuses
The following 250 V fuses according to IEC 60127 are printed on circuit board PR-7030:
Fuse F1, F2 : 5 x 20 mm, T1A (slow)
AC Main power protects electronics against
wrong primary voltage
Fuse F3
: 5 x 20 mm, T63 mA (slow)
4-20 mA output protection
Fuse F4
: 5 x 20 mm, T2A (slow)
Secondary main fuse
Fuse F5
: 5 x 20 mm, T500 mA (slow)
Sensor power protection
Fuse F6
: 5 x 20 mm, T500 mA (slow)
Serial bus protection
Fuse F7
: 5 x 20 mm, T1A (slow)
Processor card protection
Important:
For a CSA-Certified instrument use only CSA-Certified fuses F1, F2, F4-F7.