Encoder Interface - Omron FZ5 Series Hardware Setup Manual

6 I/O Interface
6-2

Encoder Interface

Encoder interface (open corrector type) is supported only FH-1000/2000/3000/5000 series.
Precautions for Safe Use
• Do the following confirmations again before turning on the power supply.
- Is the voltage and polarity of the encoder power (ENC0 VDD/ENC0 GND/ENC1 VDD/ENC1
GND) supply? (5 VDC)
• Use only the cables designed specifically for the product. Use of other products may result in
malfunction or damage of the product.
• Always turn OFF the FH Sensor Controller's power before connecting or disconnecting a
camera or cable. Connecting the cable with power supplied may result in damage of the
camera or peripheral devices.
• For the cable that is flexed repeatedly, use the robotic cable type (Bend resistant camera
cable) to prevent damages.
• Do not apply torsion stress to the cable. It may damage the cable.
• Secure the minimum bending radius of the cable. Otherwise the cable may be damaged.
Precautions for Correct Use
• Check the following items on the communications cables that are used in the network.
• Are there any breaks?
• Are there any shorts?
• Are there any connector problems?
• When you connect the cable to the communications connectors on devices, firmly insert the
communications cable connector until it locks in place.
• Do not lay the communications cables together with high-voltage lines.
• Do not lay the communications cable near devices that generate noise.
• Do not lay the communications cables in locations subject to high temperatures or high
humidity.
• Do not lay the communications cables in locations subject to excessive dirt and dust or to oil
mist or other contaminants.
Interface Specification
Item
Input voltage
Input impedance
Differential input voltage
Hysteresis voltage
Maximum response frequency
*1. Value when the terminal resistance function is used.
*2. Use this interface as paying attention to the cable length and response frequency of the encoder used.
6 - 44
Input voltage: 5 VDC ±5% Signal level: EIA Standard, RS-422-A line
driver level
*1 120 Ω ±5%
High-level input voltage: 0.1 V
Low-level input voltage: -0.1 V
60 mV
Phase A/B/Z: 1 MHz
*2
(When using an I/O cable, model FH-VR 1.5M)
Specifications
Vision System FZ5 series Hardware Setup Manual (Z423)