Module Type Controllers

Modular Controllers (Process/Temperature Controllers)
SRV series

  • Measurement accuracy: ±0.3% of displayed value
  • Sampling time: 0.5 sec.
  • 2 control loops per module
  • Digital input/output option
  • Up to 31 modules can be connected
  • Temperature
  • Main features
  • Main specification
  • External dimensions
  • Models

Main features

2-channel control per module with less wiring

One compact module enables 2-channel control.

Power supply and communication lines of extended modules are consolidated on the connecting connector for wire saving.

Event input/output function is optionally available

Event input/output function are optionally available to enable linking to external devices.

Main specification

  • Number of Inputs: 2 points (Standard type: V-TIO-A/B)
    1 point (Heat/Cool type: V-TIO-D)
  • Input type (Universal input within each input group) : ※See the Input Range Code for the input range.
    1) Thermocouple, DC voltage (low) group
    Thermocouple: K,J,R,S,B,E,N,T,W5Re26/W26Re,PLII
    DC voltage (low): 0 to 100mV dc
    2) RTD group
    RTD: Pt100, JPt100 (3-wire system)
    3) DC voltage (high) and DC current group
    DC voltage (high) input: 0 to 5V dc, 1 to 5V dc, 0 to 10V dc
    DC current input: 0 to 20mA dc, 4 to 20mA dc
  • Sampling time: 0.5 second
  • Measurement accuracy : ±0.3% of displayed value+1 digit) ※Depends on the input and the range.
  • Output
    1) Relay contact output : 1a contact
    2) Voltage pulse output for SSR driving: 0/12V dc
    3) DC Current output : 0 to 20mA, 4 to 20mA
    4) DC voltage output: 0 to 5V, 1 to 5V, 0 to10V
  • Event function (max. 2 points): Temperature alarm, control loop break alarm
  • Heater break alarm: CT input: 2 points (1 point per channel)
  • Communication interface: RS-485

<Optional specification>

  • Event input
    Number of input: 1 point (dry contact input)
    Input function: Control start/stop, Interlock release, whichever is specified.
  • Event output
  • Number of output: 2 points. Relay contact output
  • Output function: Event 1 status, Event 2 status, Burnout status, Heater break status, Control loop break (LBA) status, Temperature rise
  • completion status
    ※Please specify one of the above

General Specification

  • Power supply voltage (Rating): 24Vdc
  • Allowable ambient temperature: -10 to 50°C
  • Weight: Basic module: approx.210g (with event I/O), approx.180g (without event I/O)
    Extension module: approx.200g (with event I/O), approx.170g (without event I/O)
  • Safety standards:

UL UL61010-1
cUL CAN/CSA-22.2 NO.61010-1
CE Marking: Low Voltage Directive (LVD) EN61010-1  EMC Directive EN61326-1
RCM EN55011

External dimensions