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Versatronik
502 & 502D
Communication Gateway
MODBUS
Document Applicable to:
Versatronik 502 & 502D NR2/Modbus
Versatronik 502 NR2/MODBUS P/N 704087
Versatronik 502D NR2/MODBUS P/N 704088
Applicable Controls
Vitocontrol-S, MW1 and MW2
Vitotronic 300-K, MW1B and MW2B
Vitotronic 100, GC1/GC1B
Vitotronic 300, GW2
Vitotronic 300, GW5B
Vitotronic 200, HO1
Vitodens 200 B2HA
Technical, Installation and Configuration Information
Cautionary Statement
The information presented in this document is
only to be used by those familiar with its
application and use.
IMPORTANT
Read and save these instructions for
future reference
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Table of Contents
Related Manuals for KWE Versatronik 502
Summary of Contents for KWE Versatronik 502
- Page 1 ® Versatronik 502 & 502D Communication Gateway MODBUS Document Applicable to: Versatronik 502 & 502D NR2/Modbus Versatronik 502 NR2/MODBUS P/N 704087 Versatronik 502D NR2/MODBUS P/N 704088 Applicable Controls Vitocontrol-S, MW1 and MW2 Vitotronic 300-K, MW1B and MW2B Vitotronic 100, GC1/GC1B...
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Page 2: About These Instructions
About these instructions Take note of all symbols and notations intended to draw attention to potential hazards or important product information. These include “WARNING”, “CAUTION” and “IMPORTANT”. See below. Warnings draw your attention to WARNING the presence of potential hazards or important product Indicates an imminently hazardous information. -
Page 3: Important Regulatory And Installation Requirements
National Codes. Purpose of Device and Operation The Versatronik 502 gateway provides a communication translation between applicable controls and DDC systems which are capable of MODBUS communications. - Page 4 Versatronik 502 This page is intentionally left blank...
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Page 5: Installation
Installation Mounting Versatronik Gateway—120VAC Unit Mounting Steps 1. Mount Versatronik 502 Gateway in a convenient location near the connected boiler controls control. Remove cover by loosening the two screws on either side of base to release the cover. 2. Fasten base to wall using field-supplied WARNING screws/fasteners. -
Page 6: Connection Overview
Installation Mounting Versatronik Gateway—24VAC DIN Rail Unit Mounting Steps 1. Mount Versatronik 502D Gateway onto DIN rail within an enclosure in a convenient location near the boiler controls. 2. Make all the necessary connections including the field supplied 24VAC power connection. - Page 7 Versatronik 502 Dial Setting Overview Rotary Dial Setting Setting Overview 1. The rotary dial setting on the Versatronik Gateways provides addressing information for systems that may utilize a number of Versatronik Gateways. It is not required to make adjustments to the rotary dial setting.
- Page 8 The RJ45 is plugged into the control and terminates into the RJ45 socket inside of the Versatronik 502 gateway. 3 Versatronik 502 gateway. 4 Modbus wiring connections 5 Plug-in power cord for 120VAC Versatronik 502 Modbus connections gateways.
- Page 9 The RJ45 is plugged into the control and terminates into the RJ45 socket inside of the Versatronik 502 gateway. 3 Versatronik 502 gateway. 4 Field wiring for Modbus connection to terminals A and B. 5 Field supplied 24VAC power supply for gateway.
- Page 10 1 A 3’/91cm CAT-5 cable is supplied with the gateway. The RJ45 is plugged into the control and terminates into the RJ45 socket inside of the Versatronik 502 gateway. Vitocontrol-S will need LON card !" ...
- Page 11 A and B 1 A 3’/91cm CAT-5 cable is supplied with the gateway. The RJ45 is plugged into the control and terminates into the RJ45 socket inside of the Versatronik 502 gateway. 2 Versatronik 502 gateway.
- Page 12 Ensure necessary LON communication card installed. 1 A 3’/91cm CAT-5 cable is supplied with the gateway. The RJ45 is plugged into the control and terminates into the RJ45 socket inside of the Versatronik 502 gateway. !" ...
- Page 13 The RJ45 is plugged into the control and terminates into the RJ45 socket inside of the Versatronik 502 gateway. " " 2 Versatronik 502 gateway. 3 Field wiring for Modbus connection to terminals A and B.
- Page 14 !" #$ & & 2 Versatronik 502 gateway. 3 Field wiring for Modbus connection to terminals A and B. 4 Plug-in power cord for 120VAC Versatronik 502 gateways. 5 Refer to boiler manual with...
