Bridging a direct digital controller to a pneumatic actuator, this transducer converts a 0-5 V DC input into a 0-10 psi branch output. Dual valves hold branch pressure between corrections, so the transducer draws air only when the setpoint moves. It keeps an installed actuator in service under electronic control.
Bridging a direct digital controller to a pneumatic actuator, this transducer converts a 0-5 V DC input into a 0-10 psi branch output. Dual valves hold branch pressure between corrections, so the transducer draws air only when the setpoint moves. It keeps an installed actuator in service under electronic control.
The EPC Series are electric to pneumatic transducers which convert an analog input signal to a proportional pneumatic output, modulating its control valve(s) to regulate the branch line pressure to the set point determined by the input signal. The EPC series offers four selectable input ranges. Output pressure ranges are jumper shunt selectable and adjustable in all ranges. A feedback signal indicating the resultant branch line pressure is also provided.
Features
Applications
| Output Pressure Range | Field Calibration Possible: 0 to 20 psig (0 to 138 kPa) maximum |
| Output Pressure Accuracy | | 1% room temperature 2% full scale across |
| Feedback Signal Output Range | 0 to 5 V DC = Output Span |
| Input Signal Source (@ Impedance) | 0 to 5 V DC @ infinite Ω | 0 to 10 V DC @ infinite Ω | 0 to 15 V DC @ infinite Ω | 0 to 20 mA / 250Ω |
| Output | Supply valves @ 25 psig (172.38 kPa) main/20 psig (137.9 kPa) out, 2300 scim |
| Dry Contacts | 24 V DC/VAC @ 1A maximum, N.O. in AUTO operation (Optional: N.O. in MAN operation) |
| Manual / Auto Override Switch | MAN funciton = output can be varied | AUTO function = output is controlled from input signal Manual / Auto Override Feedback |
| Supply Current | 500 mAAC, 200 mADC Maximum |
| Supply Voltage | 24 V AC (± 10%), 50/60 Hz, 24 V DC (+10% / -5%) |
| Connections | Wire Size | 90° Pluggable Screw Terminal Blocks | 16 (1.31 mm2) to 26 AWG (0.129 mm2) |
| Terminal Block Torque Rating | 0.5 Nm (Minimum); 0.6 Nm (Maximum) Connections | Pneumatic Tubing Size- 1/4" O.D. nominal (1/8" I.D.) polyethylene |
| Air Flow | Branch Line requires 2 in3 / 33.78 cm3 (min.) | Min. 25 ft of 1/4" O.D. poly branch tubing Furnished with integral-in-barb 80 to 100 micron filter (Part #PN004) except for EPC2LG which is furnished |
| Air Supply Pressure | Maximum 25 psig (172.369 kPa), minimum 22 psig (151.69 kPa) |
| Filtering | With external 5 micron in-line filter (PN021) |
| Pneumatic Fitting | Removable brass fittings for Main & Branchc in machined manifold, Plugged 1/8-27-FNPT gauge port |
| Operating Humidity Range | 10 to 95% non-condensing |
| Operating Temperature Range | 35 to 120°F (1.7 to 48.9°C) |
| Storage Temperature Range | -20 to 150°F (-28.9 to 65.5°C) |
| Enclosure Options (Box Options) | Painted steel housing has mounting flange with four holes for sheet metal screws |
| Snaptrack Flammability Rating | UL94 V-0 |
| Snaptrack Material | Polyvinyl Chloride (PVC) |
| Product Dimensions (L x W x H) | 3.40 x 3.80 x 1.75" (86.4 x 96.5 x 44.4 mm) |
| Product Weight | 0.46 lbs (208 g) |
| Agency Approvals | RoHS2, WEEE |
| Output Pressure Range | Field Calibration Possible: 0 to 20 psig (0 to 138 kPa) maximum |
| Output Pressure Accuracy | | 1% room temperature 2% full scale across |
| Feedback Signal Output Range | 0 to 5 V DC = Output Span |
| Input Signal Source (@ Impedance) | 0 to 5 V DC @ infinite Ω | 0 to 10 V DC @ infinite Ω | 0 to 15 V DC @ infinite Ω | 0 to 20 mA / 250Ω |
| Output | Supply valves @ 25 psig (172.38 kPa) main/20 psig (137.9 kPa) out, 2300 scim |
| Dry Contacts | 24 V DC/VAC @ 1A maximum, N.O. in AUTO operation (Optional: N.O. in MAN operation) |
| Manual / Auto Override Switch | MAN funciton = output can be varied | AUTO function = output is controlled from input signal Manual / Auto Override Feedback |
| Supply Current | 500 mAAC, 200 mADC Maximum |
| Supply Voltage | 24 V AC (± 10%), 50/60 Hz, 24 V DC (+10% / -5%) |
| Connections | Wire Size | 90° Pluggable Screw Terminal Blocks | 16 (1.31 mm2) to 26 AWG (0.129 mm2) |
| Terminal Block Torque Rating | 0.5 Nm (Minimum); 0.6 Nm (Maximum) Connections | Pneumatic Tubing Size- 1/4" O.D. nominal (1/8" I.D.) polyethylene |
| Air Flow | Branch Line requires 2 in3 / 33.78 cm3 (min.) | Min. 25 ft of 1/4" O.D. poly branch tubing Furnished with integral-in-barb 80 to 100 micron filter (Part #PN004) except for EPC2LG which is furnished |
| Air Supply Pressure | Maximum 25 psig (172.369 kPa), minimum 22 psig (151.69 kPa) |
| Filtering | With external 5 micron in-line filter (PN021) |
| Pneumatic Fitting | Removable brass fittings for Main & Branchc in machined manifold, Plugged 1/8-27-FNPT gauge port |
| Operating Humidity Range | 10 to 95% non-condensing |
| Operating Temperature Range | 35 to 120°F (1.7 to 48.9°C) |
| Storage Temperature Range | -20 to 150°F (-28.9 to 65.5°C) |
| Enclosure Options (Box Options) | Painted steel housing has mounting flange with four holes for sheet metal screws |
| Snaptrack Flammability Rating | UL94 V-0 |
| Snaptrack Material | Polyvinyl Chloride (PVC) |
| Product Dimensions (L x W x H) | 3.40 x 3.80 x 1.75" (86.4 x 96.5 x 44.4 mm) |
| Product Weight | 0.46 lbs (208 g) |
| Agency Approvals | RoHS2, WEEE |
