500S1052-2
aka: 500U1052-2

Controller Display Bd. Assy 1900R

500S1054-2
aka: 500U1054-2

Controller Display Bd.

500S1096-2
aka: 500U1096-2

Display Bd. 1900R

500S1096-3
aka: 500U1096-3

Display Board 1900J

500S1160-1
aka: 500U1160-1

Processor Bd. 1900J

500S1162
aka: 500U1162

Power Supply 1900JA

500S1164-1
aka: 500U1164-1

Mother Bd. 1900JA

500S1164-2
aka: 500U1164-2

Mother Bd. 1900RA

500S1166
aka: 500U1166

I/O Board 1900J/R

500S1168
aka: 500U1168

Analog Option Board

500S1170
aka: 500U1170

Digital I/O Option Board - Version A

500S1338
aka: 500U1338

Digital Option Board - Version B

500S1360
aka: 500U1360

Processor Bd. 1900R

500S1370
aka: 500U1370

Power Supply 1900R/JB

500S1374-1
aka: 500U1374-1

Mother Bd. 1900JB

500S1374-2
aka: 500U1374-2

Mother Bd. 1900RB

500S1591
Version 4.1

1900J: Standard Firmware
EPROM: 28-Pin DIP

500S1607
Version 4.1

1900J: RS422 Firmware
EPROM: 28-Pin DIP

500S1609
Version 4.2

1900J: Totalizer Firmware
EPROM: 28-Pin DIP

500S1610
Version 4.2

1900J: Totalizer and RS422 Firmware
EPROM: 28-Pin DIP

500S1622
Version 3.2

1900R: Standard Firmware
EPROM: 32-Pin DIP

500S1623
Version 3.2

1900R: RS422 Firmware
EPROM: 32-Pin DIP

500S1624
Version 3.2

1900R: Totalizer Firmware
EPROM: 32-Pin DIP

500S1625
Version 3.1

1900R: Totalizer and RS422 Firmware
EPROM: 32-Pin DIP

500S1626
Version 3.2

1900R: Ramp/Soak Firmware
EPROM: 32-Pin DIP

500S1627
Version 3.1

1900R: Ramp/Soak and RS422 Firmware
EPROM: 32-Pin DIP

500S1628
Version 3.1

1900R: Ramp/Soak and Totalizer Firmware
EPROM: 32-Pin DIP

Bracket Support S.A.

500S1177

Transformer 1900J/RA

Cable Assembly
Display Board to Processor Board

500S1242

Cable Assy (P3)

Cable Assy (P4)

500S1373

Transformer 1900JB & 1900RB

Processor Board Ground Cable

500S1611

Transformer Insulator & Label

Chart Plate Hinge

500P1063

Housing (Case)

Door Latch Bracket

500P1126

Blank Face Plate

Gasket: Control Display Panel (Early Version)
Replace with 500P1544

500P1210

3 position rubber push button 1900J

4 position rubber push button 1900R

500P1228

Control Front Panel Sticker - Green

Control Front Panel Sticker - Red

500P1269

100 Ohm CJC Resistor

Door Latch Shims

500P1325

Chart Plate Latch Shims

Circuit Board Guide

500P1391

Display Board Protective Pad

Gasket - Control Display Panel

Complete Door S.A. without Door Lock
Recorders: 1911J, 1912J and 1913J

500S1006-2

Complete Door S.A. with Door Lock
Recorders: 1911J, 1912J and 1913J

Complete Door S.A. without Door Lock
Single Controllers: 1911R, 1912R and 1913R

500S1006-4

Complete Door S.A. with Door Lock
Single Controllers: 1911R, 1912R and 1913R

Complete Door S.A. without Door Lock
Dual Controllers: 1922R and 1923R

500S1006-6

Complete Door S.A. with Door Lock
Dual Controllers: 1922R and 1923R

Door latch Assy

500S1385

Bracket & Link Assy

Door Gasket

500P1084

Door Hinge

Window Retaining Bracket (Top and Bottom)

500P1086

Window Retaining Bracket (Right Hand)

Window Retaining Bracket (Left Hand)

500P1089-1

Bare Door

Door Window (Glass)

500P1091

Door Window Gasket

Window Retaining Bracket Gasket

500P1100

Window Retaining Bracket Gasket (Right Hand)

Window Retaining Bracket Gasket (Left Hand)

500P1140

Front Panel Display Window

Door Gasket and Retaining Spring

500P1318

Door Hinge Spacer

Display Circuit Board Shield

Chart Plate Assy 0 pen motors
No Pen Motors Supplied, Chart and Pen Lift motor only

500S1003-1

Chart Plate Assy 1 pen motor

Chart Plate Assy 2 pen motors

500S1003-3

Chart Plate Assy 3 pen motors

Dairy Chart Plate Assy: 3 pen motors
Standard STLR and HTST Version

500S1700-2

Dairy Chart Plate Assy: 3 pen motors
Dual Diversion Version

Pen Lift S.A.

