VMS4SE(Vibration Monitor)
REF NO: mVMA/om/101
Issue No: 01
Non volatile, restored after power loss
3.4 Communication Specification
NO. OF COMMUNICATION
PORT
2-RS485(COM-1 and COM-2) . COM2 is Optional
MODBUS RTU (Baud rate and Parity bit are selectable). All
parameters are Configurable through MODBUS Protocol.
COMMUNICATION ERROR
DETECTION
3.5 PROFIBUS Communication (Optional) *
9600, 19.2K, 44.45K, 93.75K, 187.5K, 500K, 1.5M, 12M bps(Auto Detected)
Configurable through Configuration Software (0 to 125 Only)
Multi-drop up to 31 modules, Plus a host, without a repeater
Up to 125 modules plus a host if four repeaters are used (i.e. one for every
31 nodes)
Up to 1200 meters without a repeater using Type A wire (<30pF/m).
1200m @ 115Kbps or less
1000m @ 187.5Kbps
400m @ 500Kbps
200m @ 1.5Mbps
100m @ 12Mbps
Note : * - With Profibus communication , CE marking is not applicable/valid.
3.6 HMI Interface (Optional)
NO. OF COMMUNICATION PORT
MODBUS RTU (19.2kpbs, 8-data bits, 2-stop bits)
COMMUNICATION ERROR DETECTION
3.7 Network Connectivity (Optional)
NO. OF COMMUNICATION PORT
3.8 Data logging (Optional)
Flash Nonvolatile Memory (32 MB)
Periodic and Event(Alarm)
Periodic Logging sampling time
1(USB mass storage device , USB 2.0)
For retrieving logged data only
Max. USB Mass storage device size
USB Mass storage device format