ES-2622 Rev.7
ABM2
Final Control Elements
POSITIONER BACKUP STATION
(with bargraph/digital indicator)
Functions & Features
• Bargraph indicator
• Digital display indicating PV/CAS/MV selectable
• External contact closure to switch operation modes
• Valve positioner incorporated
• Re-transmitted outputs available for valve position and manual status
• Potentiometer, voltage or current input for setpoint
• DIN size
Typical Applications
• Computer and DCS backup applications
• Controlling electric valves from a computer
• Manual damper position control
• Remote manual control of electric valves
MODEL: ABM2-[1][2][3][4]-[5][6]
ORDERING INFORMATION
• Code number: ABM2-[1][2][3][4]-[5][6]
Specify a code from below for each of [1] through [6].
(e.g. ABM2-RAAA1-M2/Q)
• Specify the specification for option code /Q
(e.g. /C01/S01)
• Scale (Refer to 'SCALE PLATE' section for details on the scale.)
[1] BAR LED COLOR
R
: Red
Y
: Amber
G
: Green
B
: Blue
[2] CAS INPUT (CAS)
Current
A
: 4 – 20 mA DC (Input resistance 250 Ω)
Voltage
6
: 1 – 5 V DC (Input resistance 1 MΩ min.)
4W
: -10 – +10 V DC (Input resistance 1 MΩ min.)
5W
: -5 – +5 V DC (Input resistance 1 MΩ min.)
[3] POSITION SETPOINT INPUT (PV)
Current
A
: 4 – 20 mA DC (Input resistance 250 Ω)
Voltage
6
: 1 – 5 V DC (Input resistance 1 MΩ min.)
Potentiometer
R
: Total resistance 100 Ω – 10 kΩ
[4] RE-TRANSMITTED OUTPUT (MV)
Current
A1
: 4 – 20 mA DC (Load resistance 350 Ω max.)
output range -15 - +115 %
A2
: 4 – 20 mA DC (Load resistance 350 Ω max.)
output range 0 - 100 %
Note: Select '/A2' to use with same output range as ABM.
[5] POWER INPUT
AC Power
M2
: 100 – 240 V AC (Operational voltage range 85 – 264 V,
47 – 66 Hz)
DC Power
R
: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
[6] OPTIONS
blank
: none
/Q
: Options other than the above (specify the specification)
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to our web site.)
/C01
: Silicone coating
/C02
: Polyurethane coating
/C03
: Rubber coating
TERMINAL SCREW MATERIAL
/S01
: Stainless steel
SPARE PARTS
• Scale plate
GENERAL SPECIFICATIONS
Construction
: Panel flush mounting
Degree of protection
: IP65; applicable to the front panel for single unit mounted according to the specified panel cutout
Connection:
M3 separable screw terminal (torque 0.6 N·m)
Solderless terminal
: Refer to the drawing at the end of the section.
Recommended manufacturer
: Japan Solderless Terminal MFG. Co., Ltd., Nichifu Co., Ltd.
(Solderless terminals with insulation sleeve do not fit.)
Applicable wire size
: 0.25 to 1.65 mm
2
Screw terminal
: Nickel-plated steel (standard) or stainless steel
Housing material
: Flame-resistant resin (gray)
■ BUTTONS
Manual output switching
: With CAS (cascade) - MAN (manual) selector ('OUT'), it is available to switch between cascade control outptting to follow CAS input signal and manual operation.
MAN control button
▲▼: Change setting value. For MAN mode control positioning output.
Digital display selector (IND)
: Switches between CAS input, PV input, MV outout, Version display, User Zero setting, User Span setting or Deadband.
■ FUNCTIONS
Manual status contact
: Turns on when manual operation is available
Isolation
: CAS input to PV input to MV output or remote output switch command to positioning output to MAN status output to power
■ SCALE PLATE
: Flame resistant resin
(replaceable at the front; white scale & characters on black base)
Scale
: Max. 4 characters including decimal point and negative sign
•
Divisions
: Min. 21, max. 43.9
•
Engineering unit
: Max. 4 characters (Unit other than % also can be specified)
■ LEDs
CAS output LED
: Red LED turns on in CAS mode.
MAN output LED
: Red LED turns on in MAN mode.
CAS/Z LED
: Red LED turns on, CAS input % indication with 7 segments LED.
Green LED turns on while user zero setting indicated with 7 segments LED.
PV/S LED
: Red LED turns on, PV input % indication with 7 segments LED.
Green LED turns on while user span setting indicated with 7 segments LED.
MV/DZ LED
: Red LED turns on (MAN mode is included), MV output % indication with 7 segments LED.
