ES-8869 Rev.4
6BSN
Field-mounted Two-wire
Signal Conditioners 6B-UNIT
INPUT LOOP POWERED ISOLATOR
Functions & Features
• IP66 / IP67 housing enables field mounting
• Stainless steel field housing selectable
• Isolator not requiring power supply with input 4 to 20 mA DC / 10 to 50 mA DC, output 4 to 20 mA DC
MODEL: 6BSN-0[1][2][3][4]
ORDERING INFORMATION
• Code number: 6BSN-0[1][2][3][4]
Specify a code from below for each of [1] through [4].
(e.g. 6BSN-0A0A1)
SAFETY APPROVAL
0
: None
[1] INPUT
A
: 4 – 20 mA DC
H
: 10 – 50 mA DC
[2] WIRING CONDUIT
0
: G 1/2
1
: 1/2 NPT
2
: M20 × 1.5
3
: PG 13.5
[3] ENCLOSURE MATERIAL
A
: Diecast aluminum
S
: Stainless steel casting
[4] MOUNTING BRACKET
0
: Without
1
: With
PACKAGE INCLUDES...
• Mounting screws
Bolt (M8 x 15): 4
Spring washer for M8: 4
Material
: Stainless steel 304
• Mounting bracket assembly (option):
Mounting bracket: 1
M10 U-bolt: 2
Nut for M10: 4
Spring washer for M10: 4
Material
: Stainless steel 304
Applicable pipe
: 1 1/2” min.; 2” max.
GENERAL SPECIFICATIONS
Degree of protection
: NEMA 4X, IP66/IP67
Wiring conduit:
See ‘Ordering information.’
Electrical connection
: M3 screw terminals
(torque 0.6 N·m)
Materials
•
Transmitter housing
: Diecast aluminum
Screw terminals
: Nickel-plated steel
•
Enclosure
: Diecast aluminum or stainless steel casting (equivalent to type 316); silver color, epoxy resin coated
Isolation
: Input to output to outdoor enclosure
Zero adjustment
: -0.5 to +0.5 % (behind the access cover)
Span adjustment
: 98.5 to 101.5 % (behind the access cover)
INPUT & OUTPUT
■
Input 4 – 20 mA DC / Output 4 – 20 mA DC
Equivalent input impedance
: 230 Ω + load resistance with 20 mA input
Operational range
: 3 – 22 mA DC
(Accuracy is assured within 4 – 22 mA)
Load resistance
: 350 Ω maximum; min. 50 Ω required for adequate operation
■
Input 10 – 50 mA DC / Output 4 – 20 mA DC
Equivalent input impedance
: 90 Ω + [load resistance x 0.16] with 50 mA input
Operational range
: 7 – 55 mA DC
(Accuracy is assured within 8 – 55 mA)
Load resistance
: 600 Ω maximum; min. 50 Ω required for adequate operation
•INPUT 4 – 20mA DC / OUTPUT 4 – 20 mA DC
•INPUT 10 – 50 mA DC / OUTPUT 4 – 20 mA DC
INSTALLATION
Operating temperature
: -5 to +70°C (23 to 158°F)
Weight
:
• Unit
Approx. 1.5 kg (2.9 lb), aluminium
Approx. 4.2 kg (8.8 lb), stainless steel
• Mounting bracket assembly (option)
Approx. 0.78 kg (1.72 lb)
PERFORMANCE in percentage of span
Accuracy
: ±0.1 %
Temp. coefficient
: ±0.02 %/°C (±0.01 %/°F)
Response time
4 - 20 mA DC input
: Approx. 45 msec. (0 – 90 %, 50 Ω load)
10 - 50 mA DC input
: Approx. 15 msec. (0 – 90 %, 50 Ω
load)
Load effect
(The unit is calibrated with 250 Ω load at the factory.)
•
4 – 20 mA input
:
0.015 %/Ω (50 – 150 Ω)
0.003 %/Ω (150 – 350 Ω)
•
10 – 50 mA input
:
0.015 %/Ω (50 – 100 Ω)
0.003 %/Ω (100 – 600 Ω)
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 500 V AC @1 minute
(input to output)
1500 V AC @1 minute (input or output to outdoor enclosure)
EXTERNAL DIMENSIONS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM