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Yokogawa GRAMMABYS170
Product Overview:
The GRAMMABYS170 (Grammaby S170) is a single-channel (1-ch) paperless recorder from the Yokogawa Grammaby product line. This device provides compact, economical process data recording with digital display, alarm functions, and USB data export capability. It is designed as a cost-effective replacement for chart recorders in single-point monitoring applications.
Detailed content
Technical Specifications:
| Parameter | Specification |
|---|---|
| Number of Channels | 1 channel |
| Display | Monochrome LCD (128 × 64 dots) with LED backlight |
| Memory Capacity | 2 MB internal (approximately 300,000 data points) |
| Input Types | DC mA (4-20mA, 0-20mA), DC V (0-5V, 1-5V, 0-10V), TC (K, J, T, E, R, S, B, N), RTD (Pt100, JPt100, Cu50, Ni100) |
| Sampling Rate | 500 ms (standard) |
| Recording Interval | 1 second to 60 minutes |
| Accuracy | ±0.2% of span (DC input), ±0.3% of reading (TC/RTD) |
| Alarm Outputs | 2 relay outputs (SPDT, 250VAC/3A or 30VDC/3A) |
| Communication | RS-232C, USB (front panel) |
| Power Supply | 100-240 VAC, 50/60 Hz or 24 VDC |
| Operating Temperature | 0°C to +50°C (+32°F to +122°F) |
| Dimensions (W×H×D) | 96 × 96 × 110 mm (DIN 96×96 mm cutout) |
| Weight | Approximately 0.4 kg |
| Certifications | UL, CSA, CE, FCC Class A |
Functional Features:
- Trend display with adjustable time base (1 min to 24 hours)
- Bar graph display for real-time process value visualization
- USB memory stick export — CSV format compatible with Excel
- Password protection — 3 access levels (Viewer, Engineer, Administrator)
- Event recording — up to 100 manual events with timestamp
- Recorder emulation mode — mimics traditional circular chart appearance
Structure Characteristics:
- DIN 96×96 mm front panel — standard instrument cutout
- Snap-in DIN rail mounting with rear bracket
- Screw-type terminal blocks — tool-free field wiring
- Front panel USB port for data export and firmware updates
Applicable Industries:
- Water Treatment — Single-point flow or level recording
- Small Manufacturing — Temperature monitoring for quality control
- HVAC — Supply air temperature recording
- Agriculture — Greenhouse temperature and humidity logging
- Educational/Laboratory — Process data acquisition for training
Installation Requirements:
- DIN 96×96 mm panel cutout for panel mounting
- Power supply: Verify voltage rating (100-240VAC or 24VDC) on nameplate
- Ground terminal connection mandatory
- Input cable: Use shielded cable for TC/RTD; unshielded acceptable for mA/V
Usage Precautions:
- Do not exceed input range specifications — permanent damage will result
- Calibrate annually using traceable reference standards
- Export data before power interruption — unsaved data is lost
- Operating temperature must remain below +50°C
- Replace internal backup battery every 5 years
