Number of phase: Single-phase.
Control terminal block: Screwless clamp terminal block.
Type: Constant current.
Capacity: 20 A, 100 to 240 VAC.
Heater burnout detection: Yes.
Communications: Yes.
High-precision Control with Easy Setup,
Precise heater burnout detection.
Set value and present value monitoring with indicators GRT1-OD4G-3 REFERENCE MANUAL.
Phase control or optimum cycle control GRT1-OD4G-3
RS-485 communications to set manipulated variables and,
monitor load current.
Total run time monitoring.
Output modes for phase control: proportional to phase angle,
proportional to voltage, proportional to square voltage,
and constant-current control.
Application with various loads: constant load resistance,
variable load resistance GRT1-OD4G-3 REFERENCE MANUAL.
UL, and IEC/EN (TÜV) certified. Terminal (Wire connection): Screw terminal.
Classification: Microloads.
Latching lever (Test switch): No.
Rated input voltage: AC, 230V.
Global standard size, low profile slim.
I/O relay with width 6.2 mm.
Realized about 25% lower profile than conventional.
products, contributing to further miniaturization of the control panel.
Realized opening and closing ability with one pole 6 A slim shape GRT1-OD4G-3 REFERENCE MANUAL.
Micro load products for one pole 50 mA using Au-plated.
contacts for small load switching also available.
Since G2RV is a transparent case, confirming the state of,
the contact with the naked eye is possible, and easy to,
confirm abnormality on-site (installed location).
Screw terminal is also stocked to meet the screw type needs.
Mounted relay uses plug-in terminals that are difficult to,
bend when exchanging. Input capacity: 16 points.
Rated current (ON current): 0.5 A/output,
4.0 A/common.
Internal I/O common: PNP.
Residual voltage: 1.2 V max.
(0.5 ADC, between each output,
terminal and the V terminal)
Leakage current: 0.1 mA max.
ON delay: 0.5 ms max.
OFF delay: 1.5 ms max.
Number of circuits per common:
8 points/common.
Output indicators: LED display (yellow).
Isolation method: Photocoupler isolation.
I/O power supply method: Supply by I/O power supply.
Output device supply current: 100 mA/point.
Unit power supply current consumption: 90 mA max.
(for 20.4 to 26.4-VDC power supply voltage)
I/O power supply current consumption: 5 mA max.
(for 20.4 to 26.4-VDC power supply voltage)
Weight: 370 g max.
Expansion functions: No.
Output handling for communications errors:
Select either hold or clear.
Short-circuit protection function: No.
A common terminal is provided for each contact.
It eliminate the needs for relay terminal blocks.
It is unnecessary to share the common terminal,
among multiple conntacts GRT1-OD4G-3 Manual.
Easy-to-find wiring locations.
Detachable screw terminal block facilitates the maintenance.
Input response time can be switched for high-speed processing.
Selectable node address setting methods: setting with rotary,

switch and with tool software GRT1-OD4G-3 Manual.
When setting the nodes with rotary switch, setting is easy and,
node identification becomes possible for maintenance.