M-7088-G/S has 8 PWM output channels and 8 counter inputs. It can be used to develop powerful and cost effective analog control system. PWM (Pulse width modulation) is a powerful technique for controlling analog circuits. It uses digital outputs to generate a waveform with variant duty cycle and frequency to control analog circuits. It can be used to controlling the position/speed of motors, dimming the brightness of lamps, the speed of fans, and many other devices.
The M-7088-G/S supports both the Modbus RTU and the DCON protocols, which can be configured via software. The M-7088 G/S allows the load voltage to be increased from +3.5 to +50 V for the 8-channels PWM (Pulse Width Modulation) output and the 8-channels high-speed counter.
| Communcation | |
| Interface | RS-485 |
| Bias Resistor | No (Usually supplied by the RS-485 Master. Alternatively, add a tM-SG4 or SG-785.) |
| Format | (N, 8, 1) (N, 8, 2) (E, 8, 1) (O, 8, 1) |
| Baud Rate | 1200 to 115200 bps |
| Protocol | DCON |
| Modbus RTU, DCON | |
| Dual Watchdog | Yes, Module (1.6 Seconds), Communication (Programmable) |
| LED Indicator/Display | |
| System LED Indicator | Yes, 1 as Power/Communication Indicator |
| I/O LED Indicator | 7-Segment |
| 7-Segment LED Display | Yes |
| Isolation | |
| Intra-module Isolation, Field-to-Logic | 2500 VDC |
| EMS Protection | |
| ESD (IEC 61000-4-2) | ±4 kV Contact for each Terminal |
| ESD (IEC 61000-4-4) | ±4 kV for Power Line |
| Surge (IEC 61000-4-5) | - |
| Power | |
| Reverse Polarity Protection | Yes |
| Voltage Range | +10 ~ +30 VDC |
| Power Consumption | 3.4 W |
| Mechanical | |
| Dimensions (L x W x H) | 123 mm x 72 mm x 35 mm |
| Installation | DIN-Rail or Wall Mounting |
| Environment | |
| Operating Temperature | -25°C ~ +75°C (-13°F ~ +167°F) |
| Storage Temperature | -40°C ~ +85°C (-40°F ~ 185°F) |
| Humidity | 10 to 95% RH, Non-condensing |
| Counter Input | ||
| Channels | 8 | |
| Contact | Wet | |
| Sink/Source (NPN/PNP) | Sink | |
| On Voltage Level | +3.5 ~ +50 VDC | |
| Off Voltage Level | +1 VDC Max. | |
| Programmable Filter | - | |
| Programmable Threshold Voltage | - | |
| Counter Bits | 32-bit | |
| Counter Mode | Up | |
| Encoder Mode | - | |
| Frequency Mode | - | |
| Virtual Battery Backup | Yes | |
| Frequency Accuracy | - | |
| Max. Speed | 1 Mhz | |
| PWM Output | ||
| Channels | 8 | |
| Type | PWM, TTL | |
| Sink/Source (NPN/PNP) | Sink | |
| Load Voltage | +5 ~ +50 VDC | |
| Max. Load Current | Sink | +50 VDC @ 200 mA/Channel |
| Source | - | |
| PWM | Frequency | 1 Hz ~ 500 KHz |
| Duty | 0.1 to 99.9% | |
| Mode | Burst, Continuous | |
| Burst Count | 1 to 65535 | |
| Trigger Start | Hardware or Software | |
| Power-on Value | - | |
| Safe Value | - | |
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