Section 2 Introduction
VM-21P 3-Wire LVDT Signal Conditioner Instruction Manual
- 9 -
2.2.3 VM-21H BACKPLANE UNIT (sold separately) specifications
Power supply
1 24VDC
2 100-240VAC/DC
Terminal screw size
M3.5
Connector
specifications
MASTER: D-Sub25P (socket)
Housing lock screws: #4-40
Recommended connector for plug side: DB-25PF-N [Japan Aviation
Electronics Industry, Ltd.]
SLAVE: D-Sub25P
(socket)
Housing lock screws: #4-40
Recommended connector for plug side: DB-25PF-N [Japan Aviation
Electronics Industry, Ltd.]
OUTPUT: Panel connector 56P (socket)
Recommended connector for plug side: 00-8016-056 [Kyocera Elco
Corporation]
Number of signal
conditioner mounting
stands
8 Max.
Redundant power
supply
When selecting the power supply of 24V DC (VM-21H1), it is possible to make the
power supply redundant by inputting a secondary 24V DC power supply. However, a
redundant AC power supply, or a redundant power supply with input from an AC
power supply and a DC power supply are not possible.
Operation
temperature
0 to 50
°
C
Relative humidity
10 to 90%RH (no condensation)
Installation method
Rack-mounted, wall-mounted
Case material (color) SPCC (black)
Mass
Approx. 2.2kg (4.85lb)
▌
Terminal Arrangement
▐
Terminal
No.
Signal
1 INPUT(A)
2 INPUT(B)
3 INPUT(C)
4
5
T.P.OUT
－
6
T.P.OUT
＋
VM-21H