500S1104-1

Pen/Chart drive motor

Pen lifter motor

500S1106

Back Plate S.A.

Pen Yoke S.A. (Blue Dot)

500S1108-2

Pen Yoke S.A. (Red Dot)

Pen Yoke S.A. (Green Dot)

500S1110

Chart Drive Gear S.A.

Toggle Switch (On-Off-On)

500S1220-2

Toggle Switch (On-Off-Mom)

Chart Plate Grounding Strap/Cable

500S1668

Pen Arm (Dairy)

Bare Chart Plate

500P1017

Chart Plate Gear (White)

Gear Spacer - White (0.556" long)

500P1030-7

Gear Spacer - Orange (0.147" long)

Gear Spacer - Purple (0.618" long)

500P1031-1

Chart Plate Hinge

Pen arm

500P1118-1

Yoke Return Spring

Chart Retaining Clips

500P1149-1

Spring Washer - 00.468

Chart Plate Gear (Grey)

500P1574

Chart Plate Door Stop

Relay: 2DPT, 10A, 24VDC (K1)
Potter & Brumfield: KRPA-11DG-24

115S629-1

Relay: Time Delay, 120VAC (TDR1)
Magnecraft: W214ACPSOX-1

Relay: DC Input, DPDT (CAR1)
Wilkerson Mighty Module: MM1000

115S630-1

Relay: 4PDT, 115VAC (K2)
Potter & Brumfield: KHU-17A11-120

Relay Board S.A. (Single Diversion)
Recorders: 1951J, Controllers: 1952R

125S2849-1

Relay Board S.A. (Dual Diversion)
Recorders: 1951J, Controllers: 1952R

22P1416

Transformer Terminal Stud Retaining Cup

500P1116

Display Ribbon Cable and Link Mounting Washer

500P1129

Display Ribbon Cable and Link Guide/Nut

500P1136-3

Cover and Front Panel Display Mounting Screw

500P1137-3

Recorder Display (500S1096) PCB Mounting Screw

500P1137-4

500P1137-5

500P1138-1

500P1139-1

Component (PCB), Motor Mounting Screw

500P1139-6

Transformer Cover, Latch, Hinge  Mounting Screw (Door Latch)

500P1139-9

Door Hinge and Door Latch Mounting Screw

500P1139-11

Hinge to Door, Cable Bracket Mounting Screw

500P1139-12

Transformer Mounting Screw (Version A)

500P1139-14

Circuit Board Grounding and Terminal Lug Mounting Screw

500P1139-16

Hinge to Chart Plate Ground Strap Mounting Screw

500P1146

Chart Plate Latching Screw

500P1155-1

Display Ribbon Cable Bracket and Link Mounting Screw

500P1155-2

Chart Plate Latch and Hinge Mounting Screw

500P1191-4

Door Hinge and Latch Mounting Nut (Door Latch)

500P1191-6

Transformer Terminal Stud Mounting Nuts

500P1190-3

Processor Board Ground, Motor Mounting Lockwasher

500P1190-4

Transformer Terminal Stud Mounting Lockwasher

500P1190-5

Transformer Mounting Lockwasher

500P1212-4

Transformer Mounting Stud Washer

500P1315

Chart Plate Latch Screw Washer

500P1322

Spade Lug Faston Tab
Chart Plate to Transformer Grounding Tab

500P1377

Ground and Transformer Mounting Stud

500P1387

Display Ribbon Cable and Link Mounting Spacer

500P1612

Spacer, Threaded (Version B)
Transformer Mounting Screw, Insulator Mounting Stud

543M60

Chart Plate Ground Strap Mounting Nut

546M11

Transformer Terminal Stud Mounting Brass Washer

548M27

Chart Plate Ground Strap Mounting Lockwasher

114S969
Specifications

EMI Line Filter (add-on)

500P1389

Door Lock Key

Door Lock S.A.
Key not included (Key: 500P1389)

CHART-LED-LO

Circular Chart LED Low-Output Illumination Kit
"Night-Light" version provides subtle viewing of traces
Only available as a in-house upgrade. Price includes labor

CHART-LED-HO

Circular Chart LED High-Output Illumination Kit
"Full-View" version provides clear night viewing of chart
Only available as a in-house upgrade. Price includes labor

WAS050SS

Stainless Steel 7/8" Hole Seal
Oil tight seal for unused openings

114S6003-C

Motherboard Fuse (3AG 0.10A)

114S6006-C

Model "B" Power Supply Fuse (Micro 4A)

129S1278

BATRAM (NVRAM)
Used on Version 6 and all Ramp/Soak models