- Page 15 control and terminates into the RJ45 socket inside of the " " Versatronik 502 gateway. 2 Versatronik 502 gateway. 3 Field wiring for Modbus connection to terminals A and B. 4 Field supplied 24VAC power supply for Versatronik gateway.
- Page 16 (default). Refer to the Vitocontrol-S manual address 79:01. The LON participant number must be assigned in each of the Versatronik 502 gateway units. Service Refer to the rotary dial setting Diagnosis and ensure there are no Actuator duplicates.
- Page 17 Terminate Service? Refer to the Vitocontrol-S manual address 79:01. The LON participant number must be assigned in each of the Versatronik 502 gateway units. Refer to the rotary dial setting Service Functions and ensure there are no Participant Check duplicates.
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Page 18: Led Operation
Modbus Information Overview: Wiring RS-485 Network COM1 terminals A and B are used. The A and B naming convention may differ across manufacturers. Refer to individual wiring/installation pages in this manual. A=(+) non-inverting B=(—) inverting Termination and Bias This device does not have a termination resistor installed ... -
Page 19: Modbus Information
Modbus Information Registers Do not read more than 40 Registers This device considers Holding Registers and simultaneously, and do not exceed address Input Registers Identical; the same data will 78 or an exception response will be be found in either. produced. - Page 20 Modbus Information Continued Holding Register Description Notes Units Writeable Zone/Cascade/Boiler Zone M3 Writeable Curve Slope 0.1 Resolution Writeable Zone/Cascade/Boiler Zone M3 Writeable Curve Room °C/°F Writeable Temp. Normal Zone/Cascade/Boiler Zone M3 Writeable Curve Room °C/°F Writeable Temp. Reduce Zone/Cascade/Boiler Zone M3 Writeable Supply Set-Point °C/°F Writeable Units (0-Celsius, 1-Fahrenheit)
- Page 21 Modbus Information Continued Holding Register Description Notes Units Writeable Zone/Cascade/Boiler Zone A1 Curve Shift °K Read-Only Zone/Cascade/Boiler Zone A1 Curve Slope 0.1 Resolution Read-Only Zone/Cascade/Boiler Zone A1 Curve Room Temp. Normal °C/°F Read-Only Zone/Cascade/Boiler Zone A1 Curve Room Temp. Reduce °C/°F Read-Only Zone/Cascade/Boiler Zone M2 Supply Set-Point...
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Page 22: Fault Codes
Fault Codes Appendix A—Fault Codes Error codes for Viessmann control units based on controls/equipment installed Fault Code (hex) Fault Code (Dec) Description System without fault Perform maintenance check-up Short circuit, outdoor temperature sensor Interruption, outdoor temperature sensor Short circuit, supply temperature sensor HC1/system Interruption, supply temperature sensor HC1/system Short circuit, boiler water temperature sensor Interruption, boiler water temperature sensor... -
Page 23: Appendix A-Fault Codes Continued Error Codes For Viessmann Control Units Based On Controls/Equipment Installed
Fault Codes Continued Appendix A—Fault Codes Continued Error codes for Viessmann control units based on controls/equipment installed Fault Code (hex) Fault Code (Dec) Description Fault, speed controlled pump heating circuit 1 (KM-BUS) Fault, speed controlled pump heating circuit 2 (KM-BUS) Fault, speed controlled pump heating circuit 3 (KM-BUS) Fault, water level control Fault, maximum pressure... -
Page 24: Status Information
Status Information Appendix B—Status Information x = always available for this device k = dependent on configuration of device n = not available for this device Relay State bit 2 : DHW tank loading pump bit 2 : Re-circulation pump bit 2 : Heating circuit pump 1 bit 2... - Page 25 Technical Information—120VAC !" #$ & & F1 160mA & PCB Identifiers Specifications 120VAC Power Supply Connections Voltage Requirements 120VAC Fuse Fuse Rating 160mA Time Delay Service Button Power Modbus Connections to BMS Communication Supplied cable Connections...
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Page 26: Technical Information
Technical Information " " PCB Identifiers Specifications 24VAC Power Supply Connections Voltage Requirements 24VAC Power LED indicator Fuse Rating Power Communication Supplied cable Connections between devices COM4 RJ45 Connection to control COM3 for multiple BUS connections CAUTION Service button Static sensitive components may... - Page 27 Notes...
- Page 28 KWE Technologies Group 750 McMurray Road Waterloo, Ontario, Canada N2V 2G5 Tel: (519) 747-5042 Fax: (519) 747-4448 www.kwe-tech.com info@kwe-tech.com...
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