METASYS
HVAC
BUILDING MANAGEMENT
SYSTEM CONTROL PRODUCTS
PROGRAMMABLE CONTROLLERS VMA16 ( 32-BIT ), VMA18 , AND VMA1930 METASYS CONTROLLERS
TECHNICAL SPECIFICATION
Controller Addressing For BACnet-configured controllers
DIP switch set : valid field controller device addresses 4 – 127 ( device addresses 0 – 3 and 128 – 255 are reserved )
3 rotary switches to assign a unique number for each controller on the subnet to identify it in the For BACnet / IP controllers
CCT controller configuration tool for uploading , downloading , and commissioning For N2-configured controllers DIP switch set ; valid control device addresses 1 – 254
Communications Bus RS-485 , field selectable between BACnet MS / TP and N2 communications :
N2 / FC Bus : 1.5 mm ( 18 AWG ) standard 3-wire , twisted , shielded cable recommended between the supervisory controller and field controllers
MS-VMA16xx , MS-VMA18xx models BACnet MS / TP : 0.6 mm ( 22 AWG ) stranded , 4-wire ( 2-twisted pairs ) shielded cable recommended from the VMA controller for network sensors and other sensor / actuator devices ; includes a terminal to source 15 VDC supply power from VMA to SA Bus devices
Note : For more information , refer to the MS / TP Communications Bus Technical Bulletin ( LIT-12011034 ) MS-VMA1930-0 BACnet / IP : Two Ethernet ports ; 10 / 100 Mbps ; 8-pin RJ-45 connector
Processor MS-VMA16 ( 32-bit ), MS-VMA18 RX630 32-bit Renesas ® microcontroller
MS-VMA1930-0 RX63N 32-bit Renesas microcontroller
Memory MS-VMA16 ( 32-bit ), MS-VMA18 1 MB Flash Memory and 512 KB RAM
MS-VMA1930-0 16 MB serial flash memory and 8 MB of SDRAM Input and Output Capabilities
MS-VMA1615-x , MS-VMA1617-x
3 - Universal Input : Defined as 0 – 10 VDC , 0 – 600k ohm , or Binary Dry Contact 2 - Binary Outputs : Defined as 24 VAC Triac ( internal power source )
MS-VMA1626-x , MS-VMA1628-x , 3 - Universal Input : Defined as 0 – 10 VDC , 0 – 600k ohm , or Binary Dry Contact MS-VMA1630-x , MS-VMA1632-x , 3 - Binary Outputs : Defined as 24 VAC Triac ( internal power source ) MS-VMA1656-x , MS-VMA1826-x ,
2 - Configurable Outputs : Defined as 0 – 10 VDC or 24 VAC Triac BO
MS-VMA1832-x , MS-VMA1930-0
Analog Input / Analog Output Accuracy
Analog Input 15-bit resolution on UIs Analog Output 0 – 10 VDC ± 200 mV
Differential Pressure Transducer Range : -1.5 in . to 1.5 in . W . C . Performance Characteristics : Accuracy ± 1.3 % Full Span Maximum (± . 039 in . w . c .) Note : Combined error due to offset , non-linearity , and temperature variation . Typical accuracy at zero ( null ) pressure is +/ -0.2% fullscale Note : Includes error due to non-linearity .
Mounting Mounts to damper shaft using single set screw and to duct with single mounting screw . Actuator Rating 4 N • m ( 35 lb • in .) minimum shaft length = 44 mm ( 1-3 / 4 in .) Dimensions
165 mm x 125 mm x 73 mm
Height x Width x Depth Center of Output Hub to Center of Captive Spacer : 135 mm
Weight
0.65 kg Johnson Controls declares that this product is in compliance with the essential requirements and
Compliance other relevant provisions of the EMC Directive and RoHS Directive .
MS-VMA16xx and MS-VMA18xx models : BACnet Testing Laboratories ( BTL ) Protocol Revision 7 Listed BACnet Application Specific Controller ( B-ASC )
BACnet International
MS-VMA1930-0 : BACnet Testing Laboratories ( BTL ) Protocol Revision 18 Listed and Certified BACnet Advanced Application Controller ( B-AAC )
130 European Products Catalogue 2021