Spares; Strategic Spares - ABB 9438 User Manual

...10 SPECIFICATION
Specification – Transmitter
Transmitter Display
Measured value
5-digit x 7-segment back-lit l.c.d.
Information
16-character, single line, dot matrix, back-lit l.c.d.
Insulation, contacts to earth
2 kV r.m.s.
Set Point and Relay
No. of set points
One
Set point adjustment
Programmable as a concentration or diagnostics alarm
Set point hysteresis
±1% of f.s.d. (fixed)
Local set point annunciation
Red l.e.d.
Number of relays
One
Relay contacts
Single pole changeover
Rating: 250 V AC
3 A AC
Loading: (non-inductive)
(inductive)
Retransmission
Number of retransmission signals
One, fully isolated
Optional second current output
Output current
0 to 10, 0 to 20 or 4 to 20 mA programmable
Maximum load resistance
500 (20 mA maximum)
Serial communication
RS422/RS485 (optional, with one current output signal)
32
250 V DC maximum
3 A DC maximum
750 VA 30 W maximum
75 VA 3 W maximum

11 SPARES

Normal, replacement spares are shown in Fig. 11.1. Strategic
spares are listed below.

11.1 Strategic Spares

Part No. Description ................................................ Qty
9438 080 24V Power Supply Unit ................................... 1
0234 037 Solenoid Valve assembly ................................. 1
0216 574 Flow Gauge assembly ..................................... 1
0216 575 Needle Valve Cartridge assembly .................... 1
PCB Assemblies, Wall Mounted
9438 070 Complete Main PCB assembly, for
single current o/p .......................................... 1
9438 071 Complete Main PCB assembly, for
single current o/p + Serial/Modbus ............... 1
9438 072 Complete Main PCB assembly, for
2 current o/p version ..................................... 1
4600 0295 Display PCB assembly .................................... 1
4600 0335 Low Level D.O. Module assembly ................... 1
4600 0405 2nd Retransmission output module
assembly ....................................................... 1
PCB Assemblies, Panel Mounted
9438 075 Complete Main PCB assembly (cropped),
for single current o/p ..................................... 1
9438 076 Complete Main PCB assembly
(cropped), for single current o/p +
Serial/Modbus ............................................... 1
9438 077 Complete Main PCB assembly (cropped),
for 2 current o/p version ............................... 1
4600 0246 Power supply PCB assembly (cropped) .......... 1
4600 0285 Mother PCB assembly .................................... 1
4600 0335 Low Level D.O. Module assembly ................... 1
4600 0405 2nd Retransmission output module
assembly ....................................................... 1
Test Equipment
9439 950 Dissolved Oxygen Test Simulator .................... 1
9439 035 Test Simulator lead .......................................... 1