Green LED turns on while deadband value indicated with 7 segments LED.
IMF. LED
: Red LED turns on, the firmware version indicated with 7 segments LED.
Green LED turns on but Not Used.
■
USER ZERO SETTING, USER SPAN SETTING
It is available to change Zero and Span of PV input.
• User Zero setting range: 0.0 to 49.9% (factory default: 0%)
• User Span setting range: 50.0 to 100.0% (factory default: 100%)
■
DEADBAND
Setting range: 1.0 to 10.0% (factory default: 1.0%)
Hysteresis: 0.5 % fixed
■Recommended solderless terminal
BARGRAPH/DIGITAL DISPLAY
■
BARGRAPH
: PV input is shown.
LED
: 55 segments, 55.5 mm (2.19") long, 3.0 mm (.12") wide. Display -4 to +104 % by 2 % step (for 0 %, 3 segments are on from bottom), for below -4 %, the bottom segment is on.
■
DIGITAL INDICATOR
: CAS input, PV input, MV output (No scaling, display range: -15.0 to +115.0 %
LED
: 4 digits, red, 10 mm (.39") high, 24 mm (.94") wide
Decimal point position
: One decimal places fixed
Scaling range
: -15 to +115.0%
Zero indication
: Higher-digit zeros are suppressed.
Over-range indication
: 'Hi' is displayed when display exceeds scaled range.
Under-range indication
: 'Lo' is displayed when display exceeds scaled range.
INPUT SPECIFICATIONS
■
CAS input
• DC Current
Input resistor incorporated
■
PV input
• DC Current
Input resistor incorporated
Min. span
: ≥ 50% of input spec.
• DC Voltage
Min. span
: ≥ 50% of input spec.
• Potentiometer
Total resistance
: 100 Ω – 10 kΩ
Min span
: ≥ 50% of total resistance
Reference voltage
: 1 V DC
■
Remote output switching
: External contact closure switches the ABM2 to MAN mode when the CAS-MAN selector is at CAS position (Not switched with MAN position. Refer to the table 1)
Sensing (open)
: Approx. 4.5 V DC
ON voltage
: ≤ 1 V DC
ON resistance
: ≤ 10 kΩ
OFF voltage
: ≥ 2.6 V DC
OFF resistance
: ≥ 49.9 kΩ
OUTPUT SPECIFICATIONS
MV output
Conformance range
:
• A1
: -15 to +115 %
• A2
: 0 to 100 %
■
Positioning Output
:
Rated load
:
240 V AC or 30 V DC @ 1 A (resistive load)
For maximum relay life with inductive loads, external protection is recommended.
Mechanical life
: 5 × 10
7
cycles
Maximum switching voltage
: 250 V AC or 125 V DC (0.2 A) (resistive load)
Maximum switching power
: 250 VA or 30 W (DC) (resistive load)
■
Manual status output
: Photo MOS relay
Rating
: 240 V AC or 30 V DC @ 100 mA
ON resistance
: 25 Ω
Permissible
: 400 mW
INSTALLATION
Power consumption
•
AC
: (with max. load)
Approx. 4 VA at 100 V
Approx. 5.5 VA at 100 V
Approx. 6.5 VA at 264 V
•
DC
: Approx. 2 W
Operating temperature
: -5 to +55°C (23 to 131°F)
Operating humidity
: 10 to 90 %RH (non-condensing)
Mounting
: Panel flush mounting
Weight
: Approx. 300 g (0.66 lb)
PERFORMANCE in percentage of span
Accuracy
: Input + output conversion accuracy
•
Input conversion accuracy
: ±0.2 %
•
Mv output accuracy
: ±0.5 %
Display accuracy
:
•
Bargraph
: ±1 digit
•
Digital indicator
: ±1 digit
Temp. coefficient
: ±0.015 %/°C (±0.008 %/°F)
Manual output resolution
: 0.1 %
Response time
: ≤ 0.5 sec. (0 – 90 %) between PV and MV
Line voltage effect
: ±0.2 % over voltage range
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 1500 V AC @ 1 minute
(CAS input to PV input to MV output or remote output switch command to positioning output to MAN status output to power to ground)
STANDARDS & APPROVALS
EU conformity
:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
Low Voltage Directive
EN 61010-1
Measurement Category II (positioning output, manual status output)
Installation Category II
Pollution degree 2
Remote output switch command or CAS input or PV input to
positioning output or power: Reinforced insulation (300 V)
Positioning output to MV output to power: Reinforced
insulation (300 V)
RoHS Directive
SCALE PLATE
EXTERNAL VIEW
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
PANEL CUTOUT unit: mm
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM