This document is about the quick installation guide of SRP981 pneumatic positioner, introducing how to install it on linear actuator and rotary actuator, as well as how to do pneumatic connection.
This Quick Guide provides step‑by‑step instructions for installing the SRP981 pneumatic positioner on linear or rotary actuators, connecting pneumatic and electrical lines, and configuring the device for operation. It references the full Master Instruction and Product Specification Sheet for detailed information.
The guide also explains how to set zero and travel limits, adjust damping, select the appropriate spring range, and calibrate the optional 4‑20 mA position transmitter. Safety warnings and troubleshooting tips are included. This manual is written in Chinese.
| Supply pressure | 1.4 – 6 bar |
|---|---|
| Supply voltage (optional 4‑20 mA transmitter) | DC 11 – 48 V |
| Pneumatic input signal (w) | Variable (depends on actuator) |
| Output I thread (y1) | G1/8 internal thread |
| Output II thread (y2) – double‑acting only | G1/8 internal thread |
| Optional position transmitter | 4‑20 mA analog output |
| Spring range – Yellow | Stroke 8 – 34 mm |