Write to variable area -10, Write to variable area – Rockwell Automation 900 Temperature Controller Communications Functions - Series B User Manual
Page 26

Publication 900-UM004D-EN-E - July 2010
2-10
Bulletin 900 Communications Procedures 900-TCx (CompoWay/F)
Write to Variable Area
This service writes to the controller’s variable areas.
• Variable Type and Write Start address
For details on variable types and write start addresses, refer to Chapter 3,
Communications Data.
• Bit position
Bit accessing is not supported on the 900-TCx controller. Fixed to 00.
• Number of elements
Table 2.10
Number of Elements
Process
0000
The write operation is not performed (do not
append write data to the service request PDU)
and processing ends in normal completion.
Double word
0001…0018 (1…24)
The write operation is performed and processing
ends in a normal completion.
Word
0001…0030 (1…48)
Write Data
(for number of elements)
Number of elements x 8 or 4
Number of
Elements
4
Bit
Position
0
0
2
Write Start
Address
4
Variable
Type
2
2
0
0
2
2
1
MRC
SRC
Service Request PDU:
Service Response PDU:
MRC
SRC
Response
Code
0
0
1
2
2
2
4
- 20P PowerFlex DC Drive - Frame D Bimetal Thermostat (10 pages)
- 1336S_F_T_E_R F Frame Snubber Resistor Repl. (6 pages)
- 22-COMM PowerFlex 4-Class DSI (Drive Serial Interface) Network Communication Adapter (4 pages)
- 8-545 Plug In Solid State Relay (2 pages)
- 20-HIM-B1 PowerFlex 7-Class HIM Bezel (DPI) (4 pages)
- 100 Contactors with DC Coil (1 page)
- 100 Contactors with DC Coil (2 pages)
- 20P PowerFlex DC Drive - Frame D Switching Power Supply Circuit Board (6 pages)
- 140G-MTFx_MTHx_MTIx_MTKx Trip Unit Installation-140G-M (6 pages)
- 45BRD Analog Laser Sensor (4 pages)
- 20D Multi-Device Interface Option Board for PowerFlex 700S Drives (20 pages)
- 56RF RFID 18 mm Cylindrical Transceiver (2 pages)
- 42KC Miniature Rectangular: 5V DC Version (2 pages)
- 20P PowerFlex DC Drive - Frame A Switching Power Supply Circuit Board (16 pages)
- 21P-MISC-A-TP-2 Transition Tube Kit #C19-6/7 For PowerFlex 755 w/OEM Liquid Cooling Fr 6/7 Drive (2 pages)
- 42BT Background Suppression Sensor (3 pages)
- 42CB High Speed 18mm Cylindrical (4 pages)
- 140EX-JE2_JE3 Molded Case Circuit Breaker (4 pages)
- 140G-K-EAM1A Early Make Aux Contact for Rotary Handle Oper Mech-140G-K (1 page)
- 140G-K-EAM1A Early Make Aux Contact for Rotary Handle Oper Mech-140G-K (3 pages)
- 20-HIM-A6 PowerFlex (Human Interface Module) (74 pages)
- 42CF General Purpose 12mm Cylindrical (4 pages)
- 20D PowerFlex 700S Phase II Drive Frames 1...6 (80 pages)
- 140EX-HE1_HE2 Molded Case Circuit Breaker (6 pages)
- 140EX-HE1_HE2 Molded Case Circuit Breaker (4 pages)
- 20B PowerFlex 700 Custom Firmware - Pump Off (12 pages)
- 20-WIM-N4S DPI Wireless Interface Module (92 pages)
- 140U H-Frame Circuit Breaker Fixed and Adjustable Thermal Trip (7 pages)
- 140U H-Frame Circuit Breaker Fixed and Adjustable Thermal Trip (2 pages)
- 60-2619, 42JS Swivel/Tilt Mounting Bracket (1 page)
- 22A PowerFlex 4/40/400 Flange Mount (4 pages)
- 45MLA Controller Installation Instructions (16 pages)
- 20P PowerFlex DC Drive - Cooling Fan for Frame A Drives Above 73A at 230V 460V AC (6 pages)
- 42JS Series 7000 to 42JS VisiSight Replacement Kit (2 pages)
- 22A PowerFlex 4-Class HIM Bezel (DSI) (4 pages)
- 42CS Stainless Steel Photoelectric Sensors (4 pages)
- 20L-LL PowerFlex 700L Liquid-to-Liquid Heat Exchanger (40 pages)
- 20P PowerFlex DC Drive - Frame B SCR Modules (20 pages)
- 22B PowerFlex 40 Quick Start FRN 5.xx - 6.xx (161 pages)
- 22B PowerFlex 40 Quick Start FRN 5.xx - 6.xx (22 pages)
- 22F PowerFlex 4M Input RFI Filters (2 pages)
- 45LFM Capacitive Label Sensor (4 pages)
- 140G-Rx Installation Instruction-140G-R (2 pages)
- 140G-Rx Installation Instruction-140G-R (29 pages)
- 22C PowerFlex 400 AC Drive Quick Start - FRN 1-4.xx (28 pages)