Cut Sheet
2880 North Plaza Drive • Rapid City, SD 57702
(800) 843-8848 • (605) 348-5580 • FAX (605) 348-5685
www.symcominc.com • email: sales@symcominc.com
.........................................................................................................................................................................................................................
Specifications
Model RM-2000
SymCom warrants its microcontroller based products against defects in material or workmanship for a period
of five (5) years from the date of manufacture. All other products manufactured by SymCom shall be warranted
against defects in material and workmanship for a period of two (2) years from the date of manufacture. For
complete information on warranty, liability, terms, returns, and cancellations, please refer to the SymCom Terms
and Conditions of Sale document.
10/02
Control Voltage ....................115 VAC ±10%; 50-60 Hz
Transient Protection
(Internal)
2500 V for 10 ms
Power Consumption............3 Watts (max.)
Communication 1 Port for MS 777 1 Port for PC, PLC, etc.
Baud Rate ..........................9600 ..................................300-28800
Setup..................................Even Parity ........................None, Odd, or Even
1 Stop Bit Parity 1 or 2 Stop Bits
Protocol ..............................Modbus RTU ......................Modbus RTU
Serial Interface ..................RS485MS-2W ....................RS485MS-2W
Available Addresses ..........01 ......................................A01-A99
Real-time Clock
Battery Back-up Life ..........10 years @ 25˚C without external power
Last fault memory ..............Stores up to 4 faults with time and date stamp,
includes voltages and currents at time of trip
Output Relays (Option 1) ....Consult Factory for Function of Relays
Configuration......................Two Independent Electro-Mechanical Form C (SPDT)
Contact Material. ................Silver/Tin Oxide
Pilot Duty Rating. ..............240 VA @ 120 VAC
General Purpose Rating ....5 A @ 120 VAC
Analog Output (Option 2)
Types..................................0-20 mA, 4-20 mA, 0-5 VDC, 0-10 VDC
(specify with order, for others consult factory)
Output Signal......................KW, PF, Amps, or Volts
(Software Selectable)
Maximum Load
0-20 mA ......................400 Ω max.
4-20 mA ......................400 Ω max.
0-10 VDC ....................2 kΩ min.
0-5 VDC ......................2 kΩ min.
Accuracy ............................± 3% @ 25˚C
Isolation..............................1 kVrms
Analog/Digital Inputs
(Option 3) ........................Consult Factory
Environment
Class of Protection ............NEMA 3R
Ambient Operating
Temperature ......................-20˚ to 70˚C
Ambient Storage
Temperature ......................-30˚ to 70˚C
Humidity ............................Up to 85%, non-condensing
Enclosure
Dimensions ........................6" W x 6
3
/
8
" H x 1
1
/
16
" D
Weight ................................1.2 lbs.
Material ..............................Black polycarbonate
Display ................................Liquid Crystal with extended temp. range
Size ....................................2 rows x 20 characters
Lighting ..............................LED Back-Light
Keypad ..................................Eight 0.5" stainless steel dome buttons
for tactile feedback
Mechanical Life ..................50,000 actuations
Overlay Material ................Polyester
UV Exposure without
degradation ........................2000 hrs
Terminal ................................Depluggable terminal block
Side View
Front View
Back View




