Terminal Block Connections All inputs and outputs are made through screwless spring-actuated terminal blocks. The spring clamp can be actuated using the plastic lever included or by a standard 2.5 mm or 3/32 inch flat-bladed screwdriver. The terminal blocks accept wires from (0.08 to 4) mm² / (26 to 12) AWG. The recommended strip length is 8 mm (0.3 inch). Do not tin (solder) the wires that terminate at the terminal blocks. The spring-loaded terminal blocks are designed to flatten stranded wire, and if those strands are tinned together, the connection loses surface area and is degraded.
Actuator Driver Output
Connect shielded twisted-pair cable from actuator to ACT DRIVER+(1) and ACT DRIVER–(2). Connect the cable shield to SHIELD(3) but do not connect the shield at the actuator end. The Actuator Driver output is software configurable for ±10 mA, ±25 mA, ±50 mA, ±100 mA and ±250 mA ranges. DC Transducer Input If a (4 to 20) mA position transducer is used for feedback, connect shielded twisted-pair cable from transducer to DC XDCR IN+(4) and DC XDCR IN-(5). Connect the cable shield to SHIELD(6) but do not connect the shield at the transducer end.
Transducer Exciter/Transducer Power Output
If an ac transducer is used for feedback, this output is used as an exciter for the LVDT or RVDT. Connect a shielded twisted-pair cable from the transducer excitation winding to XDCR EXC/PWR+(7) and XDCR EXC/PWR-(8). Connect the cable shield to SHIELD(9) but do not connect the shield at the transducer end. If a dc transducer is used for feedback, this output is used to supply 18 V (dc) (120 mA max) for the transducer power. Connect a shielded twisted-pair cable from the transducer power input to XDCR EXC/PWR+(7) and XDCR EXC/PWR- (8). Connect the cable shield to SHIELD(9) but do not connect the shield at the transducer end.
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