加法/减法器信号变送器Z190（直流电流/电压 adder-subtractor）
■ 电源：9..30 (option) - 19..40 Vdc; 19..28 Vac; (50..60 Hz)
■ 输入：nr 2 channles, voltage (0..5, 1..5, 0..10, 2..10 Vdc) or current (0..20, 4..20) with active or passive connection
■ 输出：Nr 1 channel, voltage (0..5, 1..5, 0..10, 2..10 Vdc) or current (0..20, 4..20) with active or passive connection
■ 3 路电气隔离：1500 Vac
■ 尺寸(w x h x d)：17,5 x 100 x 112 mm
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