User’s Guide Shop on line at www.omega.com e-mail: info@omega.
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PREFACE MANUAL OBJECTIVES This manual shows you how to install and use the Dual-Relay option board with the DPF700 meter.
TABLE OF CONTENTS 1.1 UNPACKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 1.2 SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 2.1 INSTALLING THE DUAL-RELAY OPTION BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 2.2 SETTING UP THE DUAL-RELAY OPTION BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 2.3 ELECTRICAL CONNECTION . . . . .
1 1.1 UNPACKING Remove the Packing List and verify that all equipment has been received. If there are any questions about the shipment, use the phone number for the Customer Service Department nearest you. Upon receipt of shipment, inspect the container and equipment for any signs of damage. Take particular note of any evidence of rough handling in transit. Immediately report any damage to the shipping agent.
2 2.1 INSTALLING THE DUAL-RELAY OPTION BOARD To install the dual-relay option board, follow these steps (refer to the Figure 2-1): ! ! CAUTION: The meter has no power-on switch, so it will be in operation as soon as you apply power. IMPORTANT: Disconnect the power from the unit before installing this option board. 1. Hold the board in a horizontal position, with the TB3 connector facing towards the rear of the meter. 2.
2 2.2 SETTING UP THE DUAL-RELAY OPTION BOARD You may enter a setpoint from -99999 to 999999 with a decimal point in any of the following positions: 9.9.9.9.9.9. After applying the scale factor and offset, the displayed measurement is compared to the setpoint values. LO ALARM Displayed value is less than Setpoint LO HI ALARM Displayed value is more than Setpoint HI HYSTERESIS Relay 2 is energized when display value is more than Setpoint HI.
2 2.2 SETTING UP THE DUAL-RELAY BOARD (Continued) STANDARD RELAY OPTION (RELAY ON OR ENERGIZED) ON 99.9 RELAY 1 (LO) RELAY 2 (HI) SET POINT ON OFF 0 RELAY 1 (LO) RELAY 2 (HI) OFF OFF 500.1 99.9 ON OFF OFF ON OFF OFF OFF ON RELAY OPERATION WITH HYSTERESIS (RELAY ENERGIZED) ON RELAY 1 (LO) RELAY 2 (HI) SET POINT RELAY 1 (LO) RELAY 2 (HI) ON OFF 0 OFF OFF 500.1 99.9 ON OFF OFF ON OFF ON OFF Figure 2-2.
2 2.3 ELECTRICAL CONNECTION AND SPECIFICATION Each relay has a form C contact. Refer to Figure 2-1 and Figure 2-3 to locate contacts and S5 switch. * Install S5-A to control Relay 2 with hysteresis action. * Install S5-B to control Relay 2 with setpoint HI. * TB3-1 is a normally closed contact of relay 1. * TB3-2 is a normally open contact of relay 1. * TB3-3 is a common contact of relay 1. * TB3-4 is a normally closed contact of relay 2. * TB3-5 is a normally open contact of relay 2.
3 3.1 RELAY OUTPUT OPTION BOARD SPECIFICATIONS 2 Form "C" on/off relays. Configurable for latched and unlatched by software. Max Current: 5 Amps, resistive load.
MADE IN USA WARRANTY/DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase. OMEGA Warranty adds an additional one (1) month grace period to the normal one (1) year product warranty to cover handling and shipping time. This ensures that OMEGA’s customers receive maximum coverage on each product. If the unit should malfunction, it must be returned to the factory for evaluation.